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COLO: Add a new RunState RUN_STATE_COLO
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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/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
69 #include "hw/qdev.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/cpus.h"
115 #include "sysemu/arch_init.h"
116
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "qapi-event.h"
122 #include "exec/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qmp/qerror.h"
126 #include "sysemu/iothread.h"
127
128 #define MAX_VIRTIO_CONSOLES 1
129 #define MAX_SCLP_CONSOLES 1
130
131 static const char *data_dir[16];
132 static int data_dir_idx;
133 const char *bios_name = NULL;
134 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
135 int request_opengl = -1;
136 int display_opengl;
137 const char* keyboard_layout = NULL;
138 ram_addr_t ram_size;
139 const char *mem_path = NULL;
140 int mem_prealloc = 0; /* force preallocation of physical target memory */
141 bool enable_mlock = false;
142 int nb_nics;
143 NICInfo nd_table[MAX_NICS];
144 int autostart;
145 static int rtc_utc = 1;
146 static int rtc_date_offset = -1; /* -1 means no change */
147 QEMUClockType rtc_clock;
148 int vga_interface_type = VGA_NONE;
149 static int full_screen = 0;
150 static int no_frame = 0;
151 int no_quit = 0;
152 static bool grab_on_hover;
153 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
154 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
155 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
156 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
157 int win2k_install_hack = 0;
158 int singlestep = 0;
159 int smp_cpus = 1;
160 int max_cpus = 1;
161 int smp_cores = 1;
162 int smp_threads = 1;
163 int acpi_enabled = 1;
164 int no_hpet = 0;
165 int fd_bootchk = 1;
166 static int no_reboot;
167 int no_shutdown = 0;
168 int cursor_hide = 1;
169 int graphic_rotate = 0;
170 const char *watchdog;
171 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
172 int nb_option_roms;
173 int old_param = 0;
174 const char *qemu_name;
175 int alt_grab = 0;
176 int ctrl_grab = 0;
177 unsigned int nb_prom_envs = 0;
178 const char *prom_envs[MAX_PROM_ENVS];
179 int boot_menu;
180 bool boot_strict;
181 uint8_t *boot_splash_filedata;
182 size_t boot_splash_filedata_size;
183 uint8_t qemu_extra_params_fw[2];
184
185 int icount_align_option;
186
187 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
188 * little-endian "wire format" described in the SMBIOS 2.6 specification.
189 */
190 QemuUUID qemu_uuid;
191 bool qemu_uuid_set;
192
193 static NotifierList exit_notifiers =
194 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
195
196 static NotifierList machine_init_done_notifiers =
197 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
198
199 bool xen_allowed;
200 uint32_t xen_domid;
201 enum xen_mode xen_mode = XEN_EMULATE;
202
203 static int has_defaults = 1;
204 static int default_serial = 1;
205 static int default_parallel = 1;
206 static int default_virtcon = 1;
207 static int default_sclp = 1;
208 static int default_monitor = 1;
209 static int default_floppy = 1;
210 static int default_cdrom = 1;
211 static int default_sdcard = 1;
212 static int default_vga = 1;
213 static int default_net = 1;
214
215 static struct {
216 const char *driver;
217 int *flag;
218 } default_list[] = {
219 { .driver = "isa-serial", .flag = &default_serial },
220 { .driver = "isa-parallel", .flag = &default_parallel },
221 { .driver = "isa-fdc", .flag = &default_floppy },
222 { .driver = "floppy", .flag = &default_floppy },
223 { .driver = "ide-cd", .flag = &default_cdrom },
224 { .driver = "ide-hd", .flag = &default_cdrom },
225 { .driver = "ide-drive", .flag = &default_cdrom },
226 { .driver = "scsi-cd", .flag = &default_cdrom },
227 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
228 { .driver = "virtio-serial", .flag = &default_virtcon },
229 { .driver = "VGA", .flag = &default_vga },
230 { .driver = "isa-vga", .flag = &default_vga },
231 { .driver = "cirrus-vga", .flag = &default_vga },
232 { .driver = "isa-cirrus-vga", .flag = &default_vga },
233 { .driver = "vmware-svga", .flag = &default_vga },
234 { .driver = "qxl-vga", .flag = &default_vga },
235 { .driver = "virtio-vga", .flag = &default_vga },
236 };
237
238 static QemuOptsList qemu_rtc_opts = {
239 .name = "rtc",
240 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
241 .desc = {
242 {
243 .name = "base",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "clock",
247 .type = QEMU_OPT_STRING,
248 },{
249 .name = "driftfix",
250 .type = QEMU_OPT_STRING,
251 },
252 { /* end of list */ }
253 },
254 };
255
256 static QemuOptsList qemu_sandbox_opts = {
257 .name = "sandbox",
258 .implied_opt_name = "enable",
259 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
260 .desc = {
261 {
262 .name = "enable",
263 .type = QEMU_OPT_BOOL,
264 },
265 { /* end of list */ }
266 },
267 };
268
269 static QemuOptsList qemu_option_rom_opts = {
270 .name = "option-rom",
271 .implied_opt_name = "romfile",
272 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
273 .desc = {
274 {
275 .name = "bootindex",
276 .type = QEMU_OPT_NUMBER,
277 }, {
278 .name = "romfile",
279 .type = QEMU_OPT_STRING,
280 },
281 { /* end of list */ }
282 },
283 };
284
285 static QemuOptsList qemu_machine_opts = {
286 .name = "machine",
287 .implied_opt_name = "type",
288 .merge_lists = true,
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
290 .desc = {
291 /*
292 * no elements => accept any
293 * sanity checking will happen later
294 * when setting machine properties
295 */
296 { }
297 },
298 };
299
300 static QemuOptsList qemu_boot_opts = {
301 .name = "boot-opts",
302 .implied_opt_name = "order",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
305 .desc = {
306 {
307 .name = "order",
308 .type = QEMU_OPT_STRING,
309 }, {
310 .name = "once",
311 .type = QEMU_OPT_STRING,
312 }, {
313 .name = "menu",
314 .type = QEMU_OPT_BOOL,
315 }, {
316 .name = "splash",
317 .type = QEMU_OPT_STRING,
318 }, {
319 .name = "splash-time",
320 .type = QEMU_OPT_STRING,
321 }, {
322 .name = "reboot-timeout",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "strict",
326 .type = QEMU_OPT_BOOL,
327 },
328 { /*End of list */ }
329 },
330 };
331
332 static QemuOptsList qemu_add_fd_opts = {
333 .name = "add-fd",
334 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
335 .desc = {
336 {
337 .name = "fd",
338 .type = QEMU_OPT_NUMBER,
339 .help = "file descriptor of which a duplicate is added to fd set",
340 },{
341 .name = "set",
342 .type = QEMU_OPT_NUMBER,
343 .help = "ID of the fd set to add fd to",
344 },{
345 .name = "opaque",
346 .type = QEMU_OPT_STRING,
347 .help = "free-form string used to describe fd",
348 },
349 { /* end of list */ }
350 },
351 };
352
353 static QemuOptsList qemu_object_opts = {
354 .name = "object",
355 .implied_opt_name = "qom-type",
356 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
357 .desc = {
358 { }
359 },
360 };
361
362 static QemuOptsList qemu_tpmdev_opts = {
363 .name = "tpmdev",
364 .implied_opt_name = "type",
365 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
366 .desc = {
367 /* options are defined in the TPM backends */
368 { /* end of list */ }
369 },
370 };
371
372 static QemuOptsList qemu_realtime_opts = {
373 .name = "realtime",
374 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
375 .desc = {
376 {
377 .name = "mlock",
378 .type = QEMU_OPT_BOOL,
379 },
380 { /* end of list */ }
381 },
382 };
383
384 static QemuOptsList qemu_msg_opts = {
385 .name = "msg",
386 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
387 .desc = {
388 {
389 .name = "timestamp",
390 .type = QEMU_OPT_BOOL,
391 },
392 { /* end of list */ }
393 },
394 };
395
396 static QemuOptsList qemu_name_opts = {
397 .name = "name",
398 .implied_opt_name = "guest",
399 .merge_lists = true,
400 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
401 .desc = {
402 {
403 .name = "guest",
404 .type = QEMU_OPT_STRING,
405 .help = "Sets the name of the guest.\n"
406 "This name will be displayed in the SDL window caption.\n"
407 "The name will also be used for the VNC server",
408 }, {
409 .name = "process",
410 .type = QEMU_OPT_STRING,
411 .help = "Sets the name of the QEMU process, as shown in top etc",
412 }, {
413 .name = "debug-threads",
414 .type = QEMU_OPT_BOOL,
415 .help = "When enabled, name the individual threads; defaults off.\n"
416 "NOTE: The thread names are for debugging and not a\n"
417 "stable API.",
418 },
419 { /* End of list */ }
420 },
421 };
422
423 static QemuOptsList qemu_mem_opts = {
424 .name = "memory",
425 .implied_opt_name = "size",
426 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
427 .merge_lists = true,
428 .desc = {
429 {
430 .name = "size",
431 .type = QEMU_OPT_SIZE,
432 },
433 {
434 .name = "slots",
435 .type = QEMU_OPT_NUMBER,
436 },
437 {
438 .name = "maxmem",
439 .type = QEMU_OPT_SIZE,
440 },
441 { /* end of list */ }
442 },
443 };
444
445 static QemuOptsList qemu_icount_opts = {
446 .name = "icount",
447 .implied_opt_name = "shift",
448 .merge_lists = true,
449 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
450 .desc = {
451 {
452 .name = "shift",
453 .type = QEMU_OPT_STRING,
454 }, {
455 .name = "align",
456 .type = QEMU_OPT_BOOL,
457 }, {
458 .name = "sleep",
459 .type = QEMU_OPT_BOOL,
460 }, {
461 .name = "rr",
462 .type = QEMU_OPT_STRING,
463 }, {
464 .name = "rrfile",
465 .type = QEMU_OPT_STRING,
466 },
467 { /* end of list */ }
468 },
469 };
470
471 static QemuOptsList qemu_semihosting_config_opts = {
472 .name = "semihosting-config",
473 .implied_opt_name = "enable",
474 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
475 .desc = {
476 {
477 .name = "enable",
478 .type = QEMU_OPT_BOOL,
479 }, {
480 .name = "target",
481 .type = QEMU_OPT_STRING,
482 }, {
483 .name = "arg",
484 .type = QEMU_OPT_STRING,
485 },
486 { /* end of list */ }
487 },
488 };
489
490 static QemuOptsList qemu_fw_cfg_opts = {
491 .name = "fw_cfg",
492 .implied_opt_name = "name",
493 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
494 .desc = {
495 {
496 .name = "name",
497 .type = QEMU_OPT_STRING,
498 .help = "Sets the fw_cfg name of the blob to be inserted",
499 }, {
500 .name = "file",
501 .type = QEMU_OPT_STRING,
502 .help = "Sets the name of the file from which\n"
503 "the fw_cfg blob will be loaded",
504 }, {
505 .name = "string",
506 .type = QEMU_OPT_STRING,
507 .help = "Sets content of the blob to be inserted from a string",
508 },
509 { /* end of list */ }
510 },
511 };
512
513 #ifdef CONFIG_LIBISCSI
514 static QemuOptsList qemu_iscsi_opts = {
515 .name = "iscsi",
516 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
517 .desc = {
518 {
519 .name = "user",
520 .type = QEMU_OPT_STRING,
521 .help = "username for CHAP authentication to target",
522 },{
523 .name = "password",
524 .type = QEMU_OPT_STRING,
525 .help = "password for CHAP authentication to target",
526 },{
527 .name = "password-secret",
528 .type = QEMU_OPT_STRING,
529 .help = "ID of the secret providing password for CHAP "
530 "authentication to target",
531 },{
532 .name = "header-digest",
533 .type = QEMU_OPT_STRING,
534 .help = "HeaderDigest setting. "
535 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
536 },{
537 .name = "initiator-name",
538 .type = QEMU_OPT_STRING,
539 .help = "Initiator iqn name to use when connecting",
540 },{
541 .name = "timeout",
542 .type = QEMU_OPT_NUMBER,
543 .help = "Request timeout in seconds (default 0 = no timeout)",
544 },
545 { /* end of list */ }
546 },
547 };
548 #endif
549
550 /**
551 * Get machine options
552 *
553 * Returns: machine options (never null).
554 */
555 QemuOpts *qemu_get_machine_opts(void)
556 {
557 return qemu_find_opts_singleton("machine");
558 }
559
560 const char *qemu_get_vm_name(void)
561 {
562 return qemu_name;
563 }
564
565 static void res_free(void)
566 {
567 g_free(boot_splash_filedata);
568 boot_splash_filedata = NULL;
569 }
570
571 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
572 {
573 const char *driver = qemu_opt_get(opts, "driver");
574 int i;
575
576 if (!driver)
577 return 0;
578 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
579 if (strcmp(default_list[i].driver, driver) != 0)
580 continue;
581 *(default_list[i].flag) = 0;
582 }
583 return 0;
584 }
585
586 /***********************************************************/
587 /* QEMU state */
588
589 static RunState current_run_state = RUN_STATE_PRELAUNCH;
590
591 /* We use RUN_STATE__MAX but any invalid value will do */
592 static RunState vmstop_requested = RUN_STATE__MAX;
593 static QemuMutex vmstop_lock;
594
595 typedef struct {
596 RunState from;
597 RunState to;
598 } RunStateTransition;
599
600 static const RunStateTransition runstate_transitions_def[] = {
601 /* from -> to */
602 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
603 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
608 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
609 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
611 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
612 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
613 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
614 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
616 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
617 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
618
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
621 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
624 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
625 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
626
627 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
628 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
629 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
630 { RUN_STATE_PAUSED, RUN_STATE_COLO},
631
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
634 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
635
636 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
639
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
643 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
644
645 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
646 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_COLO, RUN_STATE_RUNNING },
649
650 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
651 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
652 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
653 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
654 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
655 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
656 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
657 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
658 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
659 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
660 { RUN_STATE_RUNNING, RUN_STATE_COLO},
661
662 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
663
664 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
665 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
666 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
667
668 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
669 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
670 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
671 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
672 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
673 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
674
675 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
676 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
677 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
678 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
679
680 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
682 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
683
684 { RUN_STATE__MAX, RUN_STATE__MAX },
685 };
686
687 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
688
689 bool runstate_check(RunState state)
690 {
691 return current_run_state == state;
692 }
693
694 bool runstate_store(char *str, size_t size)
695 {
696 const char *state = RunState_lookup[current_run_state];
697 size_t len = strlen(state) + 1;
698
699 if (len > size) {
700 return false;
701 }
702 memcpy(str, state, len);
703 return true;
704 }
705
706 static void runstate_init(void)
707 {
708 const RunStateTransition *p;
709
710 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
711 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
712 runstate_valid_transitions[p->from][p->to] = true;
713 }
714
715 qemu_mutex_init(&vmstop_lock);
716 }
717
718 /* This function will abort() on invalid state transitions */
719 void runstate_set(RunState new_state)
720 {
721 assert(new_state < RUN_STATE__MAX);
722
723 if (current_run_state == new_state) {
724 return;
725 }
726
727 if (!runstate_valid_transitions[current_run_state][new_state]) {
728 error_report("invalid runstate transition: '%s' -> '%s'",
729 RunState_lookup[current_run_state],
730 RunState_lookup[new_state]);
731 abort();
732 }
733 trace_runstate_set(new_state);
734 current_run_state = new_state;
735 }
736
737 int runstate_is_running(void)
738 {
739 return runstate_check(RUN_STATE_RUNNING);
740 }
741
742 bool runstate_needs_reset(void)
743 {
744 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
745 runstate_check(RUN_STATE_SHUTDOWN);
746 }
747
748 StatusInfo *qmp_query_status(Error **errp)
749 {
750 StatusInfo *info = g_malloc0(sizeof(*info));
751
752 info->running = runstate_is_running();
753 info->singlestep = singlestep;
754 info->status = current_run_state;
755
756 return info;
757 }
758
759 static bool qemu_vmstop_requested(RunState *r)
760 {
761 qemu_mutex_lock(&vmstop_lock);
762 *r = vmstop_requested;
763 vmstop_requested = RUN_STATE__MAX;
764 qemu_mutex_unlock(&vmstop_lock);
765 return *r < RUN_STATE__MAX;
766 }
767
768 void qemu_system_vmstop_request_prepare(void)
769 {
770 qemu_mutex_lock(&vmstop_lock);
771 }
772
773 void qemu_system_vmstop_request(RunState state)
774 {
775 vmstop_requested = state;
776 qemu_mutex_unlock(&vmstop_lock);
777 qemu_notify_event();
778 }
779
780 void vm_start(void)
781 {
782 RunState requested;
783
784 qemu_vmstop_requested(&requested);
785 if (runstate_is_running() && requested == RUN_STATE__MAX) {
786 return;
787 }
788
789 /* Ensure that a STOP/RESUME pair of events is emitted if a
790 * vmstop request was pending. The BLOCK_IO_ERROR event, for
791 * example, according to documentation is always followed by
792 * the STOP event.
793 */
794 if (runstate_is_running()) {
795 qapi_event_send_stop(&error_abort);
796 } else {
797 replay_enable_events();
798 cpu_enable_ticks();
799 runstate_set(RUN_STATE_RUNNING);
800 vm_state_notify(1, RUN_STATE_RUNNING);
801 resume_all_vcpus();
802 }
803
804 qapi_event_send_resume(&error_abort);
805 }
806
807
808 /***********************************************************/
809 /* real time host monotonic timer */
810
811 static time_t qemu_time(void)
812 {
813 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
814 }
815
816 /***********************************************************/
817 /* host time/date access */
818 void qemu_get_timedate(struct tm *tm, int offset)
819 {
820 time_t ti = qemu_time();
821
822 ti += offset;
823 if (rtc_date_offset == -1) {
824 if (rtc_utc)
825 gmtime_r(&ti, tm);
826 else
827 localtime_r(&ti, tm);
828 } else {
829 ti -= rtc_date_offset;
830 gmtime_r(&ti, tm);
831 }
832 }
833
834 int qemu_timedate_diff(struct tm *tm)
835 {
836 time_t seconds;
837
838 if (rtc_date_offset == -1)
839 if (rtc_utc)
840 seconds = mktimegm(tm);
841 else {
842 struct tm tmp = *tm;
843 tmp.tm_isdst = -1; /* use timezone to figure it out */
844 seconds = mktime(&tmp);
845 }
846 else
847 seconds = mktimegm(tm) + rtc_date_offset;
848
849 return seconds - qemu_time();
850 }
851
852 static void configure_rtc_date_offset(const char *startdate, int legacy)
853 {
854 time_t rtc_start_date;
855 struct tm tm;
856
857 if (!strcmp(startdate, "now") && legacy) {
858 rtc_date_offset = -1;
859 } else {
860 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
861 &tm.tm_year,
862 &tm.tm_mon,
863 &tm.tm_mday,
864 &tm.tm_hour,
865 &tm.tm_min,
866 &tm.tm_sec) == 6) {
867 /* OK */
868 } else if (sscanf(startdate, "%d-%d-%d",
869 &tm.tm_year,
870 &tm.tm_mon,
871 &tm.tm_mday) == 3) {
872 tm.tm_hour = 0;
873 tm.tm_min = 0;
874 tm.tm_sec = 0;
875 } else {
876 goto date_fail;
877 }
878 tm.tm_year -= 1900;
879 tm.tm_mon--;
880 rtc_start_date = mktimegm(&tm);
881 if (rtc_start_date == -1) {
882 date_fail:
883 error_report("invalid date format");
884 error_printf("valid formats: "
885 "'2006-06-17T16:01:21' or '2006-06-17'\n");
886 exit(1);
887 }
888 rtc_date_offset = qemu_time() - rtc_start_date;
889 }
890 }
891
892 static void configure_rtc(QemuOpts *opts)
893 {
894 const char *value;
895
896 value = qemu_opt_get(opts, "base");
897 if (value) {
898 if (!strcmp(value, "utc")) {
899 rtc_utc = 1;
900 } else if (!strcmp(value, "localtime")) {
901 Error *blocker = NULL;
902 rtc_utc = 0;
903 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
904 "-rtc base=localtime");
905 replay_add_blocker(blocker);
906 } else {
907 configure_rtc_date_offset(value, 0);
908 }
909 }
910 value = qemu_opt_get(opts, "clock");
911 if (value) {
912 if (!strcmp(value, "host")) {
913 rtc_clock = QEMU_CLOCK_HOST;
914 } else if (!strcmp(value, "rt")) {
915 rtc_clock = QEMU_CLOCK_REALTIME;
916 } else if (!strcmp(value, "vm")) {
917 rtc_clock = QEMU_CLOCK_VIRTUAL;
918 } else {
919 error_report("invalid option value '%s'", value);
920 exit(1);
921 }
922 }
923 value = qemu_opt_get(opts, "driftfix");
924 if (value) {
925 if (!strcmp(value, "slew")) {
926 static GlobalProperty slew_lost_ticks = {
927 .driver = "mc146818rtc",
928 .property = "lost_tick_policy",
929 .value = "slew",
930 };
931
932 qdev_prop_register_global(&slew_lost_ticks);
933 } else if (!strcmp(value, "none")) {
934 /* discard is default */
935 } else {
936 error_report("invalid option value '%s'", value);
937 exit(1);
938 }
939 }
940 }
941
942 /***********************************************************/
943 /* Bluetooth support */
944 static int nb_hcis;
945 static int cur_hci;
946 static struct HCIInfo *hci_table[MAX_NICS];
947
948 struct HCIInfo *qemu_next_hci(void)
949 {
950 if (cur_hci == nb_hcis)
951 return &null_hci;
952
953 return hci_table[cur_hci++];
954 }
955
956 static int bt_hci_parse(const char *str)
957 {
958 struct HCIInfo *hci;
959 bdaddr_t bdaddr;
960
961 if (nb_hcis >= MAX_NICS) {
962 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
963 return -1;
964 }
965
966 hci = hci_init(str);
967 if (!hci)
968 return -1;
969
970 bdaddr.b[0] = 0x52;
971 bdaddr.b[1] = 0x54;
972 bdaddr.b[2] = 0x00;
973 bdaddr.b[3] = 0x12;
974 bdaddr.b[4] = 0x34;
975 bdaddr.b[5] = 0x56 + nb_hcis;
976 hci->bdaddr_set(hci, bdaddr.b);
977
978 hci_table[nb_hcis++] = hci;
979
980 return 0;
981 }
982
983 static void bt_vhci_add(int vlan_id)
984 {
985 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
986
987 if (!vlan->slave)
988 error_report("warning: adding a VHCI to an empty scatternet %i",
989 vlan_id);
990
991 bt_vhci_init(bt_new_hci(vlan));
992 }
993
994 static struct bt_device_s *bt_device_add(const char *opt)
995 {
996 struct bt_scatternet_s *vlan;
997 int vlan_id = 0;
998 char *endp = strstr(opt, ",vlan=");
999 int len = (endp ? endp - opt : strlen(opt)) + 1;
1000 char devname[10];
1001
1002 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1003
1004 if (endp) {
1005 vlan_id = strtol(endp + 6, &endp, 0);
1006 if (*endp) {
1007 error_report("unrecognised bluetooth vlan Id");
1008 return 0;
1009 }
1010 }
1011
1012 vlan = qemu_find_bt_vlan(vlan_id);
1013
1014 if (!vlan->slave)
1015 error_report("warning: adding a slave device to an empty scatternet %i",
1016 vlan_id);
1017
1018 if (!strcmp(devname, "keyboard"))
1019 return bt_keyboard_init(vlan);
1020
1021 error_report("unsupported bluetooth device '%s'", devname);
1022 return 0;
1023 }
1024
1025 static int bt_parse(const char *opt)
1026 {
1027 const char *endp, *p;
1028 int vlan;
1029
1030 if (strstart(opt, "hci", &endp)) {
1031 if (!*endp || *endp == ',') {
1032 if (*endp)
1033 if (!strstart(endp, ",vlan=", 0))
1034 opt = endp + 1;
1035
1036 return bt_hci_parse(opt);
1037 }
1038 } else if (strstart(opt, "vhci", &endp)) {
1039 if (!*endp || *endp == ',') {
1040 if (*endp) {
1041 if (strstart(endp, ",vlan=", &p)) {
1042 vlan = strtol(p, (char **) &endp, 0);
1043 if (*endp) {
1044 error_report("bad scatternet '%s'", p);
1045 return 1;
1046 }
1047 } else {
1048 error_report("bad parameter '%s'", endp + 1);
1049 return 1;
1050 }
1051 } else
1052 vlan = 0;
1053
1054 bt_vhci_add(vlan);
1055 return 0;
1056 }
1057 } else if (strstart(opt, "device:", &endp))
1058 return !bt_device_add(endp);
1059
1060 error_report("bad bluetooth parameter '%s'", opt);
1061 return 1;
1062 }
1063
1064 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1065 {
1066 /* FIXME: change this to true for 1.3 */
1067 if (qemu_opt_get_bool(opts, "enable", false)) {
1068 #ifdef CONFIG_SECCOMP
1069 if (seccomp_start() < 0) {
1070 error_report("failed to install seccomp syscall filter "
1071 "in the kernel");
1072 return -1;
1073 }
1074 #else
1075 error_report("seccomp support is disabled");
1076 return -1;
1077 #endif
1078 }
1079
1080 return 0;
1081 }
1082
1083 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1084 {
1085 const char *proc_name;
1086
1087 if (qemu_opt_get(opts, "debug-threads")) {
1088 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1089 }
1090 qemu_name = qemu_opt_get(opts, "guest");
1091
1092 proc_name = qemu_opt_get(opts, "process");
1093 if (proc_name) {
1094 os_set_proc_name(proc_name);
1095 }
1096
1097 return 0;
1098 }
1099
1100 bool defaults_enabled(void)
1101 {
1102 return has_defaults;
1103 }
1104
1105 #ifndef _WIN32
1106 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1107 {
1108 int fd, dupfd, flags;
1109 int64_t fdset_id;
1110 const char *fd_opaque = NULL;
1111 AddfdInfo *fdinfo;
1112
1113 fd = qemu_opt_get_number(opts, "fd", -1);
1114 fdset_id = qemu_opt_get_number(opts, "set", -1);
1115 fd_opaque = qemu_opt_get(opts, "opaque");
1116
1117 if (fd < 0) {
1118 error_report("fd option is required and must be non-negative");
1119 return -1;
1120 }
1121
1122 if (fd <= STDERR_FILENO) {
1123 error_report("fd cannot be a standard I/O stream");
1124 return -1;
1125 }
1126
1127 /*
1128 * All fds inherited across exec() necessarily have FD_CLOEXEC
1129 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1130 */
1131 flags = fcntl(fd, F_GETFD);
1132 if (flags == -1 || (flags & FD_CLOEXEC)) {
1133 error_report("fd is not valid or already in use");
1134 return -1;
1135 }
1136
1137 if (fdset_id < 0) {
1138 error_report("set option is required and must be non-negative");
1139 return -1;
1140 }
1141
1142 #ifdef F_DUPFD_CLOEXEC
1143 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1144 #else
1145 dupfd = dup(fd);
1146 if (dupfd != -1) {
1147 qemu_set_cloexec(dupfd);
1148 }
1149 #endif
1150 if (dupfd == -1) {
1151 error_report("error duplicating fd: %s", strerror(errno));
1152 return -1;
1153 }
1154
1155 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1156 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1157 &error_abort);
1158 g_free(fdinfo);
1159
1160 return 0;
1161 }
1162
1163 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1164 {
1165 int fd;
1166
1167 fd = qemu_opt_get_number(opts, "fd", -1);
1168 close(fd);
1169
1170 return 0;
1171 }
1172 #endif
1173
1174 /***********************************************************/
1175 /* QEMU Block devices */
1176
1177 #define HD_OPTS "media=disk"
1178 #define CDROM_OPTS "media=cdrom"
1179 #define FD_OPTS ""
1180 #define PFLASH_OPTS ""
1181 #define MTD_OPTS ""
1182 #define SD_OPTS ""
1183
1184 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1185 {
1186 BlockInterfaceType *block_default_type = opaque;
1187
1188 return drive_new(opts, *block_default_type) == NULL;
1189 }
1190
1191 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1192 {
1193 if (qemu_opt_get(opts, "snapshot") == NULL) {
1194 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1195 }
1196 return 0;
1197 }
1198
1199 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1200 int index, const char *optstr)
1201 {
1202 QemuOpts *opts;
1203 DriveInfo *dinfo;
1204
1205 if (!enable || drive_get_by_index(type, index)) {
1206 return;
1207 }
1208
1209 opts = drive_add(type, index, NULL, optstr);
1210 if (snapshot) {
1211 drive_enable_snapshot(NULL, opts, NULL);
1212 }
1213
1214 dinfo = drive_new(opts, type);
1215 if (!dinfo) {
1216 exit(1);
1217 }
1218 dinfo->is_default = true;
1219
1220 }
1221
1222 static QemuOptsList qemu_smp_opts = {
1223 .name = "smp-opts",
1224 .implied_opt_name = "cpus",
1225 .merge_lists = true,
1226 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1227 .desc = {
1228 {
1229 .name = "cpus",
1230 .type = QEMU_OPT_NUMBER,
1231 }, {
1232 .name = "sockets",
1233 .type = QEMU_OPT_NUMBER,
1234 }, {
1235 .name = "cores",
1236 .type = QEMU_OPT_NUMBER,
1237 }, {
1238 .name = "threads",
1239 .type = QEMU_OPT_NUMBER,
1240 }, {
1241 .name = "maxcpus",
1242 .type = QEMU_OPT_NUMBER,
1243 },
1244 { /*End of list */ }
1245 },
1246 };
1247
1248 static void smp_parse(QemuOpts *opts)
1249 {
1250 if (opts) {
1251 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1252 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1253 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1254 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1255
1256 /* compute missing values, prefer sockets over cores over threads */
1257 if (cpus == 0 || sockets == 0) {
1258 sockets = sockets > 0 ? sockets : 1;
1259 cores = cores > 0 ? cores : 1;
1260 threads = threads > 0 ? threads : 1;
1261 if (cpus == 0) {
1262 cpus = cores * threads * sockets;
1263 }
1264 } else if (cores == 0) {
1265 threads = threads > 0 ? threads : 1;
1266 cores = cpus / (sockets * threads);
1267 cores = cores > 0 ? cores : 1;
1268 } else if (threads == 0) {
1269 threads = cpus / (cores * sockets);
1270 threads = threads > 0 ? threads : 1;
1271 } else if (sockets * cores * threads < cpus) {
1272 error_report("cpu topology: "
1273 "sockets (%u) * cores (%u) * threads (%u) < "
1274 "smp_cpus (%u)",
1275 sockets, cores, threads, cpus);
1276 exit(1);
1277 }
1278
1279 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1280
1281 if (max_cpus > MAX_CPUMASK_BITS) {
1282 error_report("unsupported number of maxcpus");
1283 exit(1);
1284 }
1285
1286 if (max_cpus < cpus) {
1287 error_report("maxcpus must be equal to or greater than smp");
1288 exit(1);
1289 }
1290
1291 if (sockets * cores * threads > max_cpus) {
1292 error_report("cpu topology: "
1293 "sockets (%u) * cores (%u) * threads (%u) > "
1294 "maxcpus (%u)",
1295 sockets, cores, threads, max_cpus);
1296 exit(1);
1297 }
1298
1299 smp_cpus = cpus;
1300 smp_cores = cores;
1301 smp_threads = threads;
1302 }
1303
1304 if (smp_cpus > 1) {
1305 Error *blocker = NULL;
1306 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1307 replay_add_blocker(blocker);
1308 }
1309 }
1310
1311 static void realtime_init(void)
1312 {
1313 if (enable_mlock) {
1314 if (os_mlock() < 0) {
1315 error_report("locking memory failed");
1316 exit(1);
1317 }
1318 }
1319 }
1320
1321
1322 static void configure_msg(QemuOpts *opts)
1323 {
1324 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1325 }
1326
1327 /***********************************************************/
1328 /* Semihosting */
1329
1330 typedef struct SemihostingConfig {
1331 bool enabled;
1332 SemihostingTarget target;
1333 const char **argv;
1334 int argc;
1335 const char *cmdline; /* concatenated argv */
1336 } SemihostingConfig;
1337
1338 static SemihostingConfig semihosting;
1339
1340 bool semihosting_enabled(void)
1341 {
1342 return semihosting.enabled;
1343 }
1344
1345 SemihostingTarget semihosting_get_target(void)
1346 {
1347 return semihosting.target;
1348 }
1349
1350 const char *semihosting_get_arg(int i)
1351 {
1352 if (i >= semihosting.argc) {
1353 return NULL;
1354 }
1355 return semihosting.argv[i];
1356 }
1357
1358 int semihosting_get_argc(void)
1359 {
1360 return semihosting.argc;
1361 }
1362
1363 const char *semihosting_get_cmdline(void)
1364 {
1365 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1366 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1367 }
1368 return semihosting.cmdline;
1369 }
1370
1371 static int add_semihosting_arg(void *opaque,
1372 const char *name, const char *val,
1373 Error **errp)
1374 {
1375 SemihostingConfig *s = opaque;
1376 if (strcmp(name, "arg") == 0) {
1377 s->argc++;
1378 /* one extra element as g_strjoinv() expects NULL-terminated array */
1379 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1380 s->argv[s->argc - 1] = val;
1381 s->argv[s->argc] = NULL;
1382 }
1383 return 0;
1384 }
1385
1386 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1387 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1388 {
1389 char *cmd_token;
1390
1391 /* argv[0] */
1392 add_semihosting_arg(&semihosting, "arg", file, NULL);
1393
1394 /* split -append and initialize argv[1..n] */
1395 cmd_token = strtok(g_strdup(cmd), " ");
1396 while (cmd_token) {
1397 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1398 cmd_token = strtok(NULL, " ");
1399 }
1400 }
1401
1402 /* Now we still need this for compatibility with XEN. */
1403 bool has_igd_gfx_passthru;
1404 static void igd_gfx_passthru(void)
1405 {
1406 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1407 }
1408
1409 /***********************************************************/
1410 /* USB devices */
1411
1412 static int usb_device_add(const char *devname)
1413 {
1414 USBDevice *dev = NULL;
1415 #ifndef CONFIG_LINUX
1416 const char *p;
1417 #endif
1418
1419 if (!machine_usb(current_machine)) {
1420 return -1;
1421 }
1422
1423 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1424 dev = usbdevice_create(devname);
1425 if (dev)
1426 goto done;
1427
1428 /* the other ones */
1429 #ifndef CONFIG_LINUX
1430 /* only the linux version is qdev-ified, usb-bsd still needs this */
1431 if (strstart(devname, "host:", &p)) {
1432 dev = usb_host_device_open(usb_bus_find(-1), p);
1433 }
1434 #endif
1435 if (!dev)
1436 return -1;
1437
1438 done:
1439 return 0;
1440 }
1441
1442 static int usb_device_del(const char *devname)
1443 {
1444 int bus_num, addr;
1445 const char *p;
1446
1447 if (strstart(devname, "host:", &p)) {
1448 return -1;
1449 }
1450
1451 if (!machine_usb(current_machine)) {
1452 return -1;
1453 }
1454
1455 p = strchr(devname, '.');
1456 if (!p)
1457 return -1;
1458 bus_num = strtoul(devname, NULL, 0);
1459 addr = strtoul(p + 1, NULL, 0);
1460
1461 return usb_device_delete_addr(bus_num, addr);
1462 }
1463
1464 static int usb_parse(const char *cmdline)
1465 {
1466 int r;
1467 r = usb_device_add(cmdline);
1468 if (r < 0) {
1469 error_report("could not add USB device '%s'", cmdline);
1470 }
1471 return r;
1472 }
1473
1474 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1475 {
1476 const char *devname = qdict_get_str(qdict, "devname");
1477 if (usb_device_add(devname) < 0) {
1478 error_report("could not add USB device '%s'", devname);
1479 }
1480 }
1481
1482 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1483 {
1484 const char *devname = qdict_get_str(qdict, "devname");
1485 if (usb_device_del(devname) < 0) {
1486 error_report("could not delete USB device '%s'", devname);
1487 }
1488 }
1489
1490 /***********************************************************/
1491 /* machine registration */
1492
1493 MachineState *current_machine;
1494
1495 static MachineClass *find_machine(const char *name)
1496 {
1497 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1498 MachineClass *mc = NULL;
1499
1500 for (el = machines; el; el = el->next) {
1501 MachineClass *temp = el->data;
1502
1503 if (!strcmp(temp->name, name)) {
1504 mc = temp;
1505 break;
1506 }
1507 if (temp->alias &&
1508 !strcmp(temp->alias, name)) {
1509 mc = temp;
1510 break;
1511 }
1512 }
1513
1514 g_slist_free(machines);
1515 return mc;
1516 }
1517
1518 MachineClass *find_default_machine(void)
1519 {
1520 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1521 MachineClass *mc = NULL;
1522
1523 for (el = machines; el; el = el->next) {
1524 MachineClass *temp = el->data;
1525
1526 if (temp->is_default) {
1527 mc = temp;
1528 break;
1529 }
1530 }
1531
1532 g_slist_free(machines);
1533 return mc;
1534 }
1535
1536 MachineInfoList *qmp_query_machines(Error **errp)
1537 {
1538 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1539 MachineInfoList *mach_list = NULL;
1540
1541 for (el = machines; el; el = el->next) {
1542 MachineClass *mc = el->data;
1543 MachineInfoList *entry;
1544 MachineInfo *info;
1545
1546 info = g_malloc0(sizeof(*info));
1547 if (mc->is_default) {
1548 info->has_is_default = true;
1549 info->is_default = true;
1550 }
1551
1552 if (mc->alias) {
1553 info->has_alias = true;
1554 info->alias = g_strdup(mc->alias);
1555 }
1556
1557 info->name = g_strdup(mc->name);
1558 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1559 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1560
1561 entry = g_malloc0(sizeof(*entry));
1562 entry->value = info;
1563 entry->next = mach_list;
1564 mach_list = entry;
1565 }
1566
1567 g_slist_free(machines);
1568 return mach_list;
1569 }
1570
1571 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1572 {
1573 ObjectProperty *prop;
1574 ObjectPropertyIterator iter;
1575
1576 if (!qemu_opt_has_help_opt(opts)) {
1577 return 0;
1578 }
1579
1580 object_property_iter_init(&iter, OBJECT(machine));
1581 while ((prop = object_property_iter_next(&iter))) {
1582 if (!prop->set) {
1583 continue;
1584 }
1585
1586 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1587 prop->name, prop->type);
1588 if (prop->description) {
1589 error_printf(" (%s)\n", prop->description);
1590 } else {
1591 error_printf("\n");
1592 }
1593 }
1594
1595 return 1;
1596 }
1597
1598 /***********************************************************/
1599 /* main execution loop */
1600
1601 struct vm_change_state_entry {
1602 VMChangeStateHandler *cb;
1603 void *opaque;
1604 QLIST_ENTRY (vm_change_state_entry) entries;
1605 };
1606
1607 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1608
1609 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1610 void *opaque)
1611 {
1612 VMChangeStateEntry *e;
1613
1614 e = g_malloc0(sizeof (*e));
1615
1616 e->cb = cb;
1617 e->opaque = opaque;
1618 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1619 return e;
1620 }
1621
1622 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1623 {
1624 QLIST_REMOVE (e, entries);
1625 g_free (e);
1626 }
1627
1628 void vm_state_notify(int running, RunState state)
1629 {
1630 VMChangeStateEntry *e, *next;
1631
1632 trace_vm_state_notify(running, state);
1633
1634 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1635 e->cb(e->opaque, running, state);
1636 }
1637 }
1638
1639 /* reset/shutdown handler */
1640
1641 typedef struct QEMUResetEntry {
1642 QTAILQ_ENTRY(QEMUResetEntry) entry;
1643 QEMUResetHandler *func;
1644 void *opaque;
1645 } QEMUResetEntry;
1646
1647 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1648 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1649 static int reset_requested;
1650 static int shutdown_requested, shutdown_signal = -1;
1651 static pid_t shutdown_pid;
1652 static int powerdown_requested;
1653 static int debug_requested;
1654 static int suspend_requested;
1655 static WakeupReason wakeup_reason;
1656 static NotifierList powerdown_notifiers =
1657 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1658 static NotifierList suspend_notifiers =
1659 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1660 static NotifierList wakeup_notifiers =
1661 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1662 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1663
1664 int qemu_shutdown_requested_get(void)
1665 {
1666 return shutdown_requested;
1667 }
1668
1669 int qemu_reset_requested_get(void)
1670 {
1671 return reset_requested;
1672 }
1673
1674 static int qemu_shutdown_requested(void)
1675 {
1676 return atomic_xchg(&shutdown_requested, 0);
1677 }
1678
1679 static void qemu_kill_report(void)
1680 {
1681 if (!qtest_driver() && shutdown_signal != -1) {
1682 if (shutdown_pid == 0) {
1683 /* This happens for eg ^C at the terminal, so it's worth
1684 * avoiding printing an odd message in that case.
1685 */
1686 error_report("terminating on signal %d", shutdown_signal);
1687 } else {
1688 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1689
1690 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1691 shutdown_signal, shutdown_pid,
1692 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1693 g_free(shutdown_cmd);
1694 }
1695 shutdown_signal = -1;
1696 }
1697 }
1698
1699 static int qemu_reset_requested(void)
1700 {
1701 int r = reset_requested;
1702 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1703 reset_requested = 0;
1704 return r;
1705 }
1706 return false;
1707 }
1708
1709 static int qemu_suspend_requested(void)
1710 {
1711 int r = suspend_requested;
1712 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1713 suspend_requested = 0;
1714 return r;
1715 }
1716 return false;
1717 }
1718
1719 static WakeupReason qemu_wakeup_requested(void)
1720 {
1721 return wakeup_reason;
1722 }
1723
1724 static int qemu_powerdown_requested(void)
1725 {
1726 int r = powerdown_requested;
1727 powerdown_requested = 0;
1728 return r;
1729 }
1730
1731 static int qemu_debug_requested(void)
1732 {
1733 int r = debug_requested;
1734 debug_requested = 0;
1735 return r;
1736 }
1737
1738 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1739 {
1740 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1741
1742 re->func = func;
1743 re->opaque = opaque;
1744 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1745 }
1746
1747 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1748 {
1749 QEMUResetEntry *re;
1750
1751 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1752 if (re->func == func && re->opaque == opaque) {
1753 QTAILQ_REMOVE(&reset_handlers, re, entry);
1754 g_free(re);
1755 return;
1756 }
1757 }
1758 }
1759
1760 void qemu_devices_reset(void)
1761 {
1762 QEMUResetEntry *re, *nre;
1763
1764 /* reset all devices */
1765 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1766 re->func(re->opaque);
1767 }
1768 }
1769
1770 void qemu_system_reset(bool report)
1771 {
1772 MachineClass *mc;
1773
1774 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1775
1776 cpu_synchronize_all_states();
1777
1778 if (mc && mc->reset) {
1779 mc->reset();
1780 } else {
1781 qemu_devices_reset();
1782 }
1783 if (report) {
1784 qapi_event_send_reset(&error_abort);
1785 }
1786 cpu_synchronize_all_post_reset();
1787 }
1788
1789 void qemu_system_guest_panicked(void)
1790 {
1791 if (current_cpu) {
1792 current_cpu->crash_occurred = true;
1793 }
1794 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1795 vm_stop(RUN_STATE_GUEST_PANICKED);
1796 }
1797
1798 void qemu_system_reset_request(void)
1799 {
1800 if (no_reboot) {
1801 shutdown_requested = 1;
1802 } else {
1803 reset_requested = 1;
1804 }
1805 cpu_stop_current();
1806 qemu_notify_event();
1807 }
1808
1809 static void qemu_system_suspend(void)
1810 {
1811 pause_all_vcpus();
1812 notifier_list_notify(&suspend_notifiers, NULL);
1813 runstate_set(RUN_STATE_SUSPENDED);
1814 qapi_event_send_suspend(&error_abort);
1815 }
1816
1817 void qemu_system_suspend_request(void)
1818 {
1819 if (runstate_check(RUN_STATE_SUSPENDED)) {
1820 return;
1821 }
1822 suspend_requested = 1;
1823 cpu_stop_current();
1824 qemu_notify_event();
1825 }
1826
1827 void qemu_register_suspend_notifier(Notifier *notifier)
1828 {
1829 notifier_list_add(&suspend_notifiers, notifier);
1830 }
1831
1832 void qemu_system_wakeup_request(WakeupReason reason)
1833 {
1834 trace_system_wakeup_request(reason);
1835
1836 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1837 return;
1838 }
1839 if (!(wakeup_reason_mask & (1 << reason))) {
1840 return;
1841 }
1842 runstate_set(RUN_STATE_RUNNING);
1843 wakeup_reason = reason;
1844 qemu_notify_event();
1845 }
1846
1847 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1848 {
1849 if (enabled) {
1850 wakeup_reason_mask |= (1 << reason);
1851 } else {
1852 wakeup_reason_mask &= ~(1 << reason);
1853 }
1854 }
1855
1856 void qemu_register_wakeup_notifier(Notifier *notifier)
1857 {
1858 notifier_list_add(&wakeup_notifiers, notifier);
1859 }
1860
1861 void qemu_system_killed(int signal, pid_t pid)
1862 {
1863 shutdown_signal = signal;
1864 shutdown_pid = pid;
1865 no_shutdown = 0;
1866
1867 /* Cannot call qemu_system_shutdown_request directly because
1868 * we are in a signal handler.
1869 */
1870 shutdown_requested = 1;
1871 qemu_notify_event();
1872 }
1873
1874 void qemu_system_shutdown_request(void)
1875 {
1876 trace_qemu_system_shutdown_request();
1877 replay_shutdown_request();
1878 shutdown_requested = 1;
1879 qemu_notify_event();
1880 }
1881
1882 static void qemu_system_powerdown(void)
1883 {
1884 qapi_event_send_powerdown(&error_abort);
1885 notifier_list_notify(&powerdown_notifiers, NULL);
1886 }
1887
1888 void qemu_system_powerdown_request(void)
1889 {
1890 trace_qemu_system_powerdown_request();
1891 powerdown_requested = 1;
1892 qemu_notify_event();
1893 }
1894
1895 void qemu_register_powerdown_notifier(Notifier *notifier)
1896 {
1897 notifier_list_add(&powerdown_notifiers, notifier);
1898 }
1899
1900 void qemu_system_debug_request(void)
1901 {
1902 debug_requested = 1;
1903 qemu_notify_event();
1904 }
1905
1906 static bool main_loop_should_exit(void)
1907 {
1908 RunState r;
1909 if (qemu_debug_requested()) {
1910 vm_stop(RUN_STATE_DEBUG);
1911 }
1912 if (qemu_suspend_requested()) {
1913 qemu_system_suspend();
1914 }
1915 if (qemu_shutdown_requested()) {
1916 qemu_kill_report();
1917 qapi_event_send_shutdown(&error_abort);
1918 if (no_shutdown) {
1919 vm_stop(RUN_STATE_SHUTDOWN);
1920 } else {
1921 return true;
1922 }
1923 }
1924 if (qemu_reset_requested()) {
1925 pause_all_vcpus();
1926 qemu_system_reset(VMRESET_REPORT);
1927 resume_all_vcpus();
1928 if (!runstate_check(RUN_STATE_RUNNING) &&
1929 !runstate_check(RUN_STATE_INMIGRATE)) {
1930 runstate_set(RUN_STATE_PRELAUNCH);
1931 }
1932 }
1933 if (qemu_wakeup_requested()) {
1934 pause_all_vcpus();
1935 qemu_system_reset(VMRESET_SILENT);
1936 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1937 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1938 resume_all_vcpus();
1939 qapi_event_send_wakeup(&error_abort);
1940 }
1941 if (qemu_powerdown_requested()) {
1942 qemu_system_powerdown();
1943 }
1944 if (qemu_vmstop_requested(&r)) {
1945 vm_stop(r);
1946 }
1947 return false;
1948 }
1949
1950 static void main_loop(void)
1951 {
1952 bool nonblocking;
1953 int last_io = 0;
1954 #ifdef CONFIG_PROFILER
1955 int64_t ti;
1956 #endif
1957 do {
1958 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1959 #ifdef CONFIG_PROFILER
1960 ti = profile_getclock();
1961 #endif
1962 last_io = main_loop_wait(nonblocking);
1963 #ifdef CONFIG_PROFILER
1964 dev_time += profile_getclock() - ti;
1965 #endif
1966 } while (!main_loop_should_exit());
1967 }
1968
1969 static void version(void)
1970 {
1971 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1972 QEMU_COPYRIGHT "\n");
1973 }
1974
1975 static void help(int exitcode)
1976 {
1977 version();
1978 printf("usage: %s [options] [disk_image]\n\n"
1979 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1980 error_get_progname());
1981
1982 #define QEMU_OPTIONS_GENERATE_HELP
1983 #include "qemu-options-wrapper.h"
1984
1985 printf("\nDuring emulation, the following keys are useful:\n"
1986 "ctrl-alt-f toggle full screen\n"
1987 "ctrl-alt-n switch to virtual console 'n'\n"
1988 "ctrl-alt toggle mouse and keyboard grab\n"
1989 "\n"
1990 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1991
1992 exit(exitcode);
1993 }
1994
1995 #define HAS_ARG 0x0001
1996
1997 typedef struct QEMUOption {
1998 const char *name;
1999 int flags;
2000 int index;
2001 uint32_t arch_mask;
2002 } QEMUOption;
2003
2004 static const QEMUOption qemu_options[] = {
2005 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2006 #define QEMU_OPTIONS_GENERATE_OPTIONS
2007 #include "qemu-options-wrapper.h"
2008 { NULL },
2009 };
2010
2011 typedef struct VGAInterfaceInfo {
2012 const char *opt_name; /* option name */
2013 const char *name; /* human-readable name */
2014 /* Class names indicating that support is available.
2015 * If no class is specified, the interface is always available */
2016 const char *class_names[2];
2017 } VGAInterfaceInfo;
2018
2019 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2020 [VGA_NONE] = {
2021 .opt_name = "none",
2022 },
2023 [VGA_STD] = {
2024 .opt_name = "std",
2025 .name = "standard VGA",
2026 .class_names = { "VGA", "isa-vga" },
2027 },
2028 [VGA_CIRRUS] = {
2029 .opt_name = "cirrus",
2030 .name = "Cirrus VGA",
2031 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2032 },
2033 [VGA_VMWARE] = {
2034 .opt_name = "vmware",
2035 .name = "VMWare SVGA",
2036 .class_names = { "vmware-svga" },
2037 },
2038 [VGA_VIRTIO] = {
2039 .opt_name = "virtio",
2040 .name = "Virtio VGA",
2041 .class_names = { "virtio-vga" },
2042 },
2043 [VGA_QXL] = {
2044 .opt_name = "qxl",
2045 .name = "QXL VGA",
2046 .class_names = { "qxl-vga" },
2047 },
2048 [VGA_TCX] = {
2049 .opt_name = "tcx",
2050 .name = "TCX framebuffer",
2051 .class_names = { "SUNW,tcx" },
2052 },
2053 [VGA_CG3] = {
2054 .opt_name = "cg3",
2055 .name = "CG3 framebuffer",
2056 .class_names = { "cgthree" },
2057 },
2058 [VGA_XENFB] = {
2059 .opt_name = "xenfb",
2060 },
2061 };
2062
2063 static bool vga_interface_available(VGAInterfaceType t)
2064 {
2065 VGAInterfaceInfo *ti = &vga_interfaces[t];
2066
2067 assert(t < VGA_TYPE_MAX);
2068 return !ti->class_names[0] ||
2069 object_class_by_name(ti->class_names[0]) ||
2070 object_class_by_name(ti->class_names[1]);
2071 }
2072
2073 static void select_vgahw(const char *p)
2074 {
2075 const char *opts;
2076 int t;
2077
2078 assert(vga_interface_type == VGA_NONE);
2079 for (t = 0; t < VGA_TYPE_MAX; t++) {
2080 VGAInterfaceInfo *ti = &vga_interfaces[t];
2081 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2082 if (!vga_interface_available(t)) {
2083 error_report("%s not available", ti->name);
2084 exit(1);
2085 }
2086 vga_interface_type = t;
2087 break;
2088 }
2089 }
2090 if (t == VGA_TYPE_MAX) {
2091 invalid_vga:
2092 error_report("unknown vga type: %s", p);
2093 exit(1);
2094 }
2095 while (*opts) {
2096 const char *nextopt;
2097
2098 if (strstart(opts, ",retrace=", &nextopt)) {
2099 opts = nextopt;
2100 if (strstart(opts, "dumb", &nextopt))
2101 vga_retrace_method = VGA_RETRACE_DUMB;
2102 else if (strstart(opts, "precise", &nextopt))
2103 vga_retrace_method = VGA_RETRACE_PRECISE;
2104 else goto invalid_vga;
2105 } else goto invalid_vga;
2106 opts = nextopt;
2107 }
2108 }
2109
2110 typedef enum DisplayType {
2111 DT_DEFAULT,
2112 DT_CURSES,
2113 DT_SDL,
2114 DT_COCOA,
2115 DT_GTK,
2116 DT_NONE,
2117 } DisplayType;
2118
2119 static DisplayType select_display(const char *p)
2120 {
2121 const char *opts;
2122 DisplayType display = DT_DEFAULT;
2123
2124 if (strstart(p, "sdl", &opts)) {
2125 #ifdef CONFIG_SDL
2126 display = DT_SDL;
2127 while (*opts) {
2128 const char *nextopt;
2129
2130 if (strstart(opts, ",frame=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 no_frame = 0;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 no_frame = 1;
2136 } else {
2137 goto invalid_sdl_args;
2138 }
2139 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2140 opts = nextopt;
2141 if (strstart(opts, "on", &nextopt)) {
2142 alt_grab = 1;
2143 } else if (strstart(opts, "off", &nextopt)) {
2144 alt_grab = 0;
2145 } else {
2146 goto invalid_sdl_args;
2147 }
2148 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2149 opts = nextopt;
2150 if (strstart(opts, "on", &nextopt)) {
2151 ctrl_grab = 1;
2152 } else if (strstart(opts, "off", &nextopt)) {
2153 ctrl_grab = 0;
2154 } else {
2155 goto invalid_sdl_args;
2156 }
2157 } else if (strstart(opts, ",window_close=", &nextopt)) {
2158 opts = nextopt;
2159 if (strstart(opts, "on", &nextopt)) {
2160 no_quit = 0;
2161 } else if (strstart(opts, "off", &nextopt)) {
2162 no_quit = 1;
2163 } else {
2164 goto invalid_sdl_args;
2165 }
2166 } else if (strstart(opts, ",gl=", &nextopt)) {
2167 opts = nextopt;
2168 if (strstart(opts, "on", &nextopt)) {
2169 request_opengl = 1;
2170 } else if (strstart(opts, "off", &nextopt)) {
2171 request_opengl = 0;
2172 } else {
2173 goto invalid_sdl_args;
2174 }
2175 } else {
2176 invalid_sdl_args:
2177 error_report("invalid SDL option string");
2178 exit(1);
2179 }
2180 opts = nextopt;
2181 }
2182 #else
2183 error_report("SDL support is disabled");
2184 exit(1);
2185 #endif
2186 } else if (strstart(p, "vnc", &opts)) {
2187 if (*opts == '=') {
2188 vnc_parse(opts + 1, &error_fatal);
2189 } else {
2190 error_report("VNC requires a display argument vnc=<display>");
2191 exit(1);
2192 }
2193 } else if (strstart(p, "curses", &opts)) {
2194 #ifdef CONFIG_CURSES
2195 display = DT_CURSES;
2196 #else
2197 error_report("curses support is disabled");
2198 exit(1);
2199 #endif
2200 } else if (strstart(p, "gtk", &opts)) {
2201 #ifdef CONFIG_GTK
2202 display = DT_GTK;
2203 while (*opts) {
2204 const char *nextopt;
2205
2206 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2207 opts = nextopt;
2208 if (strstart(opts, "on", &nextopt)) {
2209 grab_on_hover = true;
2210 } else if (strstart(opts, "off", &nextopt)) {
2211 grab_on_hover = false;
2212 } else {
2213 goto invalid_gtk_args;
2214 }
2215 } else if (strstart(opts, ",gl=", &nextopt)) {
2216 opts = nextopt;
2217 if (strstart(opts, "on", &nextopt)) {
2218 request_opengl = 1;
2219 } else if (strstart(opts, "off", &nextopt)) {
2220 request_opengl = 0;
2221 } else {
2222 goto invalid_gtk_args;
2223 }
2224 } else {
2225 invalid_gtk_args:
2226 error_report("invalid GTK option string");
2227 exit(1);
2228 }
2229 opts = nextopt;
2230 }
2231 #else
2232 error_report("GTK support is disabled");
2233 exit(1);
2234 #endif
2235 } else if (strstart(p, "none", &opts)) {
2236 display = DT_NONE;
2237 } else {
2238 error_report("unknown display type");
2239 exit(1);
2240 }
2241
2242 return display;
2243 }
2244
2245 static int balloon_parse(const char *arg)
2246 {
2247 QemuOpts *opts;
2248
2249 if (strcmp(arg, "none") == 0) {
2250 return 0;
2251 }
2252
2253 if (!strncmp(arg, "virtio", 6)) {
2254 if (arg[6] == ',') {
2255 /* have params -> parse them */
2256 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2257 false);
2258 if (!opts)
2259 return -1;
2260 } else {
2261 /* create empty opts */
2262 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2263 &error_abort);
2264 }
2265 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2266 return 0;
2267 }
2268
2269 return -1;
2270 }
2271
2272 char *qemu_find_file(int type, const char *name)
2273 {
2274 int i;
2275 const char *subdir;
2276 char *buf;
2277
2278 /* Try the name as a straight path first */
2279 if (access(name, R_OK) == 0) {
2280 trace_load_file(name, name);
2281 return g_strdup(name);
2282 }
2283
2284 switch (type) {
2285 case QEMU_FILE_TYPE_BIOS:
2286 subdir = "";
2287 break;
2288 case QEMU_FILE_TYPE_KEYMAP:
2289 subdir = "keymaps/";
2290 break;
2291 default:
2292 abort();
2293 }
2294
2295 for (i = 0; i < data_dir_idx; i++) {
2296 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2297 if (access(buf, R_OK) == 0) {
2298 trace_load_file(name, buf);
2299 return buf;
2300 }
2301 g_free(buf);
2302 }
2303 return NULL;
2304 }
2305
2306 static inline bool nonempty_str(const char *str)
2307 {
2308 return str && *str;
2309 }
2310
2311 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2312 {
2313 gchar *buf;
2314 size_t size;
2315 const char *name, *file, *str;
2316 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2317
2318 if (fw_cfg == NULL) {
2319 error_report("fw_cfg device not available");
2320 return -1;
2321 }
2322 name = qemu_opt_get(opts, "name");
2323 file = qemu_opt_get(opts, "file");
2324 str = qemu_opt_get(opts, "string");
2325
2326 /* we need name and either a file or the content string */
2327 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2328 error_report("invalid argument(s)");
2329 return -1;
2330 }
2331 if (nonempty_str(file) && nonempty_str(str)) {
2332 error_report("file and string are mutually exclusive");
2333 return -1;
2334 }
2335 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2336 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2337 return -1;
2338 }
2339 if (strncmp(name, "opt/", 4) != 0) {
2340 error_report("warning: externally provided fw_cfg item names "
2341 "should be prefixed with \"opt/\"");
2342 }
2343 if (nonempty_str(str)) {
2344 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2345 buf = g_memdup(str, size);
2346 } else {
2347 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2348 error_report("can't load %s", file);
2349 return -1;
2350 }
2351 }
2352 /* For legacy, keep user files in a specific global order. */
2353 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2354 fw_cfg_add_file(fw_cfg, name, buf, size);
2355 fw_cfg_reset_order_override(fw_cfg);
2356 return 0;
2357 }
2358
2359 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2360 {
2361 return qdev_device_help(opts);
2362 }
2363
2364 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2365 {
2366 Error *err = NULL;
2367 DeviceState *dev;
2368
2369 dev = qdev_device_add(opts, &err);
2370 if (!dev) {
2371 error_report_err(err);
2372 return -1;
2373 }
2374 object_unref(OBJECT(dev));
2375 return 0;
2376 }
2377
2378 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2379 {
2380 Error *local_err = NULL;
2381
2382 qemu_chr_new_from_opts(opts, &local_err);
2383 if (local_err) {
2384 error_report_err(local_err);
2385 return -1;
2386 }
2387 return 0;
2388 }
2389
2390 #ifdef CONFIG_VIRTFS
2391 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2392 {
2393 return qemu_fsdev_add(opts);
2394 }
2395 #endif
2396
2397 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2398 {
2399 CharDriverState *chr;
2400 const char *chardev;
2401 const char *mode;
2402 int flags;
2403
2404 mode = qemu_opt_get(opts, "mode");
2405 if (mode == NULL) {
2406 mode = "readline";
2407 }
2408 if (strcmp(mode, "readline") == 0) {
2409 flags = MONITOR_USE_READLINE;
2410 } else if (strcmp(mode, "control") == 0) {
2411 flags = MONITOR_USE_CONTROL;
2412 } else {
2413 error_report("unknown monitor mode \"%s\"", mode);
2414 exit(1);
2415 }
2416
2417 if (qemu_opt_get_bool(opts, "pretty", 0))
2418 flags |= MONITOR_USE_PRETTY;
2419
2420 if (qemu_opt_get_bool(opts, "default", 0))
2421 flags |= MONITOR_IS_DEFAULT;
2422
2423 chardev = qemu_opt_get(opts, "chardev");
2424 chr = qemu_chr_find(chardev);
2425 if (chr == NULL) {
2426 error_report("chardev \"%s\" not found", chardev);
2427 exit(1);
2428 }
2429
2430 monitor_init(chr, flags);
2431 return 0;
2432 }
2433
2434 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2435 {
2436 static int monitor_device_index = 0;
2437 QemuOpts *opts;
2438 const char *p;
2439 char label[32];
2440 int def = 0;
2441
2442 if (strstart(optarg, "chardev:", &p)) {
2443 snprintf(label, sizeof(label), "%s", p);
2444 } else {
2445 snprintf(label, sizeof(label), "compat_monitor%d",
2446 monitor_device_index);
2447 if (monitor_device_index == 0) {
2448 def = 1;
2449 }
2450 opts = qemu_chr_parse_compat(label, optarg);
2451 if (!opts) {
2452 error_report("parse error: %s", optarg);
2453 exit(1);
2454 }
2455 }
2456
2457 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2458 qemu_opt_set(opts, "mode", mode, &error_abort);
2459 qemu_opt_set(opts, "chardev", label, &error_abort);
2460 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2461 if (def)
2462 qemu_opt_set(opts, "default", "on", &error_abort);
2463 monitor_device_index++;
2464 }
2465
2466 struct device_config {
2467 enum {
2468 DEV_USB, /* -usbdevice */
2469 DEV_BT, /* -bt */
2470 DEV_SERIAL, /* -serial */
2471 DEV_PARALLEL, /* -parallel */
2472 DEV_VIRTCON, /* -virtioconsole */
2473 DEV_DEBUGCON, /* -debugcon */
2474 DEV_GDB, /* -gdb, -s */
2475 DEV_SCLP, /* s390 sclp */
2476 } type;
2477 const char *cmdline;
2478 Location loc;
2479 QTAILQ_ENTRY(device_config) next;
2480 };
2481
2482 static QTAILQ_HEAD(, device_config) device_configs =
2483 QTAILQ_HEAD_INITIALIZER(device_configs);
2484
2485 static void add_device_config(int type, const char *cmdline)
2486 {
2487 struct device_config *conf;
2488
2489 conf = g_malloc0(sizeof(*conf));
2490 conf->type = type;
2491 conf->cmdline = cmdline;
2492 loc_save(&conf->loc);
2493 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2494 }
2495
2496 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2497 {
2498 struct device_config *conf;
2499 int rc;
2500
2501 QTAILQ_FOREACH(conf, &device_configs, next) {
2502 if (conf->type != type)
2503 continue;
2504 loc_push_restore(&conf->loc);
2505 rc = func(conf->cmdline);
2506 loc_pop(&conf->loc);
2507 if (rc) {
2508 return rc;
2509 }
2510 }
2511 return 0;
2512 }
2513
2514 static int serial_parse(const char *devname)
2515 {
2516 static int index = 0;
2517 char label[32];
2518
2519 if (strcmp(devname, "none") == 0)
2520 return 0;
2521 if (index == MAX_SERIAL_PORTS) {
2522 error_report("too many serial ports");
2523 exit(1);
2524 }
2525 snprintf(label, sizeof(label), "serial%d", index);
2526 serial_hds[index] = qemu_chr_new(label, devname);
2527 if (!serial_hds[index]) {
2528 error_report("could not connect serial device"
2529 " to character backend '%s'", devname);
2530 return -1;
2531 }
2532 index++;
2533 return 0;
2534 }
2535
2536 static int parallel_parse(const char *devname)
2537 {
2538 static int index = 0;
2539 char label[32];
2540
2541 if (strcmp(devname, "none") == 0)
2542 return 0;
2543 if (index == MAX_PARALLEL_PORTS) {
2544 error_report("too many parallel ports");
2545 exit(1);
2546 }
2547 snprintf(label, sizeof(label), "parallel%d", index);
2548 parallel_hds[index] = qemu_chr_new(label, devname);
2549 if (!parallel_hds[index]) {
2550 error_report("could not connect parallel device"
2551 " to character backend '%s'", devname);
2552 return -1;
2553 }
2554 index++;
2555 return 0;
2556 }
2557
2558 static int virtcon_parse(const char *devname)
2559 {
2560 QemuOptsList *device = qemu_find_opts("device");
2561 static int index = 0;
2562 char label[32];
2563 QemuOpts *bus_opts, *dev_opts;
2564
2565 if (strcmp(devname, "none") == 0)
2566 return 0;
2567 if (index == MAX_VIRTIO_CONSOLES) {
2568 error_report("too many virtio consoles");
2569 exit(1);
2570 }
2571
2572 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2573 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2574
2575 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2576 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2577
2578 snprintf(label, sizeof(label), "virtcon%d", index);
2579 virtcon_hds[index] = qemu_chr_new(label, devname);
2580 if (!virtcon_hds[index]) {
2581 error_report("could not connect virtio console"
2582 " to character backend '%s'", devname);
2583 return -1;
2584 }
2585 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2586
2587 index++;
2588 return 0;
2589 }
2590
2591 static int sclp_parse(const char *devname)
2592 {
2593 QemuOptsList *device = qemu_find_opts("device");
2594 static int index = 0;
2595 char label[32];
2596 QemuOpts *dev_opts;
2597
2598 if (strcmp(devname, "none") == 0) {
2599 return 0;
2600 }
2601 if (index == MAX_SCLP_CONSOLES) {
2602 error_report("too many sclp consoles");
2603 exit(1);
2604 }
2605
2606 assert(arch_type == QEMU_ARCH_S390X);
2607
2608 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2609 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2610
2611 snprintf(label, sizeof(label), "sclpcon%d", index);
2612 sclp_hds[index] = qemu_chr_new(label, devname);
2613 if (!sclp_hds[index]) {
2614 error_report("could not connect sclp console"
2615 " to character backend '%s'", devname);
2616 return -1;
2617 }
2618 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2619
2620 index++;
2621 return 0;
2622 }
2623
2624 static int debugcon_parse(const char *devname)
2625 {
2626 QemuOpts *opts;
2627
2628 if (!qemu_chr_new("debugcon", devname)) {
2629 exit(1);
2630 }
2631 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2632 if (!opts) {
2633 error_report("already have a debugcon device");
2634 exit(1);
2635 }
2636 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2637 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2638 return 0;
2639 }
2640
2641 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2642 {
2643 const MachineClass *mc1 = a, *mc2 = b;
2644 int res;
2645
2646 if (mc1->family == NULL) {
2647 if (mc2->family == NULL) {
2648 /* Compare standalone machine types against each other; they sort
2649 * in increasing order.
2650 */
2651 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2652 object_class_get_name(OBJECT_CLASS(mc2)));
2653 }
2654
2655 /* Standalone machine types sort after families. */
2656 return 1;
2657 }
2658
2659 if (mc2->family == NULL) {
2660 /* Families sort before standalone machine types. */
2661 return -1;
2662 }
2663
2664 /* Families sort between each other alphabetically increasingly. */
2665 res = strcmp(mc1->family, mc2->family);
2666 if (res != 0) {
2667 return res;
2668 }
2669
2670 /* Within the same family, machine types sort in decreasing order. */
2671 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2672 object_class_get_name(OBJECT_CLASS(mc1)));
2673 }
2674
2675 static MachineClass *machine_parse(const char *name)
2676 {
2677 MachineClass *mc = NULL;
2678 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2679
2680 if (name) {
2681 mc = find_machine(name);
2682 }
2683 if (mc) {
2684 g_slist_free(machines);
2685 return mc;
2686 }
2687 if (name && !is_help_option(name)) {
2688 error_report("unsupported machine type");
2689 error_printf("Use -machine help to list supported machines\n");
2690 } else {
2691 printf("Supported machines are:\n");
2692 machines = g_slist_sort(machines, machine_class_cmp);
2693 for (el = machines; el; el = el->next) {
2694 MachineClass *mc = el->data;
2695 if (mc->alias) {
2696 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2697 }
2698 printf("%-20s %s%s\n", mc->name, mc->desc,
2699 mc->is_default ? " (default)" : "");
2700 }
2701 }
2702
2703 g_slist_free(machines);
2704 exit(!name || !is_help_option(name));
2705 }
2706
2707 void qemu_add_exit_notifier(Notifier *notify)
2708 {
2709 notifier_list_add(&exit_notifiers, notify);
2710 }
2711
2712 void qemu_remove_exit_notifier(Notifier *notify)
2713 {
2714 notifier_remove(notify);
2715 }
2716
2717 static void qemu_run_exit_notifiers(void)
2718 {
2719 notifier_list_notify(&exit_notifiers, NULL);
2720 }
2721
2722 static bool machine_init_done;
2723
2724 void qemu_add_machine_init_done_notifier(Notifier *notify)
2725 {
2726 notifier_list_add(&machine_init_done_notifiers, notify);
2727 if (machine_init_done) {
2728 notify->notify(notify, NULL);
2729 }
2730 }
2731
2732 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2733 {
2734 notifier_remove(notify);
2735 }
2736
2737 static void qemu_run_machine_init_done_notifiers(void)
2738 {
2739 notifier_list_notify(&machine_init_done_notifiers, NULL);
2740 machine_init_done = true;
2741 }
2742
2743 static const QEMUOption *lookup_opt(int argc, char **argv,
2744 const char **poptarg, int *poptind)
2745 {
2746 const QEMUOption *popt;
2747 int optind = *poptind;
2748 char *r = argv[optind];
2749 const char *optarg;
2750
2751 loc_set_cmdline(argv, optind, 1);
2752 optind++;
2753 /* Treat --foo the same as -foo. */
2754 if (r[1] == '-')
2755 r++;
2756 popt = qemu_options;
2757 for(;;) {
2758 if (!popt->name) {
2759 error_report("invalid option");
2760 exit(1);
2761 }
2762 if (!strcmp(popt->name, r + 1))
2763 break;
2764 popt++;
2765 }
2766 if (popt->flags & HAS_ARG) {
2767 if (optind >= argc) {
2768 error_report("requires an argument");
2769 exit(1);
2770 }
2771 optarg = argv[optind++];
2772 loc_set_cmdline(argv, optind - 2, 2);
2773 } else {
2774 optarg = NULL;
2775 }
2776
2777 *poptarg = optarg;
2778 *poptind = optind;
2779
2780 return popt;
2781 }
2782
2783 static MachineClass *select_machine(void)
2784 {
2785 MachineClass *machine_class = find_default_machine();
2786 const char *optarg;
2787 QemuOpts *opts;
2788 Location loc;
2789
2790 loc_push_none(&loc);
2791
2792 opts = qemu_get_machine_opts();
2793 qemu_opts_loc_restore(opts);
2794
2795 optarg = qemu_opt_get(opts, "type");
2796 if (optarg) {
2797 machine_class = machine_parse(optarg);
2798 }
2799
2800 if (!machine_class) {
2801 error_report("No machine specified, and there is no default");
2802 error_printf("Use -machine help to list supported machines\n");
2803 exit(1);
2804 }
2805
2806 loc_pop(&loc);
2807 return machine_class;
2808 }
2809
2810 static int machine_set_property(void *opaque,
2811 const char *name, const char *value,
2812 Error **errp)
2813 {
2814 Object *obj = OBJECT(opaque);
2815 Error *local_err = NULL;
2816 char *p, *qom_name;
2817
2818 if (strcmp(name, "type") == 0) {
2819 return 0;
2820 }
2821
2822 qom_name = g_strdup(name);
2823 for (p = qom_name; *p; p++) {
2824 if (*p == '_') {
2825 *p = '-';
2826 }
2827 }
2828
2829 object_property_parse(obj, value, qom_name, &local_err);
2830 g_free(qom_name);
2831
2832 if (local_err) {
2833 error_report_err(local_err);
2834 return -1;
2835 }
2836
2837 return 0;
2838 }
2839
2840
2841 /*
2842 * Initial object creation happens before all other
2843 * QEMU data types are created. The majority of objects
2844 * can be created at this point. The rng-egd object
2845 * cannot be created here, as it depends on the chardev
2846 * already existing.
2847 */
2848 static bool object_create_initial(const char *type)
2849 {
2850 if (g_str_equal(type, "rng-egd")) {
2851 return false;
2852 }
2853
2854 /*
2855 * return false for concrete netfilters since
2856 * they depend on netdevs already existing
2857 */
2858 if (g_str_equal(type, "filter-buffer") ||
2859 g_str_equal(type, "filter-dump") ||
2860 g_str_equal(type, "filter-mirror") ||
2861 g_str_equal(type, "filter-redirector") ||
2862 g_str_equal(type, "colo-compare") ||
2863 g_str_equal(type, "filter-rewriter")) {
2864 return false;
2865 }
2866
2867 /* Memory allocation by backends needs to be done
2868 * after configure_accelerator() (due to the tcg_enabled()
2869 * checks at memory_region_init_*()).
2870 *
2871 * Also, allocation of large amounts of memory may delay
2872 * chardev initialization for too long, and trigger timeouts
2873 * on software that waits for a monitor socket to be created
2874 * (e.g. libvirt).
2875 */
2876 if (g_str_has_prefix(type, "memory-backend-")) {
2877 return false;
2878 }
2879
2880 return true;
2881 }
2882
2883
2884 /*
2885 * The remainder of object creation happens after the
2886 * creation of chardev, fsdev, net clients and device data types.
2887 */
2888 static bool object_create_delayed(const char *type)
2889 {
2890 return !object_create_initial(type);
2891 }
2892
2893
2894 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2895 MachineClass *mc)
2896 {
2897 uint64_t sz;
2898 const char *mem_str;
2899 const char *maxmem_str, *slots_str;
2900 const ram_addr_t default_ram_size = mc->default_ram_size;
2901 QemuOpts *opts = qemu_find_opts_singleton("memory");
2902 Location loc;
2903
2904 loc_push_none(&loc);
2905 qemu_opts_loc_restore(opts);
2906
2907 sz = 0;
2908 mem_str = qemu_opt_get(opts, "size");
2909 if (mem_str) {
2910 if (!*mem_str) {
2911 error_report("missing 'size' option value");
2912 exit(EXIT_FAILURE);
2913 }
2914
2915 sz = qemu_opt_get_size(opts, "size", ram_size);
2916
2917 /* Fix up legacy suffix-less format */
2918 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2919 uint64_t overflow_check = sz;
2920
2921 sz <<= 20;
2922 if ((sz >> 20) != overflow_check) {
2923 error_report("too large 'size' option value");
2924 exit(EXIT_FAILURE);
2925 }
2926 }
2927 }
2928
2929 /* backward compatibility behaviour for case "-m 0" */
2930 if (sz == 0) {
2931 sz = default_ram_size;
2932 }
2933
2934 sz = QEMU_ALIGN_UP(sz, 8192);
2935 ram_size = sz;
2936 if (ram_size != sz) {
2937 error_report("ram size too large");
2938 exit(EXIT_FAILURE);
2939 }
2940
2941 /* store value for the future use */
2942 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2943 *maxram_size = ram_size;
2944
2945 maxmem_str = qemu_opt_get(opts, "maxmem");
2946 slots_str = qemu_opt_get(opts, "slots");
2947 if (maxmem_str && slots_str) {
2948 uint64_t slots;
2949
2950 sz = qemu_opt_get_size(opts, "maxmem", 0);
2951 slots = qemu_opt_get_number(opts, "slots", 0);
2952 if (sz < ram_size) {
2953 error_report("invalid value of -m option maxmem: "
2954 "maximum memory size (0x%" PRIx64 ") must be at least "
2955 "the initial memory size (0x" RAM_ADDR_FMT ")",
2956 sz, ram_size);
2957 exit(EXIT_FAILURE);
2958 } else if (sz > ram_size) {
2959 if (!slots) {
2960 error_report("invalid value of -m option: maxmem was "
2961 "specified, but no hotplug slots were specified");
2962 exit(EXIT_FAILURE);
2963 }
2964 } else if (slots) {
2965 error_report("invalid value of -m option maxmem: "
2966 "memory slots were specified but maximum memory size "
2967 "(0x%" PRIx64 ") is equal to the initial memory size "
2968 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2969 exit(EXIT_FAILURE);
2970 }
2971
2972 *maxram_size = sz;
2973 *ram_slots = slots;
2974 } else if ((!maxmem_str && slots_str) ||
2975 (maxmem_str && !slots_str)) {
2976 error_report("invalid -m option value: missing "
2977 "'%s' option", slots_str ? "maxmem" : "slots");
2978 exit(EXIT_FAILURE);
2979 }
2980
2981 loc_pop(&loc);
2982 }
2983
2984 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2985 {
2986 GlobalProperty *g;
2987
2988 g = g_malloc0(sizeof(*g));
2989 g->driver = qemu_opt_get(opts, "driver");
2990 g->property = qemu_opt_get(opts, "property");
2991 g->value = qemu_opt_get(opts, "value");
2992 g->user_provided = true;
2993 g->errp = &error_fatal;
2994 qdev_prop_register_global(g);
2995 return 0;
2996 }
2997
2998 int main(int argc, char **argv, char **envp)
2999 {
3000 int i;
3001 int snapshot, linux_boot;
3002 const char *initrd_filename;
3003 const char *kernel_filename, *kernel_cmdline;
3004 const char *boot_order = NULL;
3005 const char *boot_once = NULL;
3006 DisplayState *ds;
3007 int cyls, heads, secs, translation;
3008 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3009 QemuOptsList *olist;
3010 int optind;
3011 const char *optarg;
3012 const char *loadvm = NULL;
3013 MachineClass *machine_class;
3014 const char *cpu_model;
3015 const char *vga_model = NULL;
3016 const char *qtest_chrdev = NULL;
3017 const char *qtest_log = NULL;
3018 const char *pid_file = NULL;
3019 const char *incoming = NULL;
3020 bool defconfig = true;
3021 bool userconfig = true;
3022 bool nographic = false;
3023 DisplayType display_type = DT_DEFAULT;
3024 int display_remote = 0;
3025 const char *log_mask = NULL;
3026 const char *log_file = NULL;
3027 char *trace_file = NULL;
3028 ram_addr_t maxram_size;
3029 uint64_t ram_slots = 0;
3030 FILE *vmstate_dump_file = NULL;
3031 Error *main_loop_err = NULL;
3032 Error *err = NULL;
3033 bool list_data_dirs = false;
3034
3035 module_call_init(MODULE_INIT_TRACE);
3036
3037 qemu_init_cpu_list();
3038 qemu_init_cpu_loop();
3039 qemu_mutex_lock_iothread();
3040
3041 atexit(qemu_run_exit_notifiers);
3042 error_set_progname(argv[0]);
3043 qemu_init_exec_dir(argv[0]);
3044
3045 module_call_init(MODULE_INIT_QOM);
3046 module_call_init(MODULE_INIT_QAPI);
3047
3048 qemu_add_opts(&qemu_drive_opts);
3049 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3050 qemu_add_drive_opts(&qemu_common_drive_opts);
3051 qemu_add_drive_opts(&qemu_drive_opts);
3052 qemu_add_drive_opts(&bdrv_runtime_opts);
3053 qemu_add_opts(&qemu_chardev_opts);
3054 qemu_add_opts(&qemu_device_opts);
3055 qemu_add_opts(&qemu_netdev_opts);
3056 qemu_add_opts(&qemu_net_opts);
3057 qemu_add_opts(&qemu_rtc_opts);
3058 qemu_add_opts(&qemu_global_opts);
3059 qemu_add_opts(&qemu_mon_opts);
3060 qemu_add_opts(&qemu_trace_opts);
3061 qemu_add_opts(&qemu_option_rom_opts);
3062 qemu_add_opts(&qemu_machine_opts);
3063 qemu_add_opts(&qemu_mem_opts);
3064 qemu_add_opts(&qemu_smp_opts);
3065 qemu_add_opts(&qemu_boot_opts);
3066 qemu_add_opts(&qemu_sandbox_opts);
3067 qemu_add_opts(&qemu_add_fd_opts);
3068 qemu_add_opts(&qemu_object_opts);
3069 qemu_add_opts(&qemu_tpmdev_opts);
3070 qemu_add_opts(&qemu_realtime_opts);
3071 qemu_add_opts(&qemu_msg_opts);
3072 qemu_add_opts(&qemu_name_opts);
3073 qemu_add_opts(&qemu_numa_opts);
3074 qemu_add_opts(&qemu_icount_opts);
3075 qemu_add_opts(&qemu_semihosting_config_opts);
3076 qemu_add_opts(&qemu_fw_cfg_opts);
3077 #ifdef CONFIG_LIBISCSI
3078 qemu_add_opts(&qemu_iscsi_opts);
3079 #endif
3080 module_call_init(MODULE_INIT_OPTS);
3081
3082 runstate_init();
3083
3084 if (qcrypto_init(&err) < 0) {
3085 error_reportf_err(err, "cannot initialize crypto: ");
3086 exit(1);
3087 }
3088 rtc_clock = QEMU_CLOCK_HOST;
3089
3090 QLIST_INIT (&vm_change_state_head);
3091 os_setup_early_signal_handling();
3092
3093 cpu_model = NULL;
3094 snapshot = 0;
3095 cyls = heads = secs = 0;
3096 translation = BIOS_ATA_TRANSLATION_AUTO;
3097
3098 nb_nics = 0;
3099
3100 bdrv_init_with_whitelist();
3101
3102 autostart = 1;
3103
3104 /* first pass of option parsing */
3105 optind = 1;
3106 while (optind < argc) {
3107 if (argv[optind][0] != '-') {
3108 /* disk image */
3109 optind++;
3110 } else {
3111 const QEMUOption *popt;
3112
3113 popt = lookup_opt(argc, argv, &optarg, &optind);
3114 switch (popt->index) {
3115 case QEMU_OPTION_nodefconfig:
3116 defconfig = false;
3117 break;
3118 case QEMU_OPTION_nouserconfig:
3119 userconfig = false;
3120 break;
3121 }
3122 }
3123 }
3124
3125 if (defconfig) {
3126 int ret;
3127 ret = qemu_read_default_config_files(userconfig);
3128 if (ret < 0) {
3129 exit(1);
3130 }
3131 }
3132
3133 /* second pass of option parsing */
3134 optind = 1;
3135 for(;;) {
3136 if (optind >= argc)
3137 break;
3138 if (argv[optind][0] != '-') {
3139 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3140 } else {
3141 const QEMUOption *popt;
3142
3143 popt = lookup_opt(argc, argv, &optarg, &optind);
3144 if (!(popt->arch_mask & arch_type)) {
3145 error_report("Option not supported for this target");
3146 exit(1);
3147 }
3148 switch(popt->index) {
3149 case QEMU_OPTION_no_kvm_irqchip: {
3150 olist = qemu_find_opts("machine");
3151 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3152 break;
3153 }
3154 case QEMU_OPTION_cpu:
3155 /* hw initialization will check this */
3156 cpu_model = optarg;
3157 break;
3158 case QEMU_OPTION_hda:
3159 {
3160 char buf[256];
3161 if (cyls == 0)
3162 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3163 else
3164 snprintf(buf, sizeof(buf),
3165 "%s,cyls=%d,heads=%d,secs=%d%s",
3166 HD_OPTS , cyls, heads, secs,
3167 translation == BIOS_ATA_TRANSLATION_LBA ?
3168 ",trans=lba" :
3169 translation == BIOS_ATA_TRANSLATION_NONE ?
3170 ",trans=none" : "");
3171 drive_add(IF_DEFAULT, 0, optarg, buf);
3172 break;
3173 }
3174 case QEMU_OPTION_hdb:
3175 case QEMU_OPTION_hdc:
3176 case QEMU_OPTION_hdd:
3177 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3178 HD_OPTS);
3179 break;
3180 case QEMU_OPTION_drive:
3181 if (drive_def(optarg) == NULL) {
3182 exit(1);
3183 }
3184 break;
3185 case QEMU_OPTION_set:
3186 if (qemu_set_option(optarg) != 0)
3187 exit(1);
3188 break;
3189 case QEMU_OPTION_global:
3190 if (qemu_global_option(optarg) != 0)
3191 exit(1);
3192 break;
3193 case QEMU_OPTION_mtdblock:
3194 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3195 break;
3196 case QEMU_OPTION_sd:
3197 drive_add(IF_SD, -1, optarg, SD_OPTS);
3198 break;
3199 case QEMU_OPTION_pflash:
3200 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3201 break;
3202 case QEMU_OPTION_snapshot:
3203 snapshot = 1;
3204 break;
3205 case QEMU_OPTION_hdachs:
3206 {
3207 const char *p;
3208 p = optarg;
3209 cyls = strtol(p, (char **)&p, 0);
3210 if (cyls < 1 || cyls > 16383)
3211 goto chs_fail;
3212 if (*p != ',')
3213 goto chs_fail;
3214 p++;
3215 heads = strtol(p, (char **)&p, 0);
3216 if (heads < 1 || heads > 16)
3217 goto chs_fail;
3218 if (*p != ',')
3219 goto chs_fail;
3220 p++;
3221 secs = strtol(p, (char **)&p, 0);
3222 if (secs < 1 || secs > 63)
3223 goto chs_fail;
3224 if (*p == ',') {
3225 p++;
3226 if (!strcmp(p, "large")) {
3227 translation = BIOS_ATA_TRANSLATION_LARGE;
3228 } else if (!strcmp(p, "rechs")) {
3229 translation = BIOS_ATA_TRANSLATION_RECHS;
3230 } else if (!strcmp(p, "none")) {
3231 translation = BIOS_ATA_TRANSLATION_NONE;
3232 } else if (!strcmp(p, "lba")) {
3233 translation = BIOS_ATA_TRANSLATION_LBA;
3234 } else if (!strcmp(p, "auto")) {
3235 translation = BIOS_ATA_TRANSLATION_AUTO;
3236 } else {
3237 goto chs_fail;
3238 }
3239 } else if (*p != '\0') {
3240 chs_fail:
3241 error_report("invalid physical CHS format");
3242 exit(1);
3243 }
3244 if (hda_opts != NULL) {
3245 qemu_opt_set_number(hda_opts, "cyls", cyls,
3246 &error_abort);
3247 qemu_opt_set_number(hda_opts, "heads", heads,
3248 &error_abort);
3249 qemu_opt_set_number(hda_opts, "secs", secs,
3250 &error_abort);
3251 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3252 qemu_opt_set(hda_opts, "trans", "large",
3253 &error_abort);
3254 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3255 qemu_opt_set(hda_opts, "trans", "rechs",
3256 &error_abort);
3257 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3258 qemu_opt_set(hda_opts, "trans", "lba",
3259 &error_abort);
3260 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3261 qemu_opt_set(hda_opts, "trans", "none",
3262 &error_abort);
3263 }
3264 }
3265 }
3266 break;
3267 case QEMU_OPTION_numa:
3268 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3269 optarg, true);
3270 if (!opts) {
3271 exit(1);
3272 }
3273 break;
3274 case QEMU_OPTION_display:
3275 display_type = select_display(optarg);
3276 break;
3277 case QEMU_OPTION_nographic:
3278 olist = qemu_find_opts("machine");
3279 qemu_opts_parse_noisily(olist, "graphics=off", false);
3280 nographic = true;
3281 display_type = DT_NONE;
3282 break;
3283 case QEMU_OPTION_curses:
3284 #ifdef CONFIG_CURSES
3285 display_type = DT_CURSES;
3286 #else
3287 error_report("curses support is disabled");
3288 exit(1);
3289 #endif
3290 break;
3291 case QEMU_OPTION_portrait:
3292 graphic_rotate = 90;
3293 break;
3294 case QEMU_OPTION_rotate:
3295 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3296 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3297 graphic_rotate != 180 && graphic_rotate != 270) {
3298 error_report("only 90, 180, 270 deg rotation is available");
3299 exit(1);
3300 }
3301 break;
3302 case QEMU_OPTION_kernel:
3303 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3304 &error_abort);
3305 break;
3306 case QEMU_OPTION_initrd:
3307 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3308 &error_abort);
3309 break;
3310 case QEMU_OPTION_append:
3311 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3312 &error_abort);
3313 break;
3314 case QEMU_OPTION_dtb:
3315 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3316 &error_abort);
3317 break;
3318 case QEMU_OPTION_cdrom:
3319 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3320 break;
3321 case QEMU_OPTION_boot:
3322 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3323 optarg, true);
3324 if (!opts) {
3325 exit(1);
3326 }
3327 break;
3328 case QEMU_OPTION_fda:
3329 case QEMU_OPTION_fdb:
3330 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3331 optarg, FD_OPTS);
3332 break;
3333 case QEMU_OPTION_no_fd_bootchk:
3334 fd_bootchk = 0;
3335 break;
3336 case QEMU_OPTION_netdev:
3337 default_net = 0;
3338 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3339 exit(1);
3340 }
3341 break;
3342 case QEMU_OPTION_net:
3343 default_net = 0;
3344 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3345 exit(1);
3346 }
3347 break;
3348 #ifdef CONFIG_LIBISCSI
3349 case QEMU_OPTION_iscsi:
3350 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3351 optarg, false);
3352 if (!opts) {
3353 exit(1);
3354 }
3355 break;
3356 #endif
3357 #ifdef CONFIG_SLIRP
3358 case QEMU_OPTION_tftp:
3359 error_report("The -tftp option is deprecated. "
3360 "Please use '-netdev user,tftp=...' instead.");
3361 legacy_tftp_prefix = optarg;
3362 break;
3363 case QEMU_OPTION_bootp:
3364 error_report("The -bootp option is deprecated. "
3365 "Please use '-netdev user,bootfile=...' instead.");
3366 legacy_bootp_filename = optarg;
3367 break;
3368 case QEMU_OPTION_redir:
3369 error_report("The -redir option is deprecated. "
3370 "Please use '-netdev user,hostfwd=...' instead.");
3371 if (net_slirp_redir(optarg) < 0)
3372 exit(1);
3373 break;
3374 #endif
3375 case QEMU_OPTION_bt:
3376 add_device_config(DEV_BT, optarg);
3377 break;
3378 case QEMU_OPTION_audio_help:
3379 AUD_help ();
3380 exit (0);
3381 break;
3382 case QEMU_OPTION_soundhw:
3383 select_soundhw (optarg);
3384 break;
3385 case QEMU_OPTION_h:
3386 help(0);
3387 break;
3388 case QEMU_OPTION_version:
3389 version();
3390 exit(0);
3391 break;
3392 case QEMU_OPTION_m:
3393 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3394 optarg, true);
3395 if (!opts) {
3396 exit(EXIT_FAILURE);
3397 }
3398 break;
3399 #ifdef CONFIG_TPM
3400 case QEMU_OPTION_tpmdev:
3401 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3402 exit(1);
3403 }
3404 break;
3405 #endif
3406 case QEMU_OPTION_mempath:
3407 mem_path = optarg;
3408 break;
3409 case QEMU_OPTION_mem_prealloc:
3410 mem_prealloc = 1;
3411 break;
3412 case QEMU_OPTION_d:
3413 log_mask = optarg;
3414 break;
3415 case QEMU_OPTION_D:
3416 log_file = optarg;
3417 break;
3418 case QEMU_OPTION_DFILTER:
3419 qemu_set_dfilter_ranges(optarg, &error_fatal);
3420 break;
3421 case QEMU_OPTION_s:
3422 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3423 break;
3424 case QEMU_OPTION_gdb:
3425 add_device_config(DEV_GDB, optarg);
3426 break;
3427 case QEMU_OPTION_L:
3428 if (is_help_option(optarg)) {
3429 list_data_dirs = true;
3430 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3431 data_dir[data_dir_idx++] = optarg;
3432 }
3433 break;
3434 case QEMU_OPTION_bios:
3435 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3436 &error_abort);
3437 break;
3438 case QEMU_OPTION_singlestep:
3439 singlestep = 1;
3440 break;
3441 case QEMU_OPTION_S:
3442 autostart = 0;
3443 break;
3444 case QEMU_OPTION_k:
3445 keyboard_layout = optarg;
3446 break;
3447 case QEMU_OPTION_localtime:
3448 rtc_utc = 0;
3449 break;
3450 case QEMU_OPTION_vga:
3451 vga_model = optarg;
3452 default_vga = 0;
3453 break;
3454 case QEMU_OPTION_g:
3455 {
3456 const char *p;
3457 int w, h, depth;
3458 p = optarg;
3459 w = strtol(p, (char **)&p, 10);
3460 if (w <= 0) {
3461 graphic_error:
3462 error_report("invalid resolution or depth");
3463 exit(1);
3464 }
3465 if (*p != 'x')
3466 goto graphic_error;
3467 p++;
3468 h = strtol(p, (char **)&p, 10);
3469 if (h <= 0)
3470 goto graphic_error;
3471 if (*p == 'x') {
3472 p++;
3473 depth = strtol(p, (char **)&p, 10);
3474 if (depth != 8 && depth != 15 && depth != 16 &&
3475 depth != 24 && depth != 32)
3476 goto graphic_error;
3477 } else if (*p == '\0') {
3478 depth = graphic_depth;
3479 } else {
3480 goto graphic_error;
3481 }
3482
3483 graphic_width = w;
3484 graphic_height = h;
3485 graphic_depth = depth;
3486 }
3487 break;
3488 case QEMU_OPTION_echr:
3489 {
3490 char *r;
3491 term_escape_char = strtol(optarg, &r, 0);
3492 if (r == optarg)
3493 printf("Bad argument to echr\n");
3494 break;
3495 }
3496 case QEMU_OPTION_monitor:
3497 default_monitor = 0;
3498 if (strncmp(optarg, "none", 4)) {
3499 monitor_parse(optarg, "readline", false);
3500 }
3501 break;
3502 case QEMU_OPTION_qmp:
3503 monitor_parse(optarg, "control", false);
3504 default_monitor = 0;
3505 break;
3506 case QEMU_OPTION_qmp_pretty:
3507 monitor_parse(optarg, "control", true);
3508 default_monitor = 0;
3509 break;
3510 case QEMU_OPTION_mon:
3511 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3512 true);
3513 if (!opts) {
3514 exit(1);
3515 }
3516 default_monitor = 0;
3517 break;
3518 case QEMU_OPTION_chardev:
3519 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3520 optarg, true);
3521 if (!opts) {
3522 exit(1);
3523 }
3524 break;
3525 case QEMU_OPTION_fsdev:
3526 olist = qemu_find_opts("fsdev");
3527 if (!olist) {
3528 error_report("fsdev support is disabled");
3529 exit(1);
3530 }
3531 opts = qemu_opts_parse_noisily(olist, optarg, true);
3532 if (!opts) {
3533 exit(1);
3534 }
3535 break;
3536 case QEMU_OPTION_virtfs: {
3537 QemuOpts *fsdev;
3538 QemuOpts *device;
3539 const char *writeout, *sock_fd, *socket;
3540
3541 olist = qemu_find_opts("virtfs");
3542 if (!olist) {
3543 error_report("virtfs support is disabled");
3544 exit(1);
3545 }
3546 opts = qemu_opts_parse_noisily(olist, optarg, true);
3547 if (!opts) {
3548 exit(1);
3549 }
3550
3551 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3552 qemu_opt_get(opts, "mount_tag") == NULL) {
3553 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3554 exit(1);
3555 }
3556 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3557 qemu_opt_get(opts, "mount_tag"),
3558 1, NULL);
3559 if (!fsdev) {
3560 error_report("duplicate fsdev id: %s",
3561 qemu_opt_get(opts, "mount_tag"));
3562 exit(1);
3563 }
3564
3565 writeout = qemu_opt_get(opts, "writeout");
3566 if (writeout) {
3567 #ifdef CONFIG_SYNC_FILE_RANGE
3568 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3569 #else
3570 error_report("writeout=immediate not supported "
3571 "on this platform");
3572 exit(1);
3573 #endif
3574 }
3575 qemu_opt_set(fsdev, "fsdriver",
3576 qemu_opt_get(opts, "fsdriver"), &error_abort);
3577 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3578 &error_abort);
3579 qemu_opt_set(fsdev, "security_model",
3580 qemu_opt_get(opts, "security_model"),
3581 &error_abort);
3582 socket = qemu_opt_get(opts, "socket");
3583 if (socket) {
3584 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3585 }
3586 sock_fd = qemu_opt_get(opts, "sock_fd");
3587 if (sock_fd) {
3588 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3589 }
3590
3591 qemu_opt_set_bool(fsdev, "readonly",
3592 qemu_opt_get_bool(opts, "readonly", 0),
3593 &error_abort);
3594 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3595 &error_abort);
3596 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3597 qemu_opt_set(device, "fsdev",
3598 qemu_opt_get(opts, "mount_tag"), &error_abort);
3599 qemu_opt_set(device, "mount_tag",
3600 qemu_opt_get(opts, "mount_tag"), &error_abort);
3601 break;
3602 }
3603 case QEMU_OPTION_virtfs_synth: {
3604 QemuOpts *fsdev;
3605 QemuOpts *device;
3606
3607 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3608 1, NULL);
3609 if (!fsdev) {
3610 error_report("duplicate option: %s", "virtfs_synth");
3611 exit(1);
3612 }
3613 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3614
3615 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3616 &error_abort);
3617 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3618 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3619 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3620 break;
3621 }
3622 case QEMU_OPTION_serial:
3623 add_device_config(DEV_SERIAL, optarg);
3624 default_serial = 0;
3625 if (strncmp(optarg, "mon:", 4) == 0) {
3626 default_monitor = 0;
3627 }
3628 break;
3629 case QEMU_OPTION_watchdog:
3630 if (watchdog) {
3631 error_report("only one watchdog option may be given");
3632 return 1;
3633 }
3634 watchdog = optarg;
3635 break;
3636 case QEMU_OPTION_watchdog_action:
3637 if (select_watchdog_action(optarg) == -1) {
3638 error_report("unknown -watchdog-action parameter");
3639 exit(1);
3640 }
3641 break;
3642 case QEMU_OPTION_virtiocon:
3643 add_device_config(DEV_VIRTCON, optarg);
3644 default_virtcon = 0;
3645 if (strncmp(optarg, "mon:", 4) == 0) {
3646 default_monitor = 0;
3647 }
3648 break;
3649 case QEMU_OPTION_parallel:
3650 add_device_config(DEV_PARALLEL, optarg);
3651 default_parallel = 0;
3652 if (strncmp(optarg, "mon:", 4) == 0) {
3653 default_monitor = 0;
3654 }
3655 break;
3656 case QEMU_OPTION_debugcon:
3657 add_device_config(DEV_DEBUGCON, optarg);
3658 break;
3659 case QEMU_OPTION_loadvm:
3660 loadvm = optarg;
3661 break;
3662 case QEMU_OPTION_full_screen:
3663 full_screen = 1;
3664 break;
3665 case QEMU_OPTION_no_frame:
3666 no_frame = 1;
3667 break;
3668 case QEMU_OPTION_alt_grab:
3669 alt_grab = 1;
3670 break;
3671 case QEMU_OPTION_ctrl_grab:
3672 ctrl_grab = 1;
3673 break;
3674 case QEMU_OPTION_no_quit:
3675 no_quit = 1;
3676 break;
3677 case QEMU_OPTION_sdl:
3678 #ifdef CONFIG_SDL
3679 display_type = DT_SDL;
3680 break;
3681 #else
3682 error_report("SDL support is disabled");
3683 exit(1);
3684 #endif
3685 case QEMU_OPTION_pidfile:
3686 pid_file = optarg;
3687 break;
3688 case QEMU_OPTION_win2k_hack:
3689 win2k_install_hack = 1;
3690 break;
3691 case QEMU_OPTION_rtc_td_hack: {
3692 static GlobalProperty slew_lost_ticks = {
3693 .driver = "mc146818rtc",
3694 .property = "lost_tick_policy",
3695 .value = "slew",
3696 };
3697
3698 qdev_prop_register_global(&slew_lost_ticks);
3699 break;
3700 }
3701 case QEMU_OPTION_acpitable:
3702 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3703 optarg, true);
3704 if (!opts) {
3705 exit(1);
3706 }
3707 do_acpitable_option(opts);
3708 break;
3709 case QEMU_OPTION_smbios:
3710 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3711 optarg, false);
3712 if (!opts) {
3713 exit(1);
3714 }
3715 do_smbios_option(opts);
3716 break;
3717 case QEMU_OPTION_fwcfg:
3718 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3719 optarg, true);
3720 if (opts == NULL) {
3721 exit(1);
3722 }
3723 break;
3724 case QEMU_OPTION_enable_kvm:
3725 olist = qemu_find_opts("machine");
3726 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3727 break;
3728 case QEMU_OPTION_M:
3729 case QEMU_OPTION_machine:
3730 olist = qemu_find_opts("machine");
3731 opts = qemu_opts_parse_noisily(olist, optarg, true);
3732 if (!opts) {
3733 exit(1);
3734 }
3735 break;
3736 case QEMU_OPTION_no_kvm:
3737 olist = qemu_find_opts("machine");
3738 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3739 break;
3740 case QEMU_OPTION_no_kvm_pit: {
3741 error_report("warning: ignoring deprecated option");
3742 break;
3743 }
3744 case QEMU_OPTION_no_kvm_pit_reinjection: {
3745 static GlobalProperty kvm_pit_lost_tick_policy = {
3746 .driver = "kvm-pit",
3747 .property = "lost_tick_policy",
3748 .value = "discard",
3749 };
3750
3751 error_report("warning: deprecated, replaced by "
3752 "-global kvm-pit.lost_tick_policy=discard");
3753 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3754 break;
3755 }
3756 case QEMU_OPTION_usb:
3757 olist = qemu_find_opts("machine");
3758 qemu_opts_parse_noisily(olist, "usb=on", false);
3759 break;
3760 case QEMU_OPTION_usbdevice:
3761 olist = qemu_find_opts("machine");
3762 qemu_opts_parse_noisily(olist, "usb=on", false);
3763 add_device_config(DEV_USB, optarg);
3764 break;
3765 case QEMU_OPTION_device:
3766 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3767 optarg, true)) {
3768 exit(1);
3769 }
3770 break;
3771 case QEMU_OPTION_smp:
3772 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3773 optarg, true)) {
3774 exit(1);
3775 }
3776 break;
3777 case QEMU_OPTION_vnc:
3778 vnc_parse(optarg, &error_fatal);
3779 break;
3780 case QEMU_OPTION_no_acpi:
3781 acpi_enabled = 0;
3782 break;
3783 case QEMU_OPTION_no_hpet:
3784 no_hpet = 1;
3785 break;
3786 case QEMU_OPTION_balloon:
3787 if (balloon_parse(optarg) < 0) {
3788 error_report("unknown -balloon argument %s", optarg);
3789 exit(1);
3790 }
3791 break;
3792 case QEMU_OPTION_no_reboot:
3793 no_reboot = 1;
3794 break;
3795 case QEMU_OPTION_no_shutdown:
3796 no_shutdown = 1;
3797 break;
3798 case QEMU_OPTION_show_cursor:
3799 cursor_hide = 0;
3800 break;
3801 case QEMU_OPTION_uuid:
3802 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3803 error_report("failed to parse UUID string: wrong format");
3804 exit(1);
3805 }
3806 qemu_uuid_set = true;
3807 break;
3808 case QEMU_OPTION_option_rom:
3809 if (nb_option_roms >= MAX_OPTION_ROMS) {
3810 error_report("too many option ROMs");
3811 exit(1);
3812 }
3813 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3814 optarg, true);
3815 if (!opts) {
3816 exit(1);
3817 }
3818 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3819 option_rom[nb_option_roms].bootindex =
3820 qemu_opt_get_number(opts, "bootindex", -1);
3821 if (!option_rom[nb_option_roms].name) {
3822 error_report("Option ROM file is not specified");
3823 exit(1);
3824 }
3825 nb_option_roms++;
3826 break;
3827 case QEMU_OPTION_semihosting:
3828 semihosting.enabled = true;
3829 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3830 break;
3831 case QEMU_OPTION_semihosting_config:
3832 semihosting.enabled = true;
3833 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3834 optarg, false);
3835 if (opts != NULL) {
3836 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3837 true);
3838 const char *target = qemu_opt_get(opts, "target");
3839 if (target != NULL) {
3840 if (strcmp("native", target) == 0) {
3841 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3842 } else if (strcmp("gdb", target) == 0) {
3843 semihosting.target = SEMIHOSTING_TARGET_GDB;
3844 } else if (strcmp("auto", target) == 0) {
3845 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3846 } else {
3847 error_report("unsupported semihosting-config %s",
3848 optarg);
3849 exit(1);
3850 }
3851 } else {
3852 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3853 }
3854 /* Set semihosting argument count and vector */
3855 qemu_opt_foreach(opts, add_semihosting_arg,
3856 &semihosting, NULL);
3857 } else {
3858 error_report("unsupported semihosting-config %s", optarg);
3859 exit(1);
3860 }
3861 break;
3862 case QEMU_OPTION_tdf:
3863 error_report("warning: ignoring deprecated option");
3864 break;
3865 case QEMU_OPTION_name:
3866 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3867 optarg, true);
3868 if (!opts) {
3869 exit(1);
3870 }
3871 break;
3872 case QEMU_OPTION_prom_env:
3873 if (nb_prom_envs >= MAX_PROM_ENVS) {
3874 error_report("too many prom variables");
3875 exit(1);
3876 }
3877 prom_envs[nb_prom_envs] = optarg;
3878 nb_prom_envs++;
3879 break;
3880 case QEMU_OPTION_old_param:
3881 old_param = 1;
3882 break;
3883 case QEMU_OPTION_clock:
3884 /* Clock options no longer exist. Keep this option for
3885 * backward compatibility.
3886 */
3887 break;
3888 case QEMU_OPTION_startdate:
3889 configure_rtc_date_offset(optarg, 1);
3890 break;
3891 case QEMU_OPTION_rtc:
3892 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3893 false);
3894 if (!opts) {
3895 exit(1);
3896 }
3897 configure_rtc(opts);
3898 break;
3899 case QEMU_OPTION_tb_size:
3900 tcg_tb_size = strtol(optarg, NULL, 0);
3901 if (tcg_tb_size < 0) {
3902 tcg_tb_size = 0;
3903 }
3904 break;
3905 case QEMU_OPTION_icount:
3906 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3907 optarg, true);
3908 if (!icount_opts) {
3909 exit(1);
3910 }
3911 break;
3912 case QEMU_OPTION_incoming:
3913 if (!incoming) {
3914 runstate_set(RUN_STATE_INMIGRATE);
3915 }
3916 incoming = optarg;
3917 break;
3918 case QEMU_OPTION_nodefaults:
3919 has_defaults = 0;
3920 break;
3921 case QEMU_OPTION_xen_domid:
3922 if (!(xen_available())) {
3923 error_report("Option not supported for this target");
3924 exit(1);
3925 }
3926 xen_domid = atoi(optarg);
3927 break;
3928 case QEMU_OPTION_xen_create:
3929 if (!(xen_available())) {
3930 error_report("Option not supported for this target");
3931 exit(1);
3932 }
3933 xen_mode = XEN_CREATE;
3934 break;
3935 case QEMU_OPTION_xen_attach:
3936 if (!(xen_available())) {
3937 error_report("Option not supported for this target");
3938 exit(1);
3939 }
3940 xen_mode = XEN_ATTACH;
3941 break;
3942 case QEMU_OPTION_trace:
3943 g_free(trace_file);
3944 trace_file = trace_opt_parse(optarg);
3945 break;
3946 case QEMU_OPTION_readconfig:
3947 {
3948 int ret = qemu_read_config_file(optarg);
3949 if (ret < 0) {
3950 error_report("read config %s: %s", optarg,
3951 strerror(-ret));
3952 exit(1);
3953 }
3954 break;
3955 }
3956 case QEMU_OPTION_spice:
3957 olist = qemu_find_opts("spice");
3958 if (!olist) {
3959 error_report("spice support is disabled");
3960 exit(1);
3961 }
3962 opts = qemu_opts_parse_noisily(olist, optarg, false);
3963 if (!opts) {
3964 exit(1);
3965 }
3966 display_remote++;
3967 break;
3968 case QEMU_OPTION_writeconfig:
3969 {
3970 FILE *fp;
3971 if (strcmp(optarg, "-") == 0) {
3972 fp = stdout;
3973 } else {
3974 fp = fopen(optarg, "w");
3975 if (fp == NULL) {
3976 error_report("open %s: %s", optarg,
3977 strerror(errno));
3978 exit(1);
3979 }
3980 }
3981 qemu_config_write(fp);
3982 if (fp != stdout) {
3983 fclose(fp);
3984 }
3985 break;
3986 }
3987 case QEMU_OPTION_qtest:
3988 qtest_chrdev = optarg;
3989 break;
3990 case QEMU_OPTION_qtest_log:
3991 qtest_log = optarg;
3992 break;
3993 case QEMU_OPTION_sandbox:
3994 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3995 optarg, true);
3996 if (!opts) {
3997 exit(1);
3998 }
3999 break;
4000 case QEMU_OPTION_add_fd:
4001 #ifndef _WIN32
4002 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4003 optarg, false);
4004 if (!opts) {
4005 exit(1);
4006 }
4007 #else
4008 error_report("File descriptor passing is disabled on this "
4009 "platform");
4010 exit(1);
4011 #endif
4012 break;
4013 case QEMU_OPTION_object:
4014 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4015 optarg, true);
4016 if (!opts) {
4017 exit(1);
4018 }
4019 break;
4020 case QEMU_OPTION_realtime:
4021 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4022 optarg, false);
4023 if (!opts) {
4024 exit(1);
4025 }
4026 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4027 break;
4028 case QEMU_OPTION_msg:
4029 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4030 false);
4031 if (!opts) {
4032 exit(1);
4033 }
4034 configure_msg(opts);
4035 break;
4036 case QEMU_OPTION_dump_vmstate:
4037 if (vmstate_dump_file) {
4038 error_report("only one '-dump-vmstate' "
4039 "option may be given");
4040 exit(1);
4041 }
4042 vmstate_dump_file = fopen(optarg, "w");
4043 if (vmstate_dump_file == NULL) {
4044 error_report("open %s: %s", optarg, strerror(errno));
4045 exit(1);
4046 }
4047 break;
4048 default:
4049 os_parse_cmd_args(popt->index, optarg);
4050 }
4051 }
4052 }
4053 /*
4054 * Clear error location left behind by the loop.
4055 * Best done right after the loop. Do not insert code here!
4056 */
4057 loc_set_none();
4058
4059 replay_configure(icount_opts);
4060
4061 machine_class = select_machine();
4062
4063 set_memory_options(&ram_slots, &maxram_size, machine_class);
4064
4065 os_daemonize();
4066
4067 if (qemu_init_main_loop(&main_loop_err)) {
4068 error_report_err(main_loop_err);
4069 exit(1);
4070 }
4071
4072 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4073 parse_sandbox, NULL, NULL)) {
4074 exit(1);
4075 }
4076
4077 if (qemu_opts_foreach(qemu_find_opts("name"),
4078 parse_name, NULL, NULL)) {
4079 exit(1);
4080 }
4081
4082 #ifndef _WIN32
4083 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4084 parse_add_fd, NULL, NULL)) {
4085 exit(1);
4086 }
4087
4088 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4089 cleanup_add_fd, NULL, NULL)) {
4090 exit(1);
4091 }
4092 #endif
4093
4094 current_machine = MACHINE(object_new(object_class_get_name(
4095 OBJECT_CLASS(machine_class))));
4096 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4097 exit(0);
4098 }
4099 object_property_add_child(object_get_root(), "machine",
4100 OBJECT(current_machine), &error_abort);
4101
4102 if (machine_class->minimum_page_bits) {
4103 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4104 /* This would be a board error: specifying a minimum smaller than
4105 * a target's compile-time fixed setting.
4106 */
4107 g_assert_not_reached();
4108 }
4109 }
4110
4111 cpu_exec_init_all();
4112
4113 if (machine_class->hw_version) {
4114 qemu_set_hw_version(machine_class->hw_version);
4115 }
4116
4117 if (cpu_model && is_help_option(cpu_model)) {
4118 list_cpus(stdout, &fprintf, cpu_model);
4119 exit(0);
4120 }
4121
4122 if (!trace_init_backends()) {
4123 exit(1);
4124 }
4125 trace_init_file(trace_file);
4126
4127 /* Open the logfile at this point and set the log mask if necessary.
4128 */
4129 if (log_file) {
4130 qemu_set_log_filename(log_file, &error_fatal);
4131 }
4132
4133 if (log_mask) {
4134 int mask;
4135 mask = qemu_str_to_log_mask(log_mask);
4136 if (!mask) {
4137 qemu_print_log_usage(stdout);
4138 exit(1);
4139 }
4140 qemu_set_log(mask);
4141 } else {
4142 qemu_set_log(0);
4143 }
4144
4145 /* If no data_dir is specified then try to find it relative to the
4146 executable path. */
4147 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4148 data_dir[data_dir_idx] = os_find_datadir();
4149 if (data_dir[data_dir_idx] != NULL) {
4150 data_dir_idx++;
4151 }
4152 }
4153 /* If all else fails use the install path specified when building. */
4154 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4155 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4156 }
4157
4158 /* -L help lists the data directories and exits. */
4159 if (list_data_dirs) {
4160 for (i = 0; i < data_dir_idx; i++) {
4161 printf("%s\n", data_dir[i]);
4162 }
4163 exit(0);
4164 }
4165
4166 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4167
4168 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4169 if (max_cpus > machine_class->max_cpus) {
4170 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4171 "supported by machine '%s' (%d)", max_cpus,
4172 machine_class->name, machine_class->max_cpus);
4173 exit(1);
4174 }
4175
4176 /*
4177 * Get the default machine options from the machine if it is not already
4178 * specified either by the configuration file or by the command line.
4179 */
4180 if (machine_class->default_machine_opts) {
4181 qemu_opts_set_defaults(qemu_find_opts("machine"),
4182 machine_class->default_machine_opts, 0);
4183 }
4184
4185 qemu_opts_foreach(qemu_find_opts("device"),
4186 default_driver_check, NULL, NULL);
4187 qemu_opts_foreach(qemu_find_opts("global"),
4188 default_driver_check, NULL, NULL);
4189
4190 if (!vga_model && !default_vga) {
4191 vga_interface_type = VGA_DEVICE;
4192 }
4193 if (!has_defaults || machine_class->no_serial) {
4194 default_serial = 0;
4195 }
4196 if (!has_defaults || machine_class->no_parallel) {
4197 default_parallel = 0;
4198 }
4199 if (!has_defaults || !machine_class->use_virtcon) {
4200 default_virtcon = 0;
4201 }
4202 if (!has_defaults || !machine_class->use_sclp) {
4203 default_sclp = 0;
4204 }
4205 if (!has_defaults || machine_class->no_floppy) {
4206 default_floppy = 0;
4207 }
4208 if (!has_defaults || machine_class->no_cdrom) {
4209 default_cdrom = 0;
4210 }
4211 if (!has_defaults || machine_class->no_sdcard) {
4212 default_sdcard = 0;
4213 }
4214 if (!has_defaults) {
4215 default_monitor = 0;
4216 default_net = 0;
4217 default_vga = 0;
4218 }
4219
4220 if (is_daemonized()) {
4221 /* According to documentation and historically, -nographic redirects
4222 * serial port, parallel port and monitor to stdio, which does not work
4223 * with -daemonize. We can redirect these to null instead, but since
4224 * -nographic is legacy, let's just error out.
4225 * We disallow -nographic only if all other ports are not redirected
4226 * explicitly, to not break existing legacy setups which uses
4227 * -nographic _and_ redirects all ports explicitly - this is valid
4228 * usage, -nographic is just a no-op in this case.
4229 */
4230 if (nographic
4231 && (default_parallel || default_serial
4232 || default_monitor || default_virtcon)) {
4233 error_report("-nographic cannot be used with -daemonize");
4234 exit(1);
4235 }
4236 #ifdef CONFIG_CURSES
4237 if (display_type == DT_CURSES) {
4238 error_report("curses display cannot be used with -daemonize");
4239 exit(1);
4240 }
4241 #endif
4242 }
4243
4244 if (nographic) {
4245 if (default_parallel)
4246 add_device_config(DEV_PARALLEL, "null");
4247 if (default_serial && default_monitor) {
4248 add_device_config(DEV_SERIAL, "mon:stdio");
4249 } else if (default_virtcon && default_monitor) {
4250 add_device_config(DEV_VIRTCON, "mon:stdio");
4251 } else if (default_sclp && default_monitor) {
4252 add_device_config(DEV_SCLP, "mon:stdio");
4253 } else {
4254 if (default_serial)
4255 add_device_config(DEV_SERIAL, "stdio");
4256 if (default_virtcon)
4257 add_device_config(DEV_VIRTCON, "stdio");
4258 if (default_sclp) {
4259 add_device_config(DEV_SCLP, "stdio");
4260 }
4261 if (default_monitor)
4262 monitor_parse("stdio", "readline", false);
4263 }
4264 } else {
4265 if (default_serial)
4266 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4267 if (default_parallel)
4268 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4269 if (default_monitor)
4270 monitor_parse("vc:80Cx24C", "readline", false);
4271 if (default_virtcon)
4272 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4273 if (default_sclp) {
4274 add_device_config(DEV_SCLP, "vc:80Cx24C");
4275 }
4276 }
4277
4278 #if defined(CONFIG_VNC)
4279 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4280 display_remote++;
4281 }
4282 #endif
4283 if (display_type == DT_DEFAULT && !display_remote) {
4284 #if defined(CONFIG_GTK)
4285 display_type = DT_GTK;
4286 #elif defined(CONFIG_SDL)
4287 display_type = DT_SDL;
4288 #elif defined(CONFIG_COCOA)
4289 display_type = DT_COCOA;
4290 #elif defined(CONFIG_VNC)
4291 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4292 #else
4293 display_type = DT_NONE;
4294 #endif
4295 }
4296
4297 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4298 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4299 "for SDL, ignoring option");
4300 }
4301 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4302 error_report("-no-quit is only valid for GTK and SDL, "
4303 "ignoring option");
4304 }
4305
4306 if (display_type == DT_GTK) {
4307 early_gtk_display_init(request_opengl);
4308 }
4309
4310 if (display_type == DT_SDL) {
4311 sdl_display_early_init(request_opengl);
4312 }
4313
4314 if (request_opengl == 1 && display_opengl == 0) {
4315 #if defined(CONFIG_OPENGL)
4316 error_report("OpenGL is not supported by the display");
4317 #else
4318 error_report("OpenGL support is disabled");
4319 #endif
4320 exit(1);
4321 }
4322
4323 page_size_init();
4324 socket_init();
4325
4326 if (qemu_opts_foreach(qemu_find_opts("object"),
4327 user_creatable_add_opts_foreach,
4328 object_create_initial, NULL)) {
4329 exit(1);
4330 }
4331
4332 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4333 chardev_init_func, NULL, NULL)) {
4334 exit(1);
4335 }
4336
4337 #ifdef CONFIG_VIRTFS
4338 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4339 fsdev_init_func, NULL, NULL)) {
4340 exit(1);
4341 }
4342 #endif
4343
4344 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4345 error_report("could not acquire pid file: %s", strerror(errno));
4346 exit(1);
4347 }
4348
4349 if (qemu_opts_foreach(qemu_find_opts("device"),
4350 device_help_func, NULL, NULL)) {
4351 exit(0);
4352 }
4353
4354 machine_opts = qemu_get_machine_opts();
4355 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4356 NULL)) {
4357 object_unref(OBJECT(current_machine));
4358 exit(1);
4359 }
4360
4361 configure_accelerator(current_machine);
4362
4363 if (qtest_chrdev) {
4364 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4365 }
4366
4367 machine_opts = qemu_get_machine_opts();
4368 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4369 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4370 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4371 bios_name = qemu_opt_get(machine_opts, "firmware");
4372
4373 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4374 if (opts) {
4375 boot_order = qemu_opt_get(opts, "order");
4376 if (boot_order) {
4377 validate_bootdevices(boot_order, &error_fatal);
4378 }
4379
4380 boot_once = qemu_opt_get(opts, "once");
4381 if (boot_once) {
4382 validate_bootdevices(boot_once, &error_fatal);
4383 }
4384
4385 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4386 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4387 }
4388
4389 if (!boot_order) {
4390 boot_order = machine_class->default_boot_order;
4391 }
4392
4393 if (!kernel_cmdline) {
4394 kernel_cmdline = "";
4395 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4396 }
4397
4398 linux_boot = (kernel_filename != NULL);
4399
4400 if (!linux_boot && *kernel_cmdline != '\0') {
4401 error_report("-append only allowed with -kernel option");
4402 exit(1);
4403 }
4404
4405 if (!linux_boot && initrd_filename != NULL) {
4406 error_report("-initrd only allowed with -kernel option");
4407 exit(1);
4408 }
4409
4410 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4411 /* fall back to the -kernel/-append */
4412 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4413 }
4414
4415 os_set_line_buffering();
4416
4417 /* spice needs the timers to be initialized by this point */
4418 qemu_spice_init();
4419
4420 cpu_ticks_init();
4421 if (icount_opts) {
4422 if (kvm_enabled() || xen_enabled()) {
4423 error_report("-icount is not allowed with kvm or xen");
4424 exit(1);
4425 }
4426 configure_icount(icount_opts, &error_abort);
4427 qemu_opts_del(icount_opts);
4428 }
4429
4430 if (default_net) {
4431 QemuOptsList *net = qemu_find_opts("net");
4432 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4433 #ifdef CONFIG_SLIRP
4434 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4435 #endif
4436 }
4437
4438 colo_info_init();
4439
4440 if (net_init_clients() < 0) {
4441 exit(1);
4442 }
4443
4444 if (qemu_opts_foreach(qemu_find_opts("object"),
4445 user_creatable_add_opts_foreach,
4446 object_create_delayed, NULL)) {
4447 exit(1);
4448 }
4449
4450 #ifdef CONFIG_TPM
4451 if (tpm_init() < 0) {
4452 exit(1);
4453 }
4454 #endif
4455
4456 /* init the bluetooth world */
4457 if (foreach_device_config(DEV_BT, bt_parse))
4458 exit(1);
4459
4460 if (!xen_enabled()) {
4461 /* On 32-bit hosts, QEMU is limited by virtual address space */
4462 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4463 error_report("at most 2047 MB RAM can be simulated");
4464 exit(1);
4465 }
4466 }
4467
4468 blk_mig_init();
4469 ram_mig_init();
4470
4471 /* If the currently selected machine wishes to override the units-per-bus
4472 * property of its default HBA interface type, do so now. */
4473 if (machine_class->units_per_default_bus) {
4474 override_max_devs(machine_class->block_default_type,
4475 machine_class->units_per_default_bus);
4476 }
4477
4478 /* open the virtual block devices */
4479 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4480 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4481 NULL, NULL);
4482 }
4483 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4484 &machine_class->block_default_type, NULL)) {
4485 exit(1);
4486 }
4487
4488 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4489 CDROM_OPTS);
4490 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4491 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4492
4493 parse_numa_opts(machine_class);
4494
4495 if (qemu_opts_foreach(qemu_find_opts("mon"),
4496 mon_init_func, NULL, NULL)) {
4497 exit(1);
4498 }
4499
4500 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4501 exit(1);
4502 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4503 exit(1);
4504 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4505 exit(1);
4506 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4507 exit(1);
4508 }
4509 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4510 exit(1);
4511
4512 /* If no default VGA is requested, the default is "none". */
4513 if (default_vga) {
4514 if (machine_class->default_display) {
4515 vga_model = machine_class->default_display;
4516 } else if (vga_interface_available(VGA_CIRRUS)) {
4517 vga_model = "cirrus";
4518 } else if (vga_interface_available(VGA_STD)) {
4519 vga_model = "std";
4520 }
4521 }
4522 if (vga_model) {
4523 select_vgahw(vga_model);
4524 }
4525
4526 if (watchdog) {
4527 i = select_watchdog(watchdog);
4528 if (i > 0)
4529 exit (i == 1 ? 1 : 0);
4530 }
4531
4532 machine_register_compat_props(current_machine);
4533
4534 qemu_opts_foreach(qemu_find_opts("global"),
4535 global_init_func, NULL, NULL);
4536
4537 /* This checkpoint is required by replay to separate prior clock
4538 reading from the other reads, because timer polling functions query
4539 clock values from the log. */
4540 replay_checkpoint(CHECKPOINT_INIT);
4541 qdev_machine_init();
4542
4543 current_machine->ram_size = ram_size;
4544 current_machine->maxram_size = maxram_size;
4545 current_machine->ram_slots = ram_slots;
4546 current_machine->boot_order = boot_order;
4547 current_machine->cpu_model = cpu_model;
4548
4549 machine_class->init(current_machine);
4550
4551 realtime_init();
4552
4553 audio_init();
4554
4555 cpu_synchronize_all_post_init();
4556
4557 numa_post_machine_init();
4558
4559 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4560 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4561 exit(1);
4562 }
4563
4564 /* init USB devices */
4565 if (machine_usb(current_machine)) {
4566 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4567 exit(1);
4568 }
4569
4570 /* Check if IGD GFX passthrough. */
4571 igd_gfx_passthru();
4572
4573 /* init generic devices */
4574 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4575 if (qemu_opts_foreach(qemu_find_opts("device"),
4576 device_init_func, NULL, NULL)) {
4577 exit(1);
4578 }
4579 rom_reset_order_override();
4580
4581 /* Did we create any drives that we failed to create a device for? */
4582 drive_check_orphaned();
4583
4584 /* Don't warn about the default network setup that you get if
4585 * no command line -net or -netdev options are specified. There
4586 * are two cases that we would otherwise complain about:
4587 * (1) board doesn't support a NIC but the implicit "-net nic"
4588 * requested one
4589 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4590 * sets up a nic that isn't connected to anything.
4591 */
4592 if (!default_net) {
4593 net_check_clients();
4594 }
4595
4596
4597 if (boot_once) {
4598 qemu_boot_set(boot_once, &error_fatal);
4599 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4600 }
4601
4602 ds = init_displaystate();
4603
4604 /* init local displays */
4605 switch (display_type) {
4606 case DT_CURSES:
4607 curses_display_init(ds, full_screen);
4608 break;
4609 case DT_SDL:
4610 sdl_display_init(ds, full_screen, no_frame);
4611 break;
4612 case DT_COCOA:
4613 cocoa_display_init(ds, full_screen);
4614 break;
4615 case DT_GTK:
4616 gtk_display_init(ds, full_screen, grab_on_hover);
4617 break;
4618 default:
4619 break;
4620 }
4621
4622 /* must be after terminal init, SDL library changes signal handlers */
4623 os_setup_signal_handling();
4624
4625 /* init remote displays */
4626 #ifdef CONFIG_VNC
4627 qemu_opts_foreach(qemu_find_opts("vnc"),
4628 vnc_init_func, NULL, NULL);
4629 #endif
4630
4631 if (using_spice) {
4632 qemu_spice_display_init();
4633 }
4634
4635 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4636 exit(1);
4637 }
4638
4639 qdev_machine_creation_done();
4640
4641 /* TODO: once all bus devices are qdevified, this should be done
4642 * when bus is created by qdev.c */
4643 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4644 qemu_run_machine_init_done_notifiers();
4645
4646 if (rom_check_and_register_reset() != 0) {
4647 error_report("rom check and register reset failed");
4648 exit(1);
4649 }
4650
4651 replay_start();
4652
4653 /* This checkpoint is required by replay to separate prior clock
4654 reading from the other reads, because timer polling functions query
4655 clock values from the log. */
4656 replay_checkpoint(CHECKPOINT_RESET);
4657 qemu_system_reset(VMRESET_SILENT);
4658 register_global_state();
4659 if (loadvm) {
4660 if (load_vmstate(loadvm) < 0) {
4661 autostart = 0;
4662 }
4663 }
4664
4665 qdev_prop_check_globals();
4666 if (vmstate_dump_file) {
4667 /* dump and exit */
4668 dump_vmstate_json_to_file(vmstate_dump_file);
4669 return 0;
4670 }
4671
4672 if (incoming) {
4673 Error *local_err = NULL;
4674 qemu_start_incoming_migration(incoming, &local_err);
4675 if (local_err) {
4676 error_reportf_err(local_err, "-incoming %s: ", incoming);
4677 exit(1);
4678 }
4679 } else if (autostart) {
4680 vm_start();
4681 }
4682
4683 os_setup_post();
4684
4685 main_loop();
4686 replay_disable_events();
4687 iothread_stop_all();
4688
4689 bdrv_close_all();
4690 pause_all_vcpus();
4691 res_free();
4692
4693 /* vhost-user must be cleaned up before chardevs. */
4694 net_cleanup();
4695 audio_cleanup();
4696 monitor_cleanup();
4697 qemu_chr_cleanup();
4698
4699 return 0;
4700 }
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