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qmp-commands: move 'blockdev-snapshot' doc to schema
[qemu/kevin.git] / vl.c
blobc643d3ff3a7972f54072528dd2b6fefb9ae6c493
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/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 int request_opengl = -1;
135 int display_opengl;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 1;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 QemuUUID qemu_uuid;
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212 static int default_net = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "floppy", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_boot_opts = {
300 .name = "boot-opts",
301 .implied_opt_name = "order",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
304 .desc = {
305 {
306 .name = "order",
307 .type = QEMU_OPT_STRING,
308 }, {
309 .name = "once",
310 .type = QEMU_OPT_STRING,
311 }, {
312 .name = "menu",
313 .type = QEMU_OPT_BOOL,
314 }, {
315 .name = "splash",
316 .type = QEMU_OPT_STRING,
317 }, {
318 .name = "splash-time",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "reboot-timeout",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "strict",
325 .type = QEMU_OPT_BOOL,
326 },
327 { /*End of list */ }
328 },
329 };
330
331 static QemuOptsList qemu_add_fd_opts = {
332 .name = "add-fd",
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
334 .desc = {
335 {
336 .name = "fd",
337 .type = QEMU_OPT_NUMBER,
338 .help = "file descriptor of which a duplicate is added to fd set",
339 },{
340 .name = "set",
341 .type = QEMU_OPT_NUMBER,
342 .help = "ID of the fd set to add fd to",
343 },{
344 .name = "opaque",
345 .type = QEMU_OPT_STRING,
346 .help = "free-form string used to describe fd",
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_object_opts = {
353 .name = "object",
354 .implied_opt_name = "qom-type",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
356 .desc = {
357 { }
358 },
359 };
360
361 static QemuOptsList qemu_tpmdev_opts = {
362 .name = "tpmdev",
363 .implied_opt_name = "type",
364 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
365 .desc = {
366 /* options are defined in the TPM backends */
367 { /* end of list */ }
368 },
369 };
370
371 static QemuOptsList qemu_realtime_opts = {
372 .name = "realtime",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
374 .desc = {
375 {
376 .name = "mlock",
377 .type = QEMU_OPT_BOOL,
378 },
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_msg_opts = {
384 .name = "msg",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
386 .desc = {
387 {
388 .name = "timestamp",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_name_opts = {
396 .name = "name",
397 .implied_opt_name = "guest",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
400 .desc = {
401 {
402 .name = "guest",
403 .type = QEMU_OPT_STRING,
404 .help = "Sets the name of the guest.\n"
405 "This name will be displayed in the SDL window caption.\n"
406 "The name will also be used for the VNC server",
407 }, {
408 .name = "process",
409 .type = QEMU_OPT_STRING,
410 .help = "Sets the name of the QEMU process, as shown in top etc",
411 }, {
412 .name = "debug-threads",
413 .type = QEMU_OPT_BOOL,
414 .help = "When enabled, name the individual threads; defaults off.\n"
415 "NOTE: The thread names are for debugging and not a\n"
416 "stable API.",
417 },
418 { /* End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_mem_opts = {
423 .name = "memory",
424 .implied_opt_name = "size",
425 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
426 .merge_lists = true,
427 .desc = {
428 {
429 .name = "size",
430 .type = QEMU_OPT_SIZE,
431 },
432 {
433 .name = "slots",
434 .type = QEMU_OPT_NUMBER,
435 },
436 {
437 .name = "maxmem",
438 .type = QEMU_OPT_SIZE,
439 },
440 { /* end of list */ }
441 },
442 };
443
444 static QemuOptsList qemu_icount_opts = {
445 .name = "icount",
446 .implied_opt_name = "shift",
447 .merge_lists = true,
448 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
449 .desc = {
450 {
451 .name = "shift",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "align",
455 .type = QEMU_OPT_BOOL,
456 }, {
457 .name = "sleep",
458 .type = QEMU_OPT_BOOL,
459 }, {
460 .name = "rr",
461 .type = QEMU_OPT_STRING,
462 }, {
463 .name = "rrfile",
464 .type = QEMU_OPT_STRING,
465 },
466 { /* end of list */ }
467 },
468 };
469
470 static QemuOptsList qemu_semihosting_config_opts = {
471 .name = "semihosting-config",
472 .implied_opt_name = "enable",
473 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
474 .desc = {
475 {
476 .name = "enable",
477 .type = QEMU_OPT_BOOL,
478 }, {
479 .name = "target",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "arg",
483 .type = QEMU_OPT_STRING,
484 },
485 { /* end of list */ }
486 },
487 };
488
489 static QemuOptsList qemu_fw_cfg_opts = {
490 .name = "fw_cfg",
491 .implied_opt_name = "name",
492 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
493 .desc = {
494 {
495 .name = "name",
496 .type = QEMU_OPT_STRING,
497 .help = "Sets the fw_cfg name of the blob to be inserted",
498 }, {
499 .name = "file",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the file from which\n"
502 "the fw_cfg blob will be loaded",
503 }, {
504 .name = "string",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets content of the blob to be inserted from a string",
507 },
508 { /* end of list */ }
509 },
510 };
511
512 #ifdef CONFIG_LIBISCSI
513 static QemuOptsList qemu_iscsi_opts = {
514 .name = "iscsi",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
516 .desc = {
517 {
518 .name = "user",
519 .type = QEMU_OPT_STRING,
520 .help = "username for CHAP authentication to target",
521 },{
522 .name = "password",
523 .type = QEMU_OPT_STRING,
524 .help = "password for CHAP authentication to target",
525 },{
526 .name = "password-secret",
527 .type = QEMU_OPT_STRING,
528 .help = "ID of the secret providing password for CHAP "
529 "authentication to target",
530 },{
531 .name = "header-digest",
532 .type = QEMU_OPT_STRING,
533 .help = "HeaderDigest setting. "
534 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
535 },{
536 .name = "initiator-name",
537 .type = QEMU_OPT_STRING,
538 .help = "Initiator iqn name to use when connecting",
539 },{
540 .name = "timeout",
541 .type = QEMU_OPT_NUMBER,
542 .help = "Request timeout in seconds (default 0 = no timeout)",
543 },
544 { /* end of list */ }
545 },
546 };
547 #endif
548
549 /**
550 * Get machine options
551 *
552 * Returns: machine options (never null).
553 */
554 QemuOpts *qemu_get_machine_opts(void)
555 {
556 return qemu_find_opts_singleton("machine");
557 }
558
559 const char *qemu_get_vm_name(void)
560 {
561 return qemu_name;
562 }
563
564 static void res_free(void)
565 {
566 g_free(boot_splash_filedata);
567 boot_splash_filedata = NULL;
568 }
569
570 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
571 {
572 const char *driver = qemu_opt_get(opts, "driver");
573 int i;
574
575 if (!driver)
576 return 0;
577 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
578 if (strcmp(default_list[i].driver, driver) != 0)
579 continue;
580 *(default_list[i].flag) = 0;
581 }
582 return 0;
583 }
584
585 /***********************************************************/
586 /* QEMU state */
587
588 static RunState current_run_state = RUN_STATE_PRELAUNCH;
589
590 /* We use RUN_STATE__MAX but any invalid value will do */
591 static RunState vmstop_requested = RUN_STATE__MAX;
592 static QemuMutex vmstop_lock;
593
594 typedef struct {
595 RunState from;
596 RunState to;
597 } RunStateTransition;
598
599 static const RunStateTransition runstate_transitions_def[] = {
600 /* from -> to */
601 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
602 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
612 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
615 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
616 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
623 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
627 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
629 { RUN_STATE_PAUSED, RUN_STATE_COLO},
630
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
638
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
643
644 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
645 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_COLO, RUN_STATE_RUNNING },
648
649 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
650 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
651 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
652 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
653 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
655 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
656 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
657 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
658 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
659 { RUN_STATE_RUNNING, RUN_STATE_COLO},
660
661 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
662
663 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
664 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
666
667 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
668 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
669 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
670 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
672 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
673
674 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
675 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
677 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
678
679 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
680 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
682
683 { RUN_STATE__MAX, RUN_STATE__MAX },
684 };
685
686 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
687
688 bool runstate_check(RunState state)
689 {
690 return current_run_state == state;
691 }
692
693 bool runstate_store(char *str, size_t size)
694 {
695 const char *state = RunState_lookup[current_run_state];
696 size_t len = strlen(state) + 1;
697
698 if (len > size) {
699 return false;
700 }
701 memcpy(str, state, len);
702 return true;
703 }
704
705 static void runstate_init(void)
706 {
707 const RunStateTransition *p;
708
709 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
710 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
711 runstate_valid_transitions[p->from][p->to] = true;
712 }
713
714 qemu_mutex_init(&vmstop_lock);
715 }
716
717 /* This function will abort() on invalid state transitions */
718 void runstate_set(RunState new_state)
719 {
720 assert(new_state < RUN_STATE__MAX);
721
722 if (current_run_state == new_state) {
723 return;
724 }
725
726 if (!runstate_valid_transitions[current_run_state][new_state]) {
727 error_report("invalid runstate transition: '%s' -> '%s'",
728 RunState_lookup[current_run_state],
729 RunState_lookup[new_state]);
730 abort();
731 }
732 trace_runstate_set(new_state);
733 current_run_state = new_state;
734 }
735
736 int runstate_is_running(void)
737 {
738 return runstate_check(RUN_STATE_RUNNING);
739 }
740
741 bool runstate_needs_reset(void)
742 {
743 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
744 runstate_check(RUN_STATE_SHUTDOWN);
745 }
746
747 StatusInfo *qmp_query_status(Error **errp)
748 {
749 StatusInfo *info = g_malloc0(sizeof(*info));
750
751 info->running = runstate_is_running();
752 info->singlestep = singlestep;
753 info->status = current_run_state;
754
755 return info;
756 }
757
758 static bool qemu_vmstop_requested(RunState *r)
759 {
760 qemu_mutex_lock(&vmstop_lock);
761 *r = vmstop_requested;
762 vmstop_requested = RUN_STATE__MAX;
763 qemu_mutex_unlock(&vmstop_lock);
764 return *r < RUN_STATE__MAX;
765 }
766
767 void qemu_system_vmstop_request_prepare(void)
768 {
769 qemu_mutex_lock(&vmstop_lock);
770 }
771
772 void qemu_system_vmstop_request(RunState state)
773 {
774 vmstop_requested = state;
775 qemu_mutex_unlock(&vmstop_lock);
776 qemu_notify_event();
777 }
778
779 void vm_start(void)
780 {
781 RunState requested;
782
783 qemu_vmstop_requested(&requested);
784 if (runstate_is_running() && requested == RUN_STATE__MAX) {
785 return;
786 }
787
788 /* Ensure that a STOP/RESUME pair of events is emitted if a
789 * vmstop request was pending. The BLOCK_IO_ERROR event, for
790 * example, according to documentation is always followed by
791 * the STOP event.
792 */
793 if (runstate_is_running()) {
794 qapi_event_send_stop(&error_abort);
795 } else {
796 replay_enable_events();
797 cpu_enable_ticks();
798 runstate_set(RUN_STATE_RUNNING);
799 vm_state_notify(1, RUN_STATE_RUNNING);
800 resume_all_vcpus();
801 }
802
803 qapi_event_send_resume(&error_abort);
804 }
805
806
807 /***********************************************************/
808 /* real time host monotonic timer */
809
810 static time_t qemu_time(void)
811 {
812 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
813 }
814
815 /***********************************************************/
816 /* host time/date access */
817 void qemu_get_timedate(struct tm *tm, int offset)
818 {
819 time_t ti = qemu_time();
820
821 ti += offset;
822 if (rtc_date_offset == -1) {
823 if (rtc_utc)
824 gmtime_r(&ti, tm);
825 else
826 localtime_r(&ti, tm);
827 } else {
828 ti -= rtc_date_offset;
829 gmtime_r(&ti, tm);
830 }
831 }
832
833 int qemu_timedate_diff(struct tm *tm)
834 {
835 time_t seconds;
836
837 if (rtc_date_offset == -1)
838 if (rtc_utc)
839 seconds = mktimegm(tm);
840 else {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 }
845 else
846 seconds = mktimegm(tm) + rtc_date_offset;
847
848 return seconds - qemu_time();
849 }
850
851 static void configure_rtc_date_offset(const char *startdate, int legacy)
852 {
853 time_t rtc_start_date;
854 struct tm tm;
855
856 if (!strcmp(startdate, "now") && legacy) {
857 rtc_date_offset = -1;
858 } else {
859 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
860 &tm.tm_year,
861 &tm.tm_mon,
862 &tm.tm_mday,
863 &tm.tm_hour,
864 &tm.tm_min,
865 &tm.tm_sec) == 6) {
866 /* OK */
867 } else if (sscanf(startdate, "%d-%d-%d",
868 &tm.tm_year,
869 &tm.tm_mon,
870 &tm.tm_mday) == 3) {
871 tm.tm_hour = 0;
872 tm.tm_min = 0;
873 tm.tm_sec = 0;
874 } else {
875 goto date_fail;
876 }
877 tm.tm_year -= 1900;
878 tm.tm_mon--;
879 rtc_start_date = mktimegm(&tm);
880 if (rtc_start_date == -1) {
881 date_fail:
882 error_report("invalid date format");
883 error_printf("valid formats: "
884 "'2006-06-17T16:01:21' or '2006-06-17'\n");
885 exit(1);
886 }
887 rtc_date_offset = qemu_time() - rtc_start_date;
888 }
889 }
890
891 static void configure_rtc(QemuOpts *opts)
892 {
893 const char *value;
894
895 value = qemu_opt_get(opts, "base");
896 if (value) {
897 if (!strcmp(value, "utc")) {
898 rtc_utc = 1;
899 } else if (!strcmp(value, "localtime")) {
900 Error *blocker = NULL;
901 rtc_utc = 0;
902 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
903 "-rtc base=localtime");
904 replay_add_blocker(blocker);
905 } else {
906 configure_rtc_date_offset(value, 0);
907 }
908 }
909 value = qemu_opt_get(opts, "clock");
910 if (value) {
911 if (!strcmp(value, "host")) {
912 rtc_clock = QEMU_CLOCK_HOST;
913 } else if (!strcmp(value, "rt")) {
914 rtc_clock = QEMU_CLOCK_REALTIME;
915 } else if (!strcmp(value, "vm")) {
916 rtc_clock = QEMU_CLOCK_VIRTUAL;
917 } else {
918 error_report("invalid option value '%s'", value);
919 exit(1);
920 }
921 }
922 value = qemu_opt_get(opts, "driftfix");
923 if (value) {
924 if (!strcmp(value, "slew")) {
925 static GlobalProperty slew_lost_ticks = {
926 .driver = "mc146818rtc",
927 .property = "lost_tick_policy",
928 .value = "slew",
929 };
930
931 qdev_prop_register_global(&slew_lost_ticks);
932 } else if (!strcmp(value, "none")) {
933 /* discard is default */
934 } else {
935 error_report("invalid option value '%s'", value);
936 exit(1);
937 }
938 }
939 }
940
941 /***********************************************************/
942 /* Bluetooth support */
943 static int nb_hcis;
944 static int cur_hci;
945 static struct HCIInfo *hci_table[MAX_NICS];
946
947 struct HCIInfo *qemu_next_hci(void)
948 {
949 if (cur_hci == nb_hcis)
950 return &null_hci;
951
952 return hci_table[cur_hci++];
953 }
954
955 static int bt_hci_parse(const char *str)
956 {
957 struct HCIInfo *hci;
958 bdaddr_t bdaddr;
959
960 if (nb_hcis >= MAX_NICS) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
962 return -1;
963 }
964
965 hci = hci_init(str);
966 if (!hci)
967 return -1;
968
969 bdaddr.b[0] = 0x52;
970 bdaddr.b[1] = 0x54;
971 bdaddr.b[2] = 0x00;
972 bdaddr.b[3] = 0x12;
973 bdaddr.b[4] = 0x34;
974 bdaddr.b[5] = 0x56 + nb_hcis;
975 hci->bdaddr_set(hci, bdaddr.b);
976
977 hci_table[nb_hcis++] = hci;
978
979 return 0;
980 }
981
982 static void bt_vhci_add(int vlan_id)
983 {
984 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
985
986 if (!vlan->slave)
987 error_report("warning: adding a VHCI to an empty scatternet %i",
988 vlan_id);
989
990 bt_vhci_init(bt_new_hci(vlan));
991 }
992
993 static struct bt_device_s *bt_device_add(const char *opt)
994 {
995 struct bt_scatternet_s *vlan;
996 int vlan_id = 0;
997 char *endp = strstr(opt, ",vlan=");
998 int len = (endp ? endp - opt : strlen(opt)) + 1;
999 char devname[10];
1000
1001 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1002
1003 if (endp) {
1004 vlan_id = strtol(endp + 6, &endp, 0);
1005 if (*endp) {
1006 error_report("unrecognised bluetooth vlan Id");
1007 return 0;
1008 }
1009 }
1010
1011 vlan = qemu_find_bt_vlan(vlan_id);
1012
1013 if (!vlan->slave)
1014 error_report("warning: adding a slave device to an empty scatternet %i",
1015 vlan_id);
1016
1017 if (!strcmp(devname, "keyboard"))
1018 return bt_keyboard_init(vlan);
1019
1020 error_report("unsupported bluetooth device '%s'", devname);
1021 return 0;
1022 }
1023
1024 static int bt_parse(const char *opt)
1025 {
1026 const char *endp, *p;
1027 int vlan;
1028
1029 if (strstart(opt, "hci", &endp)) {
1030 if (!*endp || *endp == ',') {
1031 if (*endp)
1032 if (!strstart(endp, ",vlan=", 0))
1033 opt = endp + 1;
1034
1035 return bt_hci_parse(opt);
1036 }
1037 } else if (strstart(opt, "vhci", &endp)) {
1038 if (!*endp || *endp == ',') {
1039 if (*endp) {
1040 if (strstart(endp, ",vlan=", &p)) {
1041 vlan = strtol(p, (char **) &endp, 0);
1042 if (*endp) {
1043 error_report("bad scatternet '%s'", p);
1044 return 1;
1045 }
1046 } else {
1047 error_report("bad parameter '%s'", endp + 1);
1048 return 1;
1049 }
1050 } else
1051 vlan = 0;
1052
1053 bt_vhci_add(vlan);
1054 return 0;
1055 }
1056 } else if (strstart(opt, "device:", &endp))
1057 return !bt_device_add(endp);
1058
1059 error_report("bad bluetooth parameter '%s'", opt);
1060 return 1;
1061 }
1062
1063 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1064 {
1065 /* FIXME: change this to true for 1.3 */
1066 if (qemu_opt_get_bool(opts, "enable", false)) {
1067 #ifdef CONFIG_SECCOMP
1068 if (seccomp_start() < 0) {
1069 error_report("failed to install seccomp syscall filter "
1070 "in the kernel");
1071 return -1;
1072 }
1073 #else
1074 error_report("seccomp support is disabled");
1075 return -1;
1076 #endif
1077 }
1078
1079 return 0;
1080 }
1081
1082 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1083 {
1084 const char *proc_name;
1085
1086 if (qemu_opt_get(opts, "debug-threads")) {
1087 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1088 }
1089 qemu_name = qemu_opt_get(opts, "guest");
1090
1091 proc_name = qemu_opt_get(opts, "process");
1092 if (proc_name) {
1093 os_set_proc_name(proc_name);
1094 }
1095
1096 return 0;
1097 }
1098
1099 bool defaults_enabled(void)
1100 {
1101 return has_defaults;
1102 }
1103
1104 #ifndef _WIN32
1105 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1106 {
1107 int fd, dupfd, flags;
1108 int64_t fdset_id;
1109 const char *fd_opaque = NULL;
1110 AddfdInfo *fdinfo;
1111
1112 fd = qemu_opt_get_number(opts, "fd", -1);
1113 fdset_id = qemu_opt_get_number(opts, "set", -1);
1114 fd_opaque = qemu_opt_get(opts, "opaque");
1115
1116 if (fd < 0) {
1117 error_report("fd option is required and must be non-negative");
1118 return -1;
1119 }
1120
1121 if (fd <= STDERR_FILENO) {
1122 error_report("fd cannot be a standard I/O stream");
1123 return -1;
1124 }
1125
1126 /*
1127 * All fds inherited across exec() necessarily have FD_CLOEXEC
1128 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1129 */
1130 flags = fcntl(fd, F_GETFD);
1131 if (flags == -1 || (flags & FD_CLOEXEC)) {
1132 error_report("fd is not valid or already in use");
1133 return -1;
1134 }
1135
1136 if (fdset_id < 0) {
1137 error_report("set option is required and must be non-negative");
1138 return -1;
1139 }
1140
1141 #ifdef F_DUPFD_CLOEXEC
1142 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1143 #else
1144 dupfd = dup(fd);
1145 if (dupfd != -1) {
1146 qemu_set_cloexec(dupfd);
1147 }
1148 #endif
1149 if (dupfd == -1) {
1150 error_report("error duplicating fd: %s", strerror(errno));
1151 return -1;
1152 }
1153
1154 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1155 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1156 &error_abort);
1157 g_free(fdinfo);
1158
1159 return 0;
1160 }
1161
1162 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 int fd;
1165
1166 fd = qemu_opt_get_number(opts, "fd", -1);
1167 close(fd);
1168
1169 return 0;
1170 }
1171 #endif
1172
1173 /***********************************************************/
1174 /* QEMU Block devices */
1175
1176 #define HD_OPTS "media=disk"
1177 #define CDROM_OPTS "media=cdrom"
1178 #define FD_OPTS ""
1179 #define PFLASH_OPTS ""
1180 #define MTD_OPTS ""
1181 #define SD_OPTS ""
1182
1183 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1184 {
1185 BlockInterfaceType *block_default_type = opaque;
1186
1187 return drive_new(opts, *block_default_type) == NULL;
1188 }
1189
1190 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1191 {
1192 if (qemu_opt_get(opts, "snapshot") == NULL) {
1193 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1194 }
1195 return 0;
1196 }
1197
1198 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1199 int index, const char *optstr)
1200 {
1201 QemuOpts *opts;
1202 DriveInfo *dinfo;
1203
1204 if (!enable || drive_get_by_index(type, index)) {
1205 return;
1206 }
1207
1208 opts = drive_add(type, index, NULL, optstr);
1209 if (snapshot) {
1210 drive_enable_snapshot(NULL, opts, NULL);
1211 }
1212
1213 dinfo = drive_new(opts, type);
1214 if (!dinfo) {
1215 exit(1);
1216 }
1217 dinfo->is_default = true;
1218
1219 }
1220
1221 static QemuOptsList qemu_smp_opts = {
1222 .name = "smp-opts",
1223 .implied_opt_name = "cpus",
1224 .merge_lists = true,
1225 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1226 .desc = {
1227 {
1228 .name = "cpus",
1229 .type = QEMU_OPT_NUMBER,
1230 }, {
1231 .name = "sockets",
1232 .type = QEMU_OPT_NUMBER,
1233 }, {
1234 .name = "cores",
1235 .type = QEMU_OPT_NUMBER,
1236 }, {
1237 .name = "threads",
1238 .type = QEMU_OPT_NUMBER,
1239 }, {
1240 .name = "maxcpus",
1241 .type = QEMU_OPT_NUMBER,
1242 },
1243 { /*End of list */ }
1244 },
1245 };
1246
1247 static void smp_parse(QemuOpts *opts)
1248 {
1249 if (opts) {
1250 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1251 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1252 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1253 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1254
1255 /* compute missing values, prefer sockets over cores over threads */
1256 if (cpus == 0 || sockets == 0) {
1257 sockets = sockets > 0 ? sockets : 1;
1258 cores = cores > 0 ? cores : 1;
1259 threads = threads > 0 ? threads : 1;
1260 if (cpus == 0) {
1261 cpus = cores * threads * sockets;
1262 }
1263 } else if (cores == 0) {
1264 threads = threads > 0 ? threads : 1;
1265 cores = cpus / (sockets * threads);
1266 cores = cores > 0 ? cores : 1;
1267 } else if (threads == 0) {
1268 threads = cpus / (cores * sockets);
1269 threads = threads > 0 ? threads : 1;
1270 } else if (sockets * cores * threads < cpus) {
1271 error_report("cpu topology: "
1272 "sockets (%u) * cores (%u) * threads (%u) < "
1273 "smp_cpus (%u)",
1274 sockets, cores, threads, cpus);
1275 exit(1);
1276 }
1277
1278 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1279
1280 if (max_cpus < cpus) {
1281 error_report("maxcpus must be equal to or greater than smp");
1282 exit(1);
1283 }
1284
1285 if (sockets * cores * threads > max_cpus) {
1286 error_report("cpu topology: "
1287 "sockets (%u) * cores (%u) * threads (%u) > "
1288 "maxcpus (%u)",
1289 sockets, cores, threads, max_cpus);
1290 exit(1);
1291 }
1292
1293 smp_cpus = cpus;
1294 smp_cores = cores;
1295 smp_threads = threads;
1296 }
1297
1298 if (smp_cpus > 1) {
1299 Error *blocker = NULL;
1300 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1301 replay_add_blocker(blocker);
1302 }
1303 }
1304
1305 static void realtime_init(void)
1306 {
1307 if (enable_mlock) {
1308 if (os_mlock() < 0) {
1309 error_report("locking memory failed");
1310 exit(1);
1311 }
1312 }
1313 }
1314
1315
1316 static void configure_msg(QemuOpts *opts)
1317 {
1318 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1319 }
1320
1321 /***********************************************************/
1322 /* Semihosting */
1323
1324 typedef struct SemihostingConfig {
1325 bool enabled;
1326 SemihostingTarget target;
1327 const char **argv;
1328 int argc;
1329 const char *cmdline; /* concatenated argv */
1330 } SemihostingConfig;
1331
1332 static SemihostingConfig semihosting;
1333
1334 bool semihosting_enabled(void)
1335 {
1336 return semihosting.enabled;
1337 }
1338
1339 SemihostingTarget semihosting_get_target(void)
1340 {
1341 return semihosting.target;
1342 }
1343
1344 const char *semihosting_get_arg(int i)
1345 {
1346 if (i >= semihosting.argc) {
1347 return NULL;
1348 }
1349 return semihosting.argv[i];
1350 }
1351
1352 int semihosting_get_argc(void)
1353 {
1354 return semihosting.argc;
1355 }
1356
1357 const char *semihosting_get_cmdline(void)
1358 {
1359 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1360 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1361 }
1362 return semihosting.cmdline;
1363 }
1364
1365 static int add_semihosting_arg(void *opaque,
1366 const char *name, const char *val,
1367 Error **errp)
1368 {
1369 SemihostingConfig *s = opaque;
1370 if (strcmp(name, "arg") == 0) {
1371 s->argc++;
1372 /* one extra element as g_strjoinv() expects NULL-terminated array */
1373 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1374 s->argv[s->argc - 1] = val;
1375 s->argv[s->argc] = NULL;
1376 }
1377 return 0;
1378 }
1379
1380 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1381 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1382 {
1383 char *cmd_token;
1384
1385 /* argv[0] */
1386 add_semihosting_arg(&semihosting, "arg", file, NULL);
1387
1388 /* split -append and initialize argv[1..n] */
1389 cmd_token = strtok(g_strdup(cmd), " ");
1390 while (cmd_token) {
1391 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1392 cmd_token = strtok(NULL, " ");
1393 }
1394 }
1395
1396 /* Now we still need this for compatibility with XEN. */
1397 bool has_igd_gfx_passthru;
1398 static void igd_gfx_passthru(void)
1399 {
1400 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1401 }
1402
1403 /***********************************************************/
1404 /* USB devices */
1405
1406 static int usb_device_add(const char *devname)
1407 {
1408 USBDevice *dev = NULL;
1409 #ifndef CONFIG_LINUX
1410 const char *p;
1411 #endif
1412
1413 if (!machine_usb(current_machine)) {
1414 return -1;
1415 }
1416
1417 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1418 dev = usbdevice_create(devname);
1419 if (dev)
1420 goto done;
1421
1422 /* the other ones */
1423 #ifndef CONFIG_LINUX
1424 /* only the linux version is qdev-ified, usb-bsd still needs this */
1425 if (strstart(devname, "host:", &p)) {
1426 dev = usb_host_device_open(usb_bus_find(-1), p);
1427 }
1428 #endif
1429 if (!dev)
1430 return -1;
1431
1432 done:
1433 return 0;
1434 }
1435
1436 static int usb_device_del(const char *devname)
1437 {
1438 int bus_num, addr;
1439 const char *p;
1440
1441 if (strstart(devname, "host:", &p)) {
1442 return -1;
1443 }
1444
1445 if (!machine_usb(current_machine)) {
1446 return -1;
1447 }
1448
1449 p = strchr(devname, '.');
1450 if (!p)
1451 return -1;
1452 bus_num = strtoul(devname, NULL, 0);
1453 addr = strtoul(p + 1, NULL, 0);
1454
1455 return usb_device_delete_addr(bus_num, addr);
1456 }
1457
1458 static int usb_parse(const char *cmdline)
1459 {
1460 int r;
1461 r = usb_device_add(cmdline);
1462 if (r < 0) {
1463 error_report("could not add USB device '%s'", cmdline);
1464 }
1465 return r;
1466 }
1467
1468 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1469 {
1470 const char *devname = qdict_get_str(qdict, "devname");
1471 if (usb_device_add(devname) < 0) {
1472 error_report("could not add USB device '%s'", devname);
1473 }
1474 }
1475
1476 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1477 {
1478 const char *devname = qdict_get_str(qdict, "devname");
1479 if (usb_device_del(devname) < 0) {
1480 error_report("could not delete USB device '%s'", devname);
1481 }
1482 }
1483
1484 /***********************************************************/
1485 /* machine registration */
1486
1487 MachineState *current_machine;
1488
1489 static MachineClass *find_machine(const char *name)
1490 {
1491 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1492 MachineClass *mc = NULL;
1493
1494 for (el = machines; el; el = el->next) {
1495 MachineClass *temp = el->data;
1496
1497 if (!strcmp(temp->name, name)) {
1498 mc = temp;
1499 break;
1500 }
1501 if (temp->alias &&
1502 !strcmp(temp->alias, name)) {
1503 mc = temp;
1504 break;
1505 }
1506 }
1507
1508 g_slist_free(machines);
1509 return mc;
1510 }
1511
1512 MachineClass *find_default_machine(void)
1513 {
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineClass *mc = NULL;
1516
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *temp = el->data;
1519
1520 if (temp->is_default) {
1521 mc = temp;
1522 break;
1523 }
1524 }
1525
1526 g_slist_free(machines);
1527 return mc;
1528 }
1529
1530 MachineInfoList *qmp_query_machines(Error **errp)
1531 {
1532 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1533 MachineInfoList *mach_list = NULL;
1534
1535 for (el = machines; el; el = el->next) {
1536 MachineClass *mc = el->data;
1537 MachineInfoList *entry;
1538 MachineInfo *info;
1539
1540 info = g_malloc0(sizeof(*info));
1541 if (mc->is_default) {
1542 info->has_is_default = true;
1543 info->is_default = true;
1544 }
1545
1546 if (mc->alias) {
1547 info->has_alias = true;
1548 info->alias = g_strdup(mc->alias);
1549 }
1550
1551 info->name = g_strdup(mc->name);
1552 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1553 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1554
1555 entry = g_malloc0(sizeof(*entry));
1556 entry->value = info;
1557 entry->next = mach_list;
1558 mach_list = entry;
1559 }
1560
1561 g_slist_free(machines);
1562 return mach_list;
1563 }
1564
1565 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1566 {
1567 ObjectProperty *prop;
1568 ObjectPropertyIterator iter;
1569
1570 if (!qemu_opt_has_help_opt(opts)) {
1571 return 0;
1572 }
1573
1574 object_property_iter_init(&iter, OBJECT(machine));
1575 while ((prop = object_property_iter_next(&iter))) {
1576 if (!prop->set) {
1577 continue;
1578 }
1579
1580 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1581 prop->name, prop->type);
1582 if (prop->description) {
1583 error_printf(" (%s)\n", prop->description);
1584 } else {
1585 error_printf("\n");
1586 }
1587 }
1588
1589 return 1;
1590 }
1591
1592 /***********************************************************/
1593 /* main execution loop */
1594
1595 struct vm_change_state_entry {
1596 VMChangeStateHandler *cb;
1597 void *opaque;
1598 QLIST_ENTRY (vm_change_state_entry) entries;
1599 };
1600
1601 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1602
1603 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1604 void *opaque)
1605 {
1606 VMChangeStateEntry *e;
1607
1608 e = g_malloc0(sizeof (*e));
1609
1610 e->cb = cb;
1611 e->opaque = opaque;
1612 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1613 return e;
1614 }
1615
1616 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1617 {
1618 QLIST_REMOVE (e, entries);
1619 g_free (e);
1620 }
1621
1622 void vm_state_notify(int running, RunState state)
1623 {
1624 VMChangeStateEntry *e, *next;
1625
1626 trace_vm_state_notify(running, state);
1627
1628 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1629 e->cb(e->opaque, running, state);
1630 }
1631 }
1632
1633 /* reset/shutdown handler */
1634
1635 typedef struct QEMUResetEntry {
1636 QTAILQ_ENTRY(QEMUResetEntry) entry;
1637 QEMUResetHandler *func;
1638 void *opaque;
1639 } QEMUResetEntry;
1640
1641 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1642 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1643 static int reset_requested;
1644 static int shutdown_requested, shutdown_signal = -1;
1645 static pid_t shutdown_pid;
1646 static int powerdown_requested;
1647 static int debug_requested;
1648 static int suspend_requested;
1649 static WakeupReason wakeup_reason;
1650 static NotifierList powerdown_notifiers =
1651 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1652 static NotifierList suspend_notifiers =
1653 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1654 static NotifierList wakeup_notifiers =
1655 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1656 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1657
1658 int qemu_shutdown_requested_get(void)
1659 {
1660 return shutdown_requested;
1661 }
1662
1663 int qemu_reset_requested_get(void)
1664 {
1665 return reset_requested;
1666 }
1667
1668 static int qemu_shutdown_requested(void)
1669 {
1670 return atomic_xchg(&shutdown_requested, 0);
1671 }
1672
1673 static void qemu_kill_report(void)
1674 {
1675 if (!qtest_driver() && shutdown_signal != -1) {
1676 if (shutdown_pid == 0) {
1677 /* This happens for eg ^C at the terminal, so it's worth
1678 * avoiding printing an odd message in that case.
1679 */
1680 error_report("terminating on signal %d", shutdown_signal);
1681 } else {
1682 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1683
1684 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1685 shutdown_signal, shutdown_pid,
1686 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1687 g_free(shutdown_cmd);
1688 }
1689 shutdown_signal = -1;
1690 }
1691 }
1692
1693 static int qemu_reset_requested(void)
1694 {
1695 int r = reset_requested;
1696 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1697 reset_requested = 0;
1698 return r;
1699 }
1700 return false;
1701 }
1702
1703 static int qemu_suspend_requested(void)
1704 {
1705 int r = suspend_requested;
1706 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1707 suspend_requested = 0;
1708 return r;
1709 }
1710 return false;
1711 }
1712
1713 static WakeupReason qemu_wakeup_requested(void)
1714 {
1715 return wakeup_reason;
1716 }
1717
1718 static int qemu_powerdown_requested(void)
1719 {
1720 int r = powerdown_requested;
1721 powerdown_requested = 0;
1722 return r;
1723 }
1724
1725 static int qemu_debug_requested(void)
1726 {
1727 int r = debug_requested;
1728 debug_requested = 0;
1729 return r;
1730 }
1731
1732 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1733 {
1734 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1735
1736 re->func = func;
1737 re->opaque = opaque;
1738 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1739 }
1740
1741 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1742 {
1743 QEMUResetEntry *re;
1744
1745 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1746 if (re->func == func && re->opaque == opaque) {
1747 QTAILQ_REMOVE(&reset_handlers, re, entry);
1748 g_free(re);
1749 return;
1750 }
1751 }
1752 }
1753
1754 void qemu_devices_reset(void)
1755 {
1756 QEMUResetEntry *re, *nre;
1757
1758 /* reset all devices */
1759 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1760 re->func(re->opaque);
1761 }
1762 }
1763
1764 void qemu_system_reset(bool report)
1765 {
1766 MachineClass *mc;
1767
1768 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1769
1770 cpu_synchronize_all_states();
1771
1772 if (mc && mc->reset) {
1773 mc->reset();
1774 } else {
1775 qemu_devices_reset();
1776 }
1777 if (report) {
1778 qapi_event_send_reset(&error_abort);
1779 }
1780 cpu_synchronize_all_post_reset();
1781 }
1782
1783 void qemu_system_guest_panicked(void)
1784 {
1785 if (current_cpu) {
1786 current_cpu->crash_occurred = true;
1787 }
1788 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1789 vm_stop(RUN_STATE_GUEST_PANICKED);
1790 if (!no_shutdown) {
1791 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1792 &error_abort);
1793 qemu_system_shutdown_request();
1794 }
1795 }
1796
1797 void qemu_system_reset_request(void)
1798 {
1799 if (no_reboot) {
1800 shutdown_requested = 1;
1801 } else {
1802 reset_requested = 1;
1803 }
1804 cpu_stop_current();
1805 qemu_notify_event();
1806 }
1807
1808 static void qemu_system_suspend(void)
1809 {
1810 pause_all_vcpus();
1811 notifier_list_notify(&suspend_notifiers, NULL);
1812 runstate_set(RUN_STATE_SUSPENDED);
1813 qapi_event_send_suspend(&error_abort);
1814 }
1815
1816 void qemu_system_suspend_request(void)
1817 {
1818 if (runstate_check(RUN_STATE_SUSPENDED)) {
1819 return;
1820 }
1821 suspend_requested = 1;
1822 cpu_stop_current();
1823 qemu_notify_event();
1824 }
1825
1826 void qemu_register_suspend_notifier(Notifier *notifier)
1827 {
1828 notifier_list_add(&suspend_notifiers, notifier);
1829 }
1830
1831 void qemu_system_wakeup_request(WakeupReason reason)
1832 {
1833 trace_system_wakeup_request(reason);
1834
1835 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1836 return;
1837 }
1838 if (!(wakeup_reason_mask & (1 << reason))) {
1839 return;
1840 }
1841 runstate_set(RUN_STATE_RUNNING);
1842 wakeup_reason = reason;
1843 qemu_notify_event();
1844 }
1845
1846 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1847 {
1848 if (enabled) {
1849 wakeup_reason_mask |= (1 << reason);
1850 } else {
1851 wakeup_reason_mask &= ~(1 << reason);
1852 }
1853 }
1854
1855 void qemu_register_wakeup_notifier(Notifier *notifier)
1856 {
1857 notifier_list_add(&wakeup_notifiers, notifier);
1858 }
1859
1860 void qemu_system_killed(int signal, pid_t pid)
1861 {
1862 shutdown_signal = signal;
1863 shutdown_pid = pid;
1864 no_shutdown = 0;
1865
1866 /* Cannot call qemu_system_shutdown_request directly because
1867 * we are in a signal handler.
1868 */
1869 shutdown_requested = 1;
1870 qemu_notify_event();
1871 }
1872
1873 void qemu_system_shutdown_request(void)
1874 {
1875 trace_qemu_system_shutdown_request();
1876 replay_shutdown_request();
1877 shutdown_requested = 1;
1878 qemu_notify_event();
1879 }
1880
1881 static void qemu_system_powerdown(void)
1882 {
1883 qapi_event_send_powerdown(&error_abort);
1884 notifier_list_notify(&powerdown_notifiers, NULL);
1885 }
1886
1887 void qemu_system_powerdown_request(void)
1888 {
1889 trace_qemu_system_powerdown_request();
1890 powerdown_requested = 1;
1891 qemu_notify_event();
1892 }
1893
1894 void qemu_register_powerdown_notifier(Notifier *notifier)
1895 {
1896 notifier_list_add(&powerdown_notifiers, notifier);
1897 }
1898
1899 void qemu_system_debug_request(void)
1900 {
1901 debug_requested = 1;
1902 qemu_notify_event();
1903 }
1904
1905 static bool main_loop_should_exit(void)
1906 {
1907 RunState r;
1908 if (qemu_debug_requested()) {
1909 vm_stop(RUN_STATE_DEBUG);
1910 }
1911 if (qemu_suspend_requested()) {
1912 qemu_system_suspend();
1913 }
1914 if (qemu_shutdown_requested()) {
1915 qemu_kill_report();
1916 qapi_event_send_shutdown(&error_abort);
1917 if (no_shutdown) {
1918 vm_stop(RUN_STATE_SHUTDOWN);
1919 } else {
1920 return true;
1921 }
1922 }
1923 if (qemu_reset_requested()) {
1924 pause_all_vcpus();
1925 qemu_system_reset(VMRESET_REPORT);
1926 resume_all_vcpus();
1927 if (!runstate_check(RUN_STATE_RUNNING) &&
1928 !runstate_check(RUN_STATE_INMIGRATE)) {
1929 runstate_set(RUN_STATE_PRELAUNCH);
1930 }
1931 }
1932 if (qemu_wakeup_requested()) {
1933 pause_all_vcpus();
1934 qemu_system_reset(VMRESET_SILENT);
1935 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1936 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1937 resume_all_vcpus();
1938 qapi_event_send_wakeup(&error_abort);
1939 }
1940 if (qemu_powerdown_requested()) {
1941 qemu_system_powerdown();
1942 }
1943 if (qemu_vmstop_requested(&r)) {
1944 vm_stop(r);
1945 }
1946 return false;
1947 }
1948
1949 static void main_loop(void)
1950 {
1951 bool nonblocking;
1952 int last_io = 0;
1953 #ifdef CONFIG_PROFILER
1954 int64_t ti;
1955 #endif
1956 do {
1957 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1958 #ifdef CONFIG_PROFILER
1959 ti = profile_getclock();
1960 #endif
1961 last_io = main_loop_wait(nonblocking);
1962 #ifdef CONFIG_PROFILER
1963 dev_time += profile_getclock() - ti;
1964 #endif
1965 } while (!main_loop_should_exit());
1966 }
1967
1968 static void version(void)
1969 {
1970 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1971 QEMU_COPYRIGHT "\n");
1972 }
1973
1974 static void help(int exitcode)
1975 {
1976 version();
1977 printf("usage: %s [options] [disk_image]\n\n"
1978 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1979 error_get_progname());
1980
1981 #define QEMU_OPTIONS_GENERATE_HELP
1982 #include "qemu-options-wrapper.h"
1983
1984 printf("\nDuring emulation, the following keys are useful:\n"
1985 "ctrl-alt-f toggle full screen\n"
1986 "ctrl-alt-n switch to virtual console 'n'\n"
1987 "ctrl-alt toggle mouse and keyboard grab\n"
1988 "\n"
1989 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1990
1991 exit(exitcode);
1992 }
1993
1994 #define HAS_ARG 0x0001
1995
1996 typedef struct QEMUOption {
1997 const char *name;
1998 int flags;
1999 int index;
2000 uint32_t arch_mask;
2001 } QEMUOption;
2002
2003 static const QEMUOption qemu_options[] = {
2004 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2005 #define QEMU_OPTIONS_GENERATE_OPTIONS
2006 #include "qemu-options-wrapper.h"
2007 { NULL },
2008 };
2009
2010 typedef struct VGAInterfaceInfo {
2011 const char *opt_name; /* option name */
2012 const char *name; /* human-readable name */
2013 /* Class names indicating that support is available.
2014 * If no class is specified, the interface is always available */
2015 const char *class_names[2];
2016 } VGAInterfaceInfo;
2017
2018 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2019 [VGA_NONE] = {
2020 .opt_name = "none",
2021 },
2022 [VGA_STD] = {
2023 .opt_name = "std",
2024 .name = "standard VGA",
2025 .class_names = { "VGA", "isa-vga" },
2026 },
2027 [VGA_CIRRUS] = {
2028 .opt_name = "cirrus",
2029 .name = "Cirrus VGA",
2030 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2031 },
2032 [VGA_VMWARE] = {
2033 .opt_name = "vmware",
2034 .name = "VMWare SVGA",
2035 .class_names = { "vmware-svga" },
2036 },
2037 [VGA_VIRTIO] = {
2038 .opt_name = "virtio",
2039 .name = "Virtio VGA",
2040 .class_names = { "virtio-vga" },
2041 },
2042 [VGA_QXL] = {
2043 .opt_name = "qxl",
2044 .name = "QXL VGA",
2045 .class_names = { "qxl-vga" },
2046 },
2047 [VGA_TCX] = {
2048 .opt_name = "tcx",
2049 .name = "TCX framebuffer",
2050 .class_names = { "SUNW,tcx" },
2051 },
2052 [VGA_CG3] = {
2053 .opt_name = "cg3",
2054 .name = "CG3 framebuffer",
2055 .class_names = { "cgthree" },
2056 },
2057 [VGA_XENFB] = {
2058 .opt_name = "xenfb",
2059 },
2060 };
2061
2062 static bool vga_interface_available(VGAInterfaceType t)
2063 {
2064 VGAInterfaceInfo *ti = &vga_interfaces[t];
2065
2066 assert(t < VGA_TYPE_MAX);
2067 return !ti->class_names[0] ||
2068 object_class_by_name(ti->class_names[0]) ||
2069 object_class_by_name(ti->class_names[1]);
2070 }
2071
2072 static void select_vgahw(const char *p)
2073 {
2074 const char *opts;
2075 int t;
2076
2077 assert(vga_interface_type == VGA_NONE);
2078 for (t = 0; t < VGA_TYPE_MAX; t++) {
2079 VGAInterfaceInfo *ti = &vga_interfaces[t];
2080 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2081 if (!vga_interface_available(t)) {
2082 error_report("%s not available", ti->name);
2083 exit(1);
2084 }
2085 vga_interface_type = t;
2086 break;
2087 }
2088 }
2089 if (t == VGA_TYPE_MAX) {
2090 invalid_vga:
2091 error_report("unknown vga type: %s", p);
2092 exit(1);
2093 }
2094 while (*opts) {
2095 const char *nextopt;
2096
2097 if (strstart(opts, ",retrace=", &nextopt)) {
2098 opts = nextopt;
2099 if (strstart(opts, "dumb", &nextopt))
2100 vga_retrace_method = VGA_RETRACE_DUMB;
2101 else if (strstart(opts, "precise", &nextopt))
2102 vga_retrace_method = VGA_RETRACE_PRECISE;
2103 else goto invalid_vga;
2104 } else goto invalid_vga;
2105 opts = nextopt;
2106 }
2107 }
2108
2109 typedef enum DisplayType {
2110 DT_DEFAULT,
2111 DT_CURSES,
2112 DT_SDL,
2113 DT_COCOA,
2114 DT_GTK,
2115 DT_NONE,
2116 } DisplayType;
2117
2118 static DisplayType select_display(const char *p)
2119 {
2120 const char *opts;
2121 DisplayType display = DT_DEFAULT;
2122
2123 if (strstart(p, "sdl", &opts)) {
2124 #ifdef CONFIG_SDL
2125 display = DT_SDL;
2126 while (*opts) {
2127 const char *nextopt;
2128
2129 if (strstart(opts, ",frame=", &nextopt)) {
2130 opts = nextopt;
2131 if (strstart(opts, "on", &nextopt)) {
2132 no_frame = 0;
2133 } else if (strstart(opts, "off", &nextopt)) {
2134 no_frame = 1;
2135 } else {
2136 goto invalid_sdl_args;
2137 }
2138 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2139 opts = nextopt;
2140 if (strstart(opts, "on", &nextopt)) {
2141 alt_grab = 1;
2142 } else if (strstart(opts, "off", &nextopt)) {
2143 alt_grab = 0;
2144 } else {
2145 goto invalid_sdl_args;
2146 }
2147 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2148 opts = nextopt;
2149 if (strstart(opts, "on", &nextopt)) {
2150 ctrl_grab = 1;
2151 } else if (strstart(opts, "off", &nextopt)) {
2152 ctrl_grab = 0;
2153 } else {
2154 goto invalid_sdl_args;
2155 }
2156 } else if (strstart(opts, ",window_close=", &nextopt)) {
2157 opts = nextopt;
2158 if (strstart(opts, "on", &nextopt)) {
2159 no_quit = 0;
2160 } else if (strstart(opts, "off", &nextopt)) {
2161 no_quit = 1;
2162 } else {
2163 goto invalid_sdl_args;
2164 }
2165 } else if (strstart(opts, ",gl=", &nextopt)) {
2166 opts = nextopt;
2167 if (strstart(opts, "on", &nextopt)) {
2168 request_opengl = 1;
2169 } else if (strstart(opts, "off", &nextopt)) {
2170 request_opengl = 0;
2171 } else {
2172 goto invalid_sdl_args;
2173 }
2174 } else {
2175 invalid_sdl_args:
2176 error_report("invalid SDL option string");
2177 exit(1);
2178 }
2179 opts = nextopt;
2180 }
2181 #else
2182 error_report("SDL support is disabled");
2183 exit(1);
2184 #endif
2185 } else if (strstart(p, "vnc", &opts)) {
2186 if (*opts == '=') {
2187 vnc_parse(opts + 1, &error_fatal);
2188 } else {
2189 error_report("VNC requires a display argument vnc=<display>");
2190 exit(1);
2191 }
2192 } else if (strstart(p, "curses", &opts)) {
2193 #ifdef CONFIG_CURSES
2194 display = DT_CURSES;
2195 #else
2196 error_report("curses support is disabled");
2197 exit(1);
2198 #endif
2199 } else if (strstart(p, "gtk", &opts)) {
2200 #ifdef CONFIG_GTK
2201 display = DT_GTK;
2202 while (*opts) {
2203 const char *nextopt;
2204
2205 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2206 opts = nextopt;
2207 if (strstart(opts, "on", &nextopt)) {
2208 grab_on_hover = true;
2209 } else if (strstart(opts, "off", &nextopt)) {
2210 grab_on_hover = false;
2211 } else {
2212 goto invalid_gtk_args;
2213 }
2214 } else if (strstart(opts, ",gl=", &nextopt)) {
2215 opts = nextopt;
2216 if (strstart(opts, "on", &nextopt)) {
2217 request_opengl = 1;
2218 } else if (strstart(opts, "off", &nextopt)) {
2219 request_opengl = 0;
2220 } else {
2221 goto invalid_gtk_args;
2222 }
2223 } else {
2224 invalid_gtk_args:
2225 error_report("invalid GTK option string");
2226 exit(1);
2227 }
2228 opts = nextopt;
2229 }
2230 #else
2231 error_report("GTK support is disabled");
2232 exit(1);
2233 #endif
2234 } else if (strstart(p, "none", &opts)) {
2235 display = DT_NONE;
2236 } else {
2237 error_report("unknown display type");
2238 exit(1);
2239 }
2240
2241 return display;
2242 }
2243
2244 static int balloon_parse(const char *arg)
2245 {
2246 QemuOpts *opts;
2247
2248 if (strcmp(arg, "none") == 0) {
2249 return 0;
2250 }
2251
2252 if (!strncmp(arg, "virtio", 6)) {
2253 if (arg[6] == ',') {
2254 /* have params -> parse them */
2255 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2256 false);
2257 if (!opts)
2258 return -1;
2259 } else {
2260 /* create empty opts */
2261 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2262 &error_abort);
2263 }
2264 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2265 return 0;
2266 }
2267
2268 return -1;
2269 }
2270
2271 char *qemu_find_file(int type, const char *name)
2272 {
2273 int i;
2274 const char *subdir;
2275 char *buf;
2276
2277 /* Try the name as a straight path first */
2278 if (access(name, R_OK) == 0) {
2279 trace_load_file(name, name);
2280 return g_strdup(name);
2281 }
2282
2283 switch (type) {
2284 case QEMU_FILE_TYPE_BIOS:
2285 subdir = "";
2286 break;
2287 case QEMU_FILE_TYPE_KEYMAP:
2288 subdir = "keymaps/";
2289 break;
2290 default:
2291 abort();
2292 }
2293
2294 for (i = 0; i < data_dir_idx; i++) {
2295 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2296 if (access(buf, R_OK) == 0) {
2297 trace_load_file(name, buf);
2298 return buf;
2299 }
2300 g_free(buf);
2301 }
2302 return NULL;
2303 }
2304
2305 static inline bool nonempty_str(const char *str)
2306 {
2307 return str && *str;
2308 }
2309
2310 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2311 {
2312 gchar *buf;
2313 size_t size;
2314 const char *name, *file, *str;
2315 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2316
2317 if (fw_cfg == NULL) {
2318 error_report("fw_cfg device not available");
2319 return -1;
2320 }
2321 name = qemu_opt_get(opts, "name");
2322 file = qemu_opt_get(opts, "file");
2323 str = qemu_opt_get(opts, "string");
2324
2325 /* we need name and either a file or the content string */
2326 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2327 error_report("invalid argument(s)");
2328 return -1;
2329 }
2330 if (nonempty_str(file) && nonempty_str(str)) {
2331 error_report("file and string are mutually exclusive");
2332 return -1;
2333 }
2334 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2335 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2336 return -1;
2337 }
2338 if (strncmp(name, "opt/", 4) != 0) {
2339 error_report("warning: externally provided fw_cfg item names "
2340 "should be prefixed with \"opt/\"");
2341 }
2342 if (nonempty_str(str)) {
2343 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2344 buf = g_memdup(str, size);
2345 } else {
2346 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2347 error_report("can't load %s", file);
2348 return -1;
2349 }
2350 }
2351 /* For legacy, keep user files in a specific global order. */
2352 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2353 fw_cfg_add_file(fw_cfg, name, buf, size);
2354 fw_cfg_reset_order_override(fw_cfg);
2355 return 0;
2356 }
2357
2358 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2359 {
2360 return qdev_device_help(opts);
2361 }
2362
2363 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2364 {
2365 Error *err = NULL;
2366 DeviceState *dev;
2367
2368 dev = qdev_device_add(opts, &err);
2369 if (!dev) {
2370 error_report_err(err);
2371 return -1;
2372 }
2373 object_unref(OBJECT(dev));
2374 return 0;
2375 }
2376
2377 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2378 {
2379 Error *local_err = NULL;
2380
2381 qemu_chr_new_from_opts(opts, &local_err);
2382 if (local_err) {
2383 error_report_err(local_err);
2384 return -1;
2385 }
2386 return 0;
2387 }
2388
2389 #ifdef CONFIG_VIRTFS
2390 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2391 {
2392 return qemu_fsdev_add(opts);
2393 }
2394 #endif
2395
2396 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2397 {
2398 CharDriverState *chr;
2399 const char *chardev;
2400 const char *mode;
2401 int flags;
2402
2403 mode = qemu_opt_get(opts, "mode");
2404 if (mode == NULL) {
2405 mode = "readline";
2406 }
2407 if (strcmp(mode, "readline") == 0) {
2408 flags = MONITOR_USE_READLINE;
2409 } else if (strcmp(mode, "control") == 0) {
2410 flags = MONITOR_USE_CONTROL;
2411 } else {
2412 error_report("unknown monitor mode \"%s\"", mode);
2413 exit(1);
2414 }
2415
2416 if (qemu_opt_get_bool(opts, "pretty", 0))
2417 flags |= MONITOR_USE_PRETTY;
2418
2419 if (qemu_opt_get_bool(opts, "default", 0)) {
2420 error_report("option 'default' does nothing and is deprecated");
2421 }
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
2441 if (strstart(optarg, "chardev:", &p)) {
2442 snprintf(label, sizeof(label), "%s", p);
2443 } else {
2444 snprintf(label, sizeof(label), "compat_monitor%d",
2445 monitor_device_index);
2446 opts = qemu_chr_parse_compat(label, optarg);
2447 if (!opts) {
2448 error_report("parse error: %s", optarg);
2449 exit(1);
2450 }
2451 }
2452
2453 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2454 qemu_opt_set(opts, "mode", mode, &error_abort);
2455 qemu_opt_set(opts, "chardev", label, &error_abort);
2456 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2457 monitor_device_index++;
2458 }
2459
2460 struct device_config {
2461 enum {
2462 DEV_USB, /* -usbdevice */
2463 DEV_BT, /* -bt */
2464 DEV_SERIAL, /* -serial */
2465 DEV_PARALLEL, /* -parallel */
2466 DEV_VIRTCON, /* -virtioconsole */
2467 DEV_DEBUGCON, /* -debugcon */
2468 DEV_GDB, /* -gdb, -s */
2469 DEV_SCLP, /* s390 sclp */
2470 } type;
2471 const char *cmdline;
2472 Location loc;
2473 QTAILQ_ENTRY(device_config) next;
2474 };
2475
2476 static QTAILQ_HEAD(, device_config) device_configs =
2477 QTAILQ_HEAD_INITIALIZER(device_configs);
2478
2479 static void add_device_config(int type, const char *cmdline)
2480 {
2481 struct device_config *conf;
2482
2483 conf = g_malloc0(sizeof(*conf));
2484 conf->type = type;
2485 conf->cmdline = cmdline;
2486 loc_save(&conf->loc);
2487 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2488 }
2489
2490 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2491 {
2492 struct device_config *conf;
2493 int rc;
2494
2495 QTAILQ_FOREACH(conf, &device_configs, next) {
2496 if (conf->type != type)
2497 continue;
2498 loc_push_restore(&conf->loc);
2499 rc = func(conf->cmdline);
2500 loc_pop(&conf->loc);
2501 if (rc) {
2502 return rc;
2503 }
2504 }
2505 return 0;
2506 }
2507
2508 static int serial_parse(const char *devname)
2509 {
2510 static int index = 0;
2511 char label[32];
2512
2513 if (strcmp(devname, "none") == 0)
2514 return 0;
2515 if (index == MAX_SERIAL_PORTS) {
2516 error_report("too many serial ports");
2517 exit(1);
2518 }
2519 snprintf(label, sizeof(label), "serial%d", index);
2520 serial_hds[index] = qemu_chr_new(label, devname);
2521 if (!serial_hds[index]) {
2522 error_report("could not connect serial device"
2523 " to character backend '%s'", devname);
2524 return -1;
2525 }
2526 index++;
2527 return 0;
2528 }
2529
2530 static int parallel_parse(const char *devname)
2531 {
2532 static int index = 0;
2533 char label[32];
2534
2535 if (strcmp(devname, "none") == 0)
2536 return 0;
2537 if (index == MAX_PARALLEL_PORTS) {
2538 error_report("too many parallel ports");
2539 exit(1);
2540 }
2541 snprintf(label, sizeof(label), "parallel%d", index);
2542 parallel_hds[index] = qemu_chr_new(label, devname);
2543 if (!parallel_hds[index]) {
2544 error_report("could not connect parallel device"
2545 " to character backend '%s'", devname);
2546 return -1;
2547 }
2548 index++;
2549 return 0;
2550 }
2551
2552 static int virtcon_parse(const char *devname)
2553 {
2554 QemuOptsList *device = qemu_find_opts("device");
2555 static int index = 0;
2556 char label[32];
2557 QemuOpts *bus_opts, *dev_opts;
2558
2559 if (strcmp(devname, "none") == 0)
2560 return 0;
2561 if (index == MAX_VIRTIO_CONSOLES) {
2562 error_report("too many virtio consoles");
2563 exit(1);
2564 }
2565
2566 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2567 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2568
2569 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2570 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2571
2572 snprintf(label, sizeof(label), "virtcon%d", index);
2573 virtcon_hds[index] = qemu_chr_new(label, devname);
2574 if (!virtcon_hds[index]) {
2575 error_report("could not connect virtio console"
2576 " to character backend '%s'", devname);
2577 return -1;
2578 }
2579 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2580
2581 index++;
2582 return 0;
2583 }
2584
2585 static int sclp_parse(const char *devname)
2586 {
2587 QemuOptsList *device = qemu_find_opts("device");
2588 static int index = 0;
2589 char label[32];
2590 QemuOpts *dev_opts;
2591
2592 if (strcmp(devname, "none") == 0) {
2593 return 0;
2594 }
2595 if (index == MAX_SCLP_CONSOLES) {
2596 error_report("too many sclp consoles");
2597 exit(1);
2598 }
2599
2600 assert(arch_type == QEMU_ARCH_S390X);
2601
2602 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2603 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2604
2605 snprintf(label, sizeof(label), "sclpcon%d", index);
2606 sclp_hds[index] = qemu_chr_new(label, devname);
2607 if (!sclp_hds[index]) {
2608 error_report("could not connect sclp console"
2609 " to character backend '%s'", devname);
2610 return -1;
2611 }
2612 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2613
2614 index++;
2615 return 0;
2616 }
2617
2618 static int debugcon_parse(const char *devname)
2619 {
2620 QemuOpts *opts;
2621
2622 if (!qemu_chr_new("debugcon", devname)) {
2623 exit(1);
2624 }
2625 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2626 if (!opts) {
2627 error_report("already have a debugcon device");
2628 exit(1);
2629 }
2630 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2631 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2632 return 0;
2633 }
2634
2635 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2636 {
2637 const MachineClass *mc1 = a, *mc2 = b;
2638 int res;
2639
2640 if (mc1->family == NULL) {
2641 if (mc2->family == NULL) {
2642 /* Compare standalone machine types against each other; they sort
2643 * in increasing order.
2644 */
2645 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2646 object_class_get_name(OBJECT_CLASS(mc2)));
2647 }
2648
2649 /* Standalone machine types sort after families. */
2650 return 1;
2651 }
2652
2653 if (mc2->family == NULL) {
2654 /* Families sort before standalone machine types. */
2655 return -1;
2656 }
2657
2658 /* Families sort between each other alphabetically increasingly. */
2659 res = strcmp(mc1->family, mc2->family);
2660 if (res != 0) {
2661 return res;
2662 }
2663
2664 /* Within the same family, machine types sort in decreasing order. */
2665 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2666 object_class_get_name(OBJECT_CLASS(mc1)));
2667 }
2668
2669 static MachineClass *machine_parse(const char *name)
2670 {
2671 MachineClass *mc = NULL;
2672 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2673
2674 if (name) {
2675 mc = find_machine(name);
2676 }
2677 if (mc) {
2678 g_slist_free(machines);
2679 return mc;
2680 }
2681 if (name && !is_help_option(name)) {
2682 error_report("unsupported machine type");
2683 error_printf("Use -machine help to list supported machines\n");
2684 } else {
2685 printf("Supported machines are:\n");
2686 machines = g_slist_sort(machines, machine_class_cmp);
2687 for (el = machines; el; el = el->next) {
2688 MachineClass *mc = el->data;
2689 if (mc->alias) {
2690 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2691 }
2692 printf("%-20s %s%s\n", mc->name, mc->desc,
2693 mc->is_default ? " (default)" : "");
2694 }
2695 }
2696
2697 g_slist_free(machines);
2698 exit(!name || !is_help_option(name));
2699 }
2700
2701 void qemu_add_exit_notifier(Notifier *notify)
2702 {
2703 notifier_list_add(&exit_notifiers, notify);
2704 }
2705
2706 void qemu_remove_exit_notifier(Notifier *notify)
2707 {
2708 notifier_remove(notify);
2709 }
2710
2711 static void qemu_run_exit_notifiers(void)
2712 {
2713 notifier_list_notify(&exit_notifiers, NULL);
2714 }
2715
2716 static bool machine_init_done;
2717
2718 void qemu_add_machine_init_done_notifier(Notifier *notify)
2719 {
2720 notifier_list_add(&machine_init_done_notifiers, notify);
2721 if (machine_init_done) {
2722 notify->notify(notify, NULL);
2723 }
2724 }
2725
2726 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2727 {
2728 notifier_remove(notify);
2729 }
2730
2731 static void qemu_run_machine_init_done_notifiers(void)
2732 {
2733 notifier_list_notify(&machine_init_done_notifiers, NULL);
2734 machine_init_done = true;
2735 }
2736
2737 static const QEMUOption *lookup_opt(int argc, char **argv,
2738 const char **poptarg, int *poptind)
2739 {
2740 const QEMUOption *popt;
2741 int optind = *poptind;
2742 char *r = argv[optind];
2743 const char *optarg;
2744
2745 loc_set_cmdline(argv, optind, 1);
2746 optind++;
2747 /* Treat --foo the same as -foo. */
2748 if (r[1] == '-')
2749 r++;
2750 popt = qemu_options;
2751 for(;;) {
2752 if (!popt->name) {
2753 error_report("invalid option");
2754 exit(1);
2755 }
2756 if (!strcmp(popt->name, r + 1))
2757 break;
2758 popt++;
2759 }
2760 if (popt->flags & HAS_ARG) {
2761 if (optind >= argc) {
2762 error_report("requires an argument");
2763 exit(1);
2764 }
2765 optarg = argv[optind++];
2766 loc_set_cmdline(argv, optind - 2, 2);
2767 } else {
2768 optarg = NULL;
2769 }
2770
2771 *poptarg = optarg;
2772 *poptind = optind;
2773
2774 return popt;
2775 }
2776
2777 static MachineClass *select_machine(void)
2778 {
2779 MachineClass *machine_class = find_default_machine();
2780 const char *optarg;
2781 QemuOpts *opts;
2782 Location loc;
2783
2784 loc_push_none(&loc);
2785
2786 opts = qemu_get_machine_opts();
2787 qemu_opts_loc_restore(opts);
2788
2789 optarg = qemu_opt_get(opts, "type");
2790 if (optarg) {
2791 machine_class = machine_parse(optarg);
2792 }
2793
2794 if (!machine_class) {
2795 error_report("No machine specified, and there is no default");
2796 error_printf("Use -machine help to list supported machines\n");
2797 exit(1);
2798 }
2799
2800 loc_pop(&loc);
2801 return machine_class;
2802 }
2803
2804 static int machine_set_property(void *opaque,
2805 const char *name, const char *value,
2806 Error **errp)
2807 {
2808 Object *obj = OBJECT(opaque);
2809 Error *local_err = NULL;
2810 char *p, *qom_name;
2811
2812 if (strcmp(name, "type") == 0) {
2813 return 0;
2814 }
2815
2816 qom_name = g_strdup(name);
2817 for (p = qom_name; *p; p++) {
2818 if (*p == '_') {
2819 *p = '-';
2820 }
2821 }
2822
2823 object_property_parse(obj, value, qom_name, &local_err);
2824 g_free(qom_name);
2825
2826 if (local_err) {
2827 error_report_err(local_err);
2828 return -1;
2829 }
2830
2831 return 0;
2832 }
2833
2834
2835 /*
2836 * Initial object creation happens before all other
2837 * QEMU data types are created. The majority of objects
2838 * can be created at this point. The rng-egd object
2839 * cannot be created here, as it depends on the chardev
2840 * already existing.
2841 */
2842 static bool object_create_initial(const char *type)
2843 {
2844 if (g_str_equal(type, "rng-egd")) {
2845 return false;
2846 }
2847
2848 /*
2849 * return false for concrete netfilters since
2850 * they depend on netdevs already existing
2851 */
2852 if (g_str_equal(type, "filter-buffer") ||
2853 g_str_equal(type, "filter-dump") ||
2854 g_str_equal(type, "filter-mirror") ||
2855 g_str_equal(type, "filter-redirector") ||
2856 g_str_equal(type, "colo-compare") ||
2857 g_str_equal(type, "filter-rewriter") ||
2858 g_str_equal(type, "filter-replay")) {
2859 return false;
2860 }
2861
2862 /* Memory allocation by backends needs to be done
2863 * after configure_accelerator() (due to the tcg_enabled()
2864 * checks at memory_region_init_*()).
2865 *
2866 * Also, allocation of large amounts of memory may delay
2867 * chardev initialization for too long, and trigger timeouts
2868 * on software that waits for a monitor socket to be created
2869 * (e.g. libvirt).
2870 */
2871 if (g_str_has_prefix(type, "memory-backend-")) {
2872 return false;
2873 }
2874
2875 return true;
2876 }
2877
2878
2879 /*
2880 * The remainder of object creation happens after the
2881 * creation of chardev, fsdev, net clients and device data types.
2882 */
2883 static bool object_create_delayed(const char *type)
2884 {
2885 return !object_create_initial(type);
2886 }
2887
2888
2889 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2890 MachineClass *mc)
2891 {
2892 uint64_t sz;
2893 const char *mem_str;
2894 const char *maxmem_str, *slots_str;
2895 const ram_addr_t default_ram_size = mc->default_ram_size;
2896 QemuOpts *opts = qemu_find_opts_singleton("memory");
2897 Location loc;
2898
2899 loc_push_none(&loc);
2900 qemu_opts_loc_restore(opts);
2901
2902 sz = 0;
2903 mem_str = qemu_opt_get(opts, "size");
2904 if (mem_str) {
2905 if (!*mem_str) {
2906 error_report("missing 'size' option value");
2907 exit(EXIT_FAILURE);
2908 }
2909
2910 sz = qemu_opt_get_size(opts, "size", ram_size);
2911
2912 /* Fix up legacy suffix-less format */
2913 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2914 uint64_t overflow_check = sz;
2915
2916 sz <<= 20;
2917 if ((sz >> 20) != overflow_check) {
2918 error_report("too large 'size' option value");
2919 exit(EXIT_FAILURE);
2920 }
2921 }
2922 }
2923
2924 /* backward compatibility behaviour for case "-m 0" */
2925 if (sz == 0) {
2926 sz = default_ram_size;
2927 }
2928
2929 sz = QEMU_ALIGN_UP(sz, 8192);
2930 ram_size = sz;
2931 if (ram_size != sz) {
2932 error_report("ram size too large");
2933 exit(EXIT_FAILURE);
2934 }
2935
2936 /* store value for the future use */
2937 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2938 *maxram_size = ram_size;
2939
2940 maxmem_str = qemu_opt_get(opts, "maxmem");
2941 slots_str = qemu_opt_get(opts, "slots");
2942 if (maxmem_str && slots_str) {
2943 uint64_t slots;
2944
2945 sz = qemu_opt_get_size(opts, "maxmem", 0);
2946 slots = qemu_opt_get_number(opts, "slots", 0);
2947 if (sz < ram_size) {
2948 error_report("invalid value of -m option maxmem: "
2949 "maximum memory size (0x%" PRIx64 ") must be at least "
2950 "the initial memory size (0x" RAM_ADDR_FMT ")",
2951 sz, ram_size);
2952 exit(EXIT_FAILURE);
2953 } else if (sz > ram_size) {
2954 if (!slots) {
2955 error_report("invalid value of -m option: maxmem was "
2956 "specified, but no hotplug slots were specified");
2957 exit(EXIT_FAILURE);
2958 }
2959 } else if (slots) {
2960 error_report("invalid value of -m option maxmem: "
2961 "memory slots were specified but maximum memory size "
2962 "(0x%" PRIx64 ") is equal to the initial memory size "
2963 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2964 exit(EXIT_FAILURE);
2965 }
2966
2967 *maxram_size = sz;
2968 *ram_slots = slots;
2969 } else if ((!maxmem_str && slots_str) ||
2970 (maxmem_str && !slots_str)) {
2971 error_report("invalid -m option value: missing "
2972 "'%s' option", slots_str ? "maxmem" : "slots");
2973 exit(EXIT_FAILURE);
2974 }
2975
2976 loc_pop(&loc);
2977 }
2978
2979 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2980 {
2981 GlobalProperty *g;
2982
2983 g = g_malloc0(sizeof(*g));
2984 g->driver = qemu_opt_get(opts, "driver");
2985 g->property = qemu_opt_get(opts, "property");
2986 g->value = qemu_opt_get(opts, "value");
2987 g->user_provided = true;
2988 g->errp = &error_fatal;
2989 qdev_prop_register_global(g);
2990 return 0;
2991 }
2992
2993 int main(int argc, char **argv, char **envp)
2994 {
2995 int i;
2996 int snapshot, linux_boot;
2997 const char *initrd_filename;
2998 const char *kernel_filename, *kernel_cmdline;
2999 const char *boot_order = NULL;
3000 const char *boot_once = NULL;
3001 DisplayState *ds;
3002 int cyls, heads, secs, translation;
3003 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3004 QemuOptsList *olist;
3005 int optind;
3006 const char *optarg;
3007 const char *loadvm = NULL;
3008 MachineClass *machine_class;
3009 const char *cpu_model;
3010 const char *vga_model = NULL;
3011 const char *qtest_chrdev = NULL;
3012 const char *qtest_log = NULL;
3013 const char *pid_file = NULL;
3014 const char *incoming = NULL;
3015 bool defconfig = true;
3016 bool userconfig = true;
3017 bool nographic = false;
3018 DisplayType display_type = DT_DEFAULT;
3019 int display_remote = 0;
3020 const char *log_mask = NULL;
3021 const char *log_file = NULL;
3022 char *trace_file = NULL;
3023 ram_addr_t maxram_size;
3024 uint64_t ram_slots = 0;
3025 FILE *vmstate_dump_file = NULL;
3026 Error *main_loop_err = NULL;
3027 Error *err = NULL;
3028 bool list_data_dirs = false;
3029
3030 module_call_init(MODULE_INIT_TRACE);
3031
3032 qemu_init_cpu_list();
3033 qemu_init_cpu_loop();
3034 qemu_mutex_lock_iothread();
3035
3036 atexit(qemu_run_exit_notifiers);
3037 error_set_progname(argv[0]);
3038 qemu_init_exec_dir(argv[0]);
3039
3040 module_call_init(MODULE_INIT_QOM);
3041 module_call_init(MODULE_INIT_QAPI);
3042
3043 qemu_add_opts(&qemu_drive_opts);
3044 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3045 qemu_add_drive_opts(&qemu_common_drive_opts);
3046 qemu_add_drive_opts(&qemu_drive_opts);
3047 qemu_add_drive_opts(&bdrv_runtime_opts);
3048 qemu_add_opts(&qemu_chardev_opts);
3049 qemu_add_opts(&qemu_device_opts);
3050 qemu_add_opts(&qemu_netdev_opts);
3051 qemu_add_opts(&qemu_net_opts);
3052 qemu_add_opts(&qemu_rtc_opts);
3053 qemu_add_opts(&qemu_global_opts);
3054 qemu_add_opts(&qemu_mon_opts);
3055 qemu_add_opts(&qemu_trace_opts);
3056 qemu_add_opts(&qemu_option_rom_opts);
3057 qemu_add_opts(&qemu_machine_opts);
3058 qemu_add_opts(&qemu_mem_opts);
3059 qemu_add_opts(&qemu_smp_opts);
3060 qemu_add_opts(&qemu_boot_opts);
3061 qemu_add_opts(&qemu_sandbox_opts);
3062 qemu_add_opts(&qemu_add_fd_opts);
3063 qemu_add_opts(&qemu_object_opts);
3064 qemu_add_opts(&qemu_tpmdev_opts);
3065 qemu_add_opts(&qemu_realtime_opts);
3066 qemu_add_opts(&qemu_msg_opts);
3067 qemu_add_opts(&qemu_name_opts);
3068 qemu_add_opts(&qemu_numa_opts);
3069 qemu_add_opts(&qemu_icount_opts);
3070 qemu_add_opts(&qemu_semihosting_config_opts);
3071 qemu_add_opts(&qemu_fw_cfg_opts);
3072 #ifdef CONFIG_LIBISCSI
3073 qemu_add_opts(&qemu_iscsi_opts);
3074 #endif
3075 module_call_init(MODULE_INIT_OPTS);
3076
3077 runstate_init();
3078
3079 if (qcrypto_init(&err) < 0) {
3080 error_reportf_err(err, "cannot initialize crypto: ");
3081 exit(1);
3082 }
3083 rtc_clock = QEMU_CLOCK_HOST;
3084
3085 QLIST_INIT (&vm_change_state_head);
3086 os_setup_early_signal_handling();
3087
3088 cpu_model = NULL;
3089 snapshot = 0;
3090 cyls = heads = secs = 0;
3091 translation = BIOS_ATA_TRANSLATION_AUTO;
3092
3093 nb_nics = 0;
3094
3095 bdrv_init_with_whitelist();
3096
3097 autostart = 1;
3098
3099 /* first pass of option parsing */
3100 optind = 1;
3101 while (optind < argc) {
3102 if (argv[optind][0] != '-') {
3103 /* disk image */
3104 optind++;
3105 } else {
3106 const QEMUOption *popt;
3107
3108 popt = lookup_opt(argc, argv, &optarg, &optind);
3109 switch (popt->index) {
3110 case QEMU_OPTION_nodefconfig:
3111 defconfig = false;
3112 break;
3113 case QEMU_OPTION_nouserconfig:
3114 userconfig = false;
3115 break;
3116 }
3117 }
3118 }
3119
3120 if (defconfig) {
3121 int ret;
3122 ret = qemu_read_default_config_files(userconfig);
3123 if (ret < 0) {
3124 exit(1);
3125 }
3126 }
3127
3128 /* second pass of option parsing */
3129 optind = 1;
3130 for(;;) {
3131 if (optind >= argc)
3132 break;
3133 if (argv[optind][0] != '-') {
3134 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3135 } else {
3136 const QEMUOption *popt;
3137
3138 popt = lookup_opt(argc, argv, &optarg, &optind);
3139 if (!(popt->arch_mask & arch_type)) {
3140 error_report("Option not supported for this target");
3141 exit(1);
3142 }
3143 switch(popt->index) {
3144 case QEMU_OPTION_no_kvm_irqchip: {
3145 olist = qemu_find_opts("machine");
3146 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3147 break;
3148 }
3149 case QEMU_OPTION_cpu:
3150 /* hw initialization will check this */
3151 cpu_model = optarg;
3152 break;
3153 case QEMU_OPTION_hda:
3154 {
3155 char buf[256];
3156 if (cyls == 0)
3157 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3158 else
3159 snprintf(buf, sizeof(buf),
3160 "%s,cyls=%d,heads=%d,secs=%d%s",
3161 HD_OPTS , cyls, heads, secs,
3162 translation == BIOS_ATA_TRANSLATION_LBA ?
3163 ",trans=lba" :
3164 translation == BIOS_ATA_TRANSLATION_NONE ?
3165 ",trans=none" : "");
3166 drive_add(IF_DEFAULT, 0, optarg, buf);
3167 break;
3168 }
3169 case QEMU_OPTION_hdb:
3170 case QEMU_OPTION_hdc:
3171 case QEMU_OPTION_hdd:
3172 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3173 HD_OPTS);
3174 break;
3175 case QEMU_OPTION_drive:
3176 if (drive_def(optarg) == NULL) {
3177 exit(1);
3178 }
3179 break;
3180 case QEMU_OPTION_set:
3181 if (qemu_set_option(optarg) != 0)
3182 exit(1);
3183 break;
3184 case QEMU_OPTION_global:
3185 if (qemu_global_option(optarg) != 0)
3186 exit(1);
3187 break;
3188 case QEMU_OPTION_mtdblock:
3189 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3190 break;
3191 case QEMU_OPTION_sd:
3192 drive_add(IF_SD, -1, optarg, SD_OPTS);
3193 break;
3194 case QEMU_OPTION_pflash:
3195 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3196 break;
3197 case QEMU_OPTION_snapshot:
3198 snapshot = 1;
3199 break;
3200 case QEMU_OPTION_hdachs:
3201 {
3202 const char *p;
3203 p = optarg;
3204 cyls = strtol(p, (char **)&p, 0);
3205 if (cyls < 1 || cyls > 16383)
3206 goto chs_fail;
3207 if (*p != ',')
3208 goto chs_fail;
3209 p++;
3210 heads = strtol(p, (char **)&p, 0);
3211 if (heads < 1 || heads > 16)
3212 goto chs_fail;
3213 if (*p != ',')
3214 goto chs_fail;
3215 p++;
3216 secs = strtol(p, (char **)&p, 0);
3217 if (secs < 1 || secs > 63)
3218 goto chs_fail;
3219 if (*p == ',') {
3220 p++;
3221 if (!strcmp(p, "large")) {
3222 translation = BIOS_ATA_TRANSLATION_LARGE;
3223 } else if (!strcmp(p, "rechs")) {
3224 translation = BIOS_ATA_TRANSLATION_RECHS;
3225 } else if (!strcmp(p, "none")) {
3226 translation = BIOS_ATA_TRANSLATION_NONE;
3227 } else if (!strcmp(p, "lba")) {
3228 translation = BIOS_ATA_TRANSLATION_LBA;
3229 } else if (!strcmp(p, "auto")) {
3230 translation = BIOS_ATA_TRANSLATION_AUTO;
3231 } else {
3232 goto chs_fail;
3233 }
3234 } else if (*p != '\0') {
3235 chs_fail:
3236 error_report("invalid physical CHS format");
3237 exit(1);
3238 }
3239 if (hda_opts != NULL) {
3240 qemu_opt_set_number(hda_opts, "cyls", cyls,
3241 &error_abort);
3242 qemu_opt_set_number(hda_opts, "heads", heads,
3243 &error_abort);
3244 qemu_opt_set_number(hda_opts, "secs", secs,
3245 &error_abort);
3246 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3247 qemu_opt_set(hda_opts, "trans", "large",
3248 &error_abort);
3249 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3250 qemu_opt_set(hda_opts, "trans", "rechs",
3251 &error_abort);
3252 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3253 qemu_opt_set(hda_opts, "trans", "lba",
3254 &error_abort);
3255 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3256 qemu_opt_set(hda_opts, "trans", "none",
3257 &error_abort);
3258 }
3259 }
3260 }
3261 break;
3262 case QEMU_OPTION_numa:
3263 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3264 optarg, true);
3265 if (!opts) {
3266 exit(1);
3267 }
3268 break;
3269 case QEMU_OPTION_display:
3270 display_type = select_display(optarg);
3271 break;
3272 case QEMU_OPTION_nographic:
3273 olist = qemu_find_opts("machine");
3274 qemu_opts_parse_noisily(olist, "graphics=off", false);
3275 nographic = true;
3276 display_type = DT_NONE;
3277 break;
3278 case QEMU_OPTION_curses:
3279 #ifdef CONFIG_CURSES
3280 display_type = DT_CURSES;
3281 #else
3282 error_report("curses support is disabled");
3283 exit(1);
3284 #endif
3285 break;
3286 case QEMU_OPTION_portrait:
3287 graphic_rotate = 90;
3288 break;
3289 case QEMU_OPTION_rotate:
3290 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3291 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3292 graphic_rotate != 180 && graphic_rotate != 270) {
3293 error_report("only 90, 180, 270 deg rotation is available");
3294 exit(1);
3295 }
3296 break;
3297 case QEMU_OPTION_kernel:
3298 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3299 &error_abort);
3300 break;
3301 case QEMU_OPTION_initrd:
3302 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3303 &error_abort);
3304 break;
3305 case QEMU_OPTION_append:
3306 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3307 &error_abort);
3308 break;
3309 case QEMU_OPTION_dtb:
3310 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3311 &error_abort);
3312 break;
3313 case QEMU_OPTION_cdrom:
3314 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3315 break;
3316 case QEMU_OPTION_boot:
3317 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3318 optarg, true);
3319 if (!opts) {
3320 exit(1);
3321 }
3322 break;
3323 case QEMU_OPTION_fda:
3324 case QEMU_OPTION_fdb:
3325 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3326 optarg, FD_OPTS);
3327 break;
3328 case QEMU_OPTION_no_fd_bootchk:
3329 fd_bootchk = 0;
3330 break;
3331 case QEMU_OPTION_netdev:
3332 default_net = 0;
3333 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3334 exit(1);
3335 }
3336 break;
3337 case QEMU_OPTION_net:
3338 default_net = 0;
3339 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3340 exit(1);
3341 }
3342 break;
3343 #ifdef CONFIG_LIBISCSI
3344 case QEMU_OPTION_iscsi:
3345 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3346 optarg, false);
3347 if (!opts) {
3348 exit(1);
3349 }
3350 break;
3351 #endif
3352 #ifdef CONFIG_SLIRP
3353 case QEMU_OPTION_tftp:
3354 error_report("The -tftp option is deprecated. "
3355 "Please use '-netdev user,tftp=...' instead.");
3356 legacy_tftp_prefix = optarg;
3357 break;
3358 case QEMU_OPTION_bootp:
3359 error_report("The -bootp option is deprecated. "
3360 "Please use '-netdev user,bootfile=...' instead.");
3361 legacy_bootp_filename = optarg;
3362 break;
3363 case QEMU_OPTION_redir:
3364 error_report("The -redir option is deprecated. "
3365 "Please use '-netdev user,hostfwd=...' instead.");
3366 if (net_slirp_redir(optarg) < 0)
3367 exit(1);
3368 break;
3369 #endif
3370 case QEMU_OPTION_bt:
3371 add_device_config(DEV_BT, optarg);
3372 break;
3373 case QEMU_OPTION_audio_help:
3374 AUD_help ();
3375 exit (0);
3376 break;
3377 case QEMU_OPTION_soundhw:
3378 select_soundhw (optarg);
3379 break;
3380 case QEMU_OPTION_h:
3381 help(0);
3382 break;
3383 case QEMU_OPTION_version:
3384 version();
3385 exit(0);
3386 break;
3387 case QEMU_OPTION_m:
3388 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3389 optarg, true);
3390 if (!opts) {
3391 exit(EXIT_FAILURE);
3392 }
3393 break;
3394 #ifdef CONFIG_TPM
3395 case QEMU_OPTION_tpmdev:
3396 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3397 exit(1);
3398 }
3399 break;
3400 #endif
3401 case QEMU_OPTION_mempath:
3402 mem_path = optarg;
3403 break;
3404 case QEMU_OPTION_mem_prealloc:
3405 mem_prealloc = 1;
3406 break;
3407 case QEMU_OPTION_d:
3408 log_mask = optarg;
3409 break;
3410 case QEMU_OPTION_D:
3411 log_file = optarg;
3412 break;
3413 case QEMU_OPTION_DFILTER:
3414 qemu_set_dfilter_ranges(optarg, &error_fatal);
3415 break;
3416 case QEMU_OPTION_s:
3417 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3418 break;
3419 case QEMU_OPTION_gdb:
3420 add_device_config(DEV_GDB, optarg);
3421 break;
3422 case QEMU_OPTION_L:
3423 if (is_help_option(optarg)) {
3424 list_data_dirs = true;
3425 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3426 data_dir[data_dir_idx++] = optarg;
3427 }
3428 break;
3429 case QEMU_OPTION_bios:
3430 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3431 &error_abort);
3432 break;
3433 case QEMU_OPTION_singlestep:
3434 singlestep = 1;
3435 break;
3436 case QEMU_OPTION_S:
3437 autostart = 0;
3438 break;
3439 case QEMU_OPTION_k:
3440 keyboard_layout = optarg;
3441 break;
3442 case QEMU_OPTION_localtime:
3443 rtc_utc = 0;
3444 break;
3445 case QEMU_OPTION_vga:
3446 vga_model = optarg;
3447 default_vga = 0;
3448 break;
3449 case QEMU_OPTION_g:
3450 {
3451 const char *p;
3452 int w, h, depth;
3453 p = optarg;
3454 w = strtol(p, (char **)&p, 10);
3455 if (w <= 0) {
3456 graphic_error:
3457 error_report("invalid resolution or depth");
3458 exit(1);
3459 }
3460 if (*p != 'x')
3461 goto graphic_error;
3462 p++;
3463 h = strtol(p, (char **)&p, 10);
3464 if (h <= 0)
3465 goto graphic_error;
3466 if (*p == 'x') {
3467 p++;
3468 depth = strtol(p, (char **)&p, 10);
3469 if (depth != 8 && depth != 15 && depth != 16 &&
3470 depth != 24 && depth != 32)
3471 goto graphic_error;
3472 } else if (*p == '\0') {
3473 depth = graphic_depth;
3474 } else {
3475 goto graphic_error;
3476 }
3477
3478 graphic_width = w;
3479 graphic_height = h;
3480 graphic_depth = depth;
3481 }
3482 break;
3483 case QEMU_OPTION_echr:
3484 {
3485 char *r;
3486 term_escape_char = strtol(optarg, &r, 0);
3487 if (r == optarg)
3488 printf("Bad argument to echr\n");
3489 break;
3490 }
3491 case QEMU_OPTION_monitor:
3492 default_monitor = 0;
3493 if (strncmp(optarg, "none", 4)) {
3494 monitor_parse(optarg, "readline", false);
3495 }
3496 break;
3497 case QEMU_OPTION_qmp:
3498 monitor_parse(optarg, "control", false);
3499 default_monitor = 0;
3500 break;
3501 case QEMU_OPTION_qmp_pretty:
3502 monitor_parse(optarg, "control", true);
3503 default_monitor = 0;
3504 break;
3505 case QEMU_OPTION_mon:
3506 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3507 true);
3508 if (!opts) {
3509 exit(1);
3510 }
3511 default_monitor = 0;
3512 break;
3513 case QEMU_OPTION_chardev:
3514 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3515 optarg, true);
3516 if (!opts) {
3517 exit(1);
3518 }
3519 break;
3520 case QEMU_OPTION_fsdev:
3521 olist = qemu_find_opts("fsdev");
3522 if (!olist) {
3523 error_report("fsdev support is disabled");
3524 exit(1);
3525 }
3526 opts = qemu_opts_parse_noisily(olist, optarg, true);
3527 if (!opts) {
3528 exit(1);
3529 }
3530 break;
3531 case QEMU_OPTION_virtfs: {
3532 QemuOpts *fsdev;
3533 QemuOpts *device;
3534 const char *writeout, *sock_fd, *socket;
3535
3536 olist = qemu_find_opts("virtfs");
3537 if (!olist) {
3538 error_report("virtfs support is disabled");
3539 exit(1);
3540 }
3541 opts = qemu_opts_parse_noisily(olist, optarg, true);
3542 if (!opts) {
3543 exit(1);
3544 }
3545
3546 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3547 qemu_opt_get(opts, "mount_tag") == NULL) {
3548 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3549 exit(1);
3550 }
3551 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3552 qemu_opt_get(opts, "mount_tag"),
3553 1, NULL);
3554 if (!fsdev) {
3555 error_report("duplicate fsdev id: %s",
3556 qemu_opt_get(opts, "mount_tag"));
3557 exit(1);
3558 }
3559
3560 writeout = qemu_opt_get(opts, "writeout");
3561 if (writeout) {
3562 #ifdef CONFIG_SYNC_FILE_RANGE
3563 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3564 #else
3565 error_report("writeout=immediate not supported "
3566 "on this platform");
3567 exit(1);
3568 #endif
3569 }
3570 qemu_opt_set(fsdev, "fsdriver",
3571 qemu_opt_get(opts, "fsdriver"), &error_abort);
3572 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3573 &error_abort);
3574 qemu_opt_set(fsdev, "security_model",
3575 qemu_opt_get(opts, "security_model"),
3576 &error_abort);
3577 socket = qemu_opt_get(opts, "socket");
3578 if (socket) {
3579 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3580 }
3581 sock_fd = qemu_opt_get(opts, "sock_fd");
3582 if (sock_fd) {
3583 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3584 }
3585
3586 qemu_opt_set_bool(fsdev, "readonly",
3587 qemu_opt_get_bool(opts, "readonly", 0),
3588 &error_abort);
3589 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3590 &error_abort);
3591 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3592 qemu_opt_set(device, "fsdev",
3593 qemu_opt_get(opts, "mount_tag"), &error_abort);
3594 qemu_opt_set(device, "mount_tag",
3595 qemu_opt_get(opts, "mount_tag"), &error_abort);
3596 break;
3597 }
3598 case QEMU_OPTION_virtfs_synth: {
3599 QemuOpts *fsdev;
3600 QemuOpts *device;
3601
3602 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3603 1, NULL);
3604 if (!fsdev) {
3605 error_report("duplicate option: %s", "virtfs_synth");
3606 exit(1);
3607 }
3608 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3609
3610 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3611 &error_abort);
3612 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3613 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3614 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3615 break;
3616 }
3617 case QEMU_OPTION_serial:
3618 add_device_config(DEV_SERIAL, optarg);
3619 default_serial = 0;
3620 if (strncmp(optarg, "mon:", 4) == 0) {
3621 default_monitor = 0;
3622 }
3623 break;
3624 case QEMU_OPTION_watchdog:
3625 if (watchdog) {
3626 error_report("only one watchdog option may be given");
3627 return 1;
3628 }
3629 watchdog = optarg;
3630 break;
3631 case QEMU_OPTION_watchdog_action:
3632 if (select_watchdog_action(optarg) == -1) {
3633 error_report("unknown -watchdog-action parameter");
3634 exit(1);
3635 }
3636 break;
3637 case QEMU_OPTION_virtiocon:
3638 add_device_config(DEV_VIRTCON, optarg);
3639 default_virtcon = 0;
3640 if (strncmp(optarg, "mon:", 4) == 0) {
3641 default_monitor = 0;
3642 }
3643 break;
3644 case QEMU_OPTION_parallel:
3645 add_device_config(DEV_PARALLEL, optarg);
3646 default_parallel = 0;
3647 if (strncmp(optarg, "mon:", 4) == 0) {
3648 default_monitor = 0;
3649 }
3650 break;
3651 case QEMU_OPTION_debugcon:
3652 add_device_config(DEV_DEBUGCON, optarg);
3653 break;
3654 case QEMU_OPTION_loadvm:
3655 loadvm = optarg;
3656 break;
3657 case QEMU_OPTION_full_screen:
3658 full_screen = 1;
3659 break;
3660 case QEMU_OPTION_no_frame:
3661 no_frame = 1;
3662 break;
3663 case QEMU_OPTION_alt_grab:
3664 alt_grab = 1;
3665 break;
3666 case QEMU_OPTION_ctrl_grab:
3667 ctrl_grab = 1;
3668 break;
3669 case QEMU_OPTION_no_quit:
3670 no_quit = 1;
3671 break;
3672 case QEMU_OPTION_sdl:
3673 #ifdef CONFIG_SDL
3674 display_type = DT_SDL;
3675 break;
3676 #else
3677 error_report("SDL support is disabled");
3678 exit(1);
3679 #endif
3680 case QEMU_OPTION_pidfile:
3681 pid_file = optarg;
3682 break;
3683 case QEMU_OPTION_win2k_hack:
3684 win2k_install_hack = 1;
3685 break;
3686 case QEMU_OPTION_rtc_td_hack: {
3687 static GlobalProperty slew_lost_ticks = {
3688 .driver = "mc146818rtc",
3689 .property = "lost_tick_policy",
3690 .value = "slew",
3691 };
3692
3693 qdev_prop_register_global(&slew_lost_ticks);
3694 break;
3695 }
3696 case QEMU_OPTION_acpitable:
3697 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3698 optarg, true);
3699 if (!opts) {
3700 exit(1);
3701 }
3702 do_acpitable_option(opts);
3703 break;
3704 case QEMU_OPTION_smbios:
3705 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3706 optarg, false);
3707 if (!opts) {
3708 exit(1);
3709 }
3710 do_smbios_option(opts);
3711 break;
3712 case QEMU_OPTION_fwcfg:
3713 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3714 optarg, true);
3715 if (opts == NULL) {
3716 exit(1);
3717 }
3718 break;
3719 case QEMU_OPTION_enable_kvm:
3720 olist = qemu_find_opts("machine");
3721 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3722 break;
3723 case QEMU_OPTION_M:
3724 case QEMU_OPTION_machine:
3725 olist = qemu_find_opts("machine");
3726 opts = qemu_opts_parse_noisily(olist, optarg, true);
3727 if (!opts) {
3728 exit(1);
3729 }
3730 break;
3731 case QEMU_OPTION_no_kvm:
3732 olist = qemu_find_opts("machine");
3733 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3734 break;
3735 case QEMU_OPTION_no_kvm_pit: {
3736 error_report("warning: ignoring deprecated option");
3737 break;
3738 }
3739 case QEMU_OPTION_no_kvm_pit_reinjection: {
3740 static GlobalProperty kvm_pit_lost_tick_policy = {
3741 .driver = "kvm-pit",
3742 .property = "lost_tick_policy",
3743 .value = "discard",
3744 };
3745
3746 error_report("warning: deprecated, replaced by "
3747 "-global kvm-pit.lost_tick_policy=discard");
3748 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3749 break;
3750 }
3751 case QEMU_OPTION_usb:
3752 olist = qemu_find_opts("machine");
3753 qemu_opts_parse_noisily(olist, "usb=on", false);
3754 break;
3755 case QEMU_OPTION_usbdevice:
3756 olist = qemu_find_opts("machine");
3757 qemu_opts_parse_noisily(olist, "usb=on", false);
3758 add_device_config(DEV_USB, optarg);
3759 break;
3760 case QEMU_OPTION_device:
3761 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3762 optarg, true)) {
3763 exit(1);
3764 }
3765 break;
3766 case QEMU_OPTION_smp:
3767 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3768 optarg, true)) {
3769 exit(1);
3770 }
3771 break;
3772 case QEMU_OPTION_vnc:
3773 vnc_parse(optarg, &error_fatal);
3774 break;
3775 case QEMU_OPTION_no_acpi:
3776 acpi_enabled = 0;
3777 break;
3778 case QEMU_OPTION_no_hpet:
3779 no_hpet = 1;
3780 break;
3781 case QEMU_OPTION_balloon:
3782 if (balloon_parse(optarg) < 0) {
3783 error_report("unknown -balloon argument %s", optarg);
3784 exit(1);
3785 }
3786 break;
3787 case QEMU_OPTION_no_reboot:
3788 no_reboot = 1;
3789 break;
3790 case QEMU_OPTION_no_shutdown:
3791 no_shutdown = 1;
3792 break;
3793 case QEMU_OPTION_show_cursor:
3794 cursor_hide = 0;
3795 break;
3796 case QEMU_OPTION_uuid:
3797 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3798 error_report("failed to parse UUID string: wrong format");
3799 exit(1);
3800 }
3801 qemu_uuid_set = true;
3802 break;
3803 case QEMU_OPTION_option_rom:
3804 if (nb_option_roms >= MAX_OPTION_ROMS) {
3805 error_report("too many option ROMs");
3806 exit(1);
3807 }
3808 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3809 optarg, true);
3810 if (!opts) {
3811 exit(1);
3812 }
3813 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3814 option_rom[nb_option_roms].bootindex =
3815 qemu_opt_get_number(opts, "bootindex", -1);
3816 if (!option_rom[nb_option_roms].name) {
3817 error_report("Option ROM file is not specified");
3818 exit(1);
3819 }
3820 nb_option_roms++;
3821 break;
3822 case QEMU_OPTION_semihosting:
3823 semihosting.enabled = true;
3824 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3825 break;
3826 case QEMU_OPTION_semihosting_config:
3827 semihosting.enabled = true;
3828 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3829 optarg, false);
3830 if (opts != NULL) {
3831 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3832 true);
3833 const char *target = qemu_opt_get(opts, "target");
3834 if (target != NULL) {
3835 if (strcmp("native", target) == 0) {
3836 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3837 } else if (strcmp("gdb", target) == 0) {
3838 semihosting.target = SEMIHOSTING_TARGET_GDB;
3839 } else if (strcmp("auto", target) == 0) {
3840 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3841 } else {
3842 error_report("unsupported semihosting-config %s",
3843 optarg);
3844 exit(1);
3845 }
3846 } else {
3847 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3848 }
3849 /* Set semihosting argument count and vector */
3850 qemu_opt_foreach(opts, add_semihosting_arg,
3851 &semihosting, NULL);
3852 } else {
3853 error_report("unsupported semihosting-config %s", optarg);
3854 exit(1);
3855 }
3856 break;
3857 case QEMU_OPTION_tdf:
3858 error_report("warning: ignoring deprecated option");
3859 break;
3860 case QEMU_OPTION_name:
3861 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3862 optarg, true);
3863 if (!opts) {
3864 exit(1);
3865 }
3866 break;
3867 case QEMU_OPTION_prom_env:
3868 if (nb_prom_envs >= MAX_PROM_ENVS) {
3869 error_report("too many prom variables");
3870 exit(1);
3871 }
3872 prom_envs[nb_prom_envs] = optarg;
3873 nb_prom_envs++;
3874 break;
3875 case QEMU_OPTION_old_param:
3876 old_param = 1;
3877 break;
3878 case QEMU_OPTION_clock:
3879 /* Clock options no longer exist. Keep this option for
3880 * backward compatibility.
3881 */
3882 break;
3883 case QEMU_OPTION_startdate:
3884 configure_rtc_date_offset(optarg, 1);
3885 break;
3886 case QEMU_OPTION_rtc:
3887 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3888 false);
3889 if (!opts) {
3890 exit(1);
3891 }
3892 configure_rtc(opts);
3893 break;
3894 case QEMU_OPTION_tb_size:
3895 tcg_tb_size = strtol(optarg, NULL, 0);
3896 if (tcg_tb_size < 0) {
3897 tcg_tb_size = 0;
3898 }
3899 break;
3900 case QEMU_OPTION_icount:
3901 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3902 optarg, true);
3903 if (!icount_opts) {
3904 exit(1);
3905 }
3906 break;
3907 case QEMU_OPTION_incoming:
3908 if (!incoming) {
3909 runstate_set(RUN_STATE_INMIGRATE);
3910 }
3911 incoming = optarg;
3912 break;
3913 case QEMU_OPTION_nodefaults:
3914 has_defaults = 0;
3915 break;
3916 case QEMU_OPTION_xen_domid:
3917 if (!(xen_available())) {
3918 error_report("Option not supported for this target");
3919 exit(1);
3920 }
3921 xen_domid = atoi(optarg);
3922 break;
3923 case QEMU_OPTION_xen_create:
3924 if (!(xen_available())) {
3925 error_report("Option not supported for this target");
3926 exit(1);
3927 }
3928 xen_mode = XEN_CREATE;
3929 break;
3930 case QEMU_OPTION_xen_attach:
3931 if (!(xen_available())) {
3932 error_report("Option not supported for this target");
3933 exit(1);
3934 }
3935 xen_mode = XEN_ATTACH;
3936 break;
3937 case QEMU_OPTION_trace:
3938 g_free(trace_file);
3939 trace_file = trace_opt_parse(optarg);
3940 break;
3941 case QEMU_OPTION_readconfig:
3942 {
3943 int ret = qemu_read_config_file(optarg);
3944 if (ret < 0) {
3945 error_report("read config %s: %s", optarg,
3946 strerror(-ret));
3947 exit(1);
3948 }
3949 break;
3950 }
3951 case QEMU_OPTION_spice:
3952 olist = qemu_find_opts("spice");
3953 if (!olist) {
3954 error_report("spice support is disabled");
3955 exit(1);
3956 }
3957 opts = qemu_opts_parse_noisily(olist, optarg, false);
3958 if (!opts) {
3959 exit(1);
3960 }
3961 display_remote++;
3962 break;
3963 case QEMU_OPTION_writeconfig:
3964 {
3965 FILE *fp;
3966 if (strcmp(optarg, "-") == 0) {
3967 fp = stdout;
3968 } else {
3969 fp = fopen(optarg, "w");
3970 if (fp == NULL) {
3971 error_report("open %s: %s", optarg,
3972 strerror(errno));
3973 exit(1);
3974 }
3975 }
3976 qemu_config_write(fp);
3977 if (fp != stdout) {
3978 fclose(fp);
3979 }
3980 break;
3981 }
3982 case QEMU_OPTION_qtest:
3983 qtest_chrdev = optarg;
3984 break;
3985 case QEMU_OPTION_qtest_log:
3986 qtest_log = optarg;
3987 break;
3988 case QEMU_OPTION_sandbox:
3989 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3990 optarg, true);
3991 if (!opts) {
3992 exit(1);
3993 }
3994 break;
3995 case QEMU_OPTION_add_fd:
3996 #ifndef _WIN32
3997 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3998 optarg, false);
3999 if (!opts) {
4000 exit(1);
4001 }
4002 #else
4003 error_report("File descriptor passing is disabled on this "
4004 "platform");
4005 exit(1);
4006 #endif
4007 break;
4008 case QEMU_OPTION_object:
4009 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4010 optarg, true);
4011 if (!opts) {
4012 exit(1);
4013 }
4014 break;
4015 case QEMU_OPTION_realtime:
4016 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4017 optarg, false);
4018 if (!opts) {
4019 exit(1);
4020 }
4021 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4022 break;
4023 case QEMU_OPTION_msg:
4024 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4025 false);
4026 if (!opts) {
4027 exit(1);
4028 }
4029 configure_msg(opts);
4030 break;
4031 case QEMU_OPTION_dump_vmstate:
4032 if (vmstate_dump_file) {
4033 error_report("only one '-dump-vmstate' "
4034 "option may be given");
4035 exit(1);
4036 }
4037 vmstate_dump_file = fopen(optarg, "w");
4038 if (vmstate_dump_file == NULL) {
4039 error_report("open %s: %s", optarg, strerror(errno));
4040 exit(1);
4041 }
4042 break;
4043 default:
4044 os_parse_cmd_args(popt->index, optarg);
4045 }
4046 }
4047 }
4048 /*
4049 * Clear error location left behind by the loop.
4050 * Best done right after the loop. Do not insert code here!
4051 */
4052 loc_set_none();
4053
4054 replay_configure(icount_opts);
4055
4056 machine_class = select_machine();
4057
4058 set_memory_options(&ram_slots, &maxram_size, machine_class);
4059
4060 os_daemonize();
4061
4062 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4063 error_report("could not acquire pid file: %s", strerror(errno));
4064 exit(1);
4065 }
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 (qemu_opts_foreach(qemu_find_opts("device"),
4345 device_help_func, NULL, NULL)) {
4346 exit(0);
4347 }
4348
4349 machine_opts = qemu_get_machine_opts();
4350 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4351 NULL)) {
4352 object_unref(OBJECT(current_machine));
4353 exit(1);
4354 }
4355
4356 configure_accelerator(current_machine);
4357
4358 if (qtest_chrdev) {
4359 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4360 }
4361
4362 machine_opts = qemu_get_machine_opts();
4363 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4364 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4365 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4366 bios_name = qemu_opt_get(machine_opts, "firmware");
4367
4368 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4369 if (opts) {
4370 boot_order = qemu_opt_get(opts, "order");
4371 if (boot_order) {
4372 validate_bootdevices(boot_order, &error_fatal);
4373 }
4374
4375 boot_once = qemu_opt_get(opts, "once");
4376 if (boot_once) {
4377 validate_bootdevices(boot_once, &error_fatal);
4378 }
4379
4380 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4381 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4382 }
4383
4384 if (!boot_order) {
4385 boot_order = machine_class->default_boot_order;
4386 }
4387
4388 if (!kernel_cmdline) {
4389 kernel_cmdline = "";
4390 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4391 }
4392
4393 linux_boot = (kernel_filename != NULL);
4394
4395 if (!linux_boot && *kernel_cmdline != '\0') {
4396 error_report("-append only allowed with -kernel option");
4397 exit(1);
4398 }
4399
4400 if (!linux_boot && initrd_filename != NULL) {
4401 error_report("-initrd only allowed with -kernel option");
4402 exit(1);
4403 }
4404
4405 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4406 /* fall back to the -kernel/-append */
4407 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4408 }
4409
4410 os_set_line_buffering();
4411
4412 /* spice needs the timers to be initialized by this point */
4413 qemu_spice_init();
4414
4415 cpu_ticks_init();
4416 if (icount_opts) {
4417 if (kvm_enabled() || xen_enabled()) {
4418 error_report("-icount is not allowed with kvm or xen");
4419 exit(1);
4420 }
4421 configure_icount(icount_opts, &error_abort);
4422 qemu_opts_del(icount_opts);
4423 }
4424
4425 if (default_net) {
4426 QemuOptsList *net = qemu_find_opts("net");
4427 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4428 #ifdef CONFIG_SLIRP
4429 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4430 #endif
4431 }
4432
4433 colo_info_init();
4434
4435 if (net_init_clients() < 0) {
4436 exit(1);
4437 }
4438
4439 if (qemu_opts_foreach(qemu_find_opts("object"),
4440 user_creatable_add_opts_foreach,
4441 object_create_delayed, NULL)) {
4442 exit(1);
4443 }
4444
4445 #ifdef CONFIG_TPM
4446 if (tpm_init() < 0) {
4447 exit(1);
4448 }
4449 #endif
4450
4451 /* init the bluetooth world */
4452 if (foreach_device_config(DEV_BT, bt_parse))
4453 exit(1);
4454
4455 if (!xen_enabled()) {
4456 /* On 32-bit hosts, QEMU is limited by virtual address space */
4457 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4458 error_report("at most 2047 MB RAM can be simulated");
4459 exit(1);
4460 }
4461 }
4462
4463 blk_mig_init();
4464 ram_mig_init();
4465
4466 /* If the currently selected machine wishes to override the units-per-bus
4467 * property of its default HBA interface type, do so now. */
4468 if (machine_class->units_per_default_bus) {
4469 override_max_devs(machine_class->block_default_type,
4470 machine_class->units_per_default_bus);
4471 }
4472
4473 /* open the virtual block devices */
4474 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4475 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4476 NULL, NULL);
4477 }
4478 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4479 &machine_class->block_default_type, NULL)) {
4480 exit(1);
4481 }
4482
4483 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4484 CDROM_OPTS);
4485 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4486 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4487
4488 parse_numa_opts(machine_class);
4489
4490 if (qemu_opts_foreach(qemu_find_opts("mon"),
4491 mon_init_func, NULL, NULL)) {
4492 exit(1);
4493 }
4494
4495 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4496 exit(1);
4497 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4498 exit(1);
4499 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4500 exit(1);
4501 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4502 exit(1);
4503 }
4504 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4505 exit(1);
4506
4507 /* If no default VGA is requested, the default is "none". */
4508 if (default_vga) {
4509 if (machine_class->default_display) {
4510 vga_model = machine_class->default_display;
4511 } else if (vga_interface_available(VGA_CIRRUS)) {
4512 vga_model = "cirrus";
4513 } else if (vga_interface_available(VGA_STD)) {
4514 vga_model = "std";
4515 }
4516 }
4517 if (vga_model) {
4518 select_vgahw(vga_model);
4519 }
4520
4521 if (watchdog) {
4522 i = select_watchdog(watchdog);
4523 if (i > 0)
4524 exit (i == 1 ? 1 : 0);
4525 }
4526
4527 machine_register_compat_props(current_machine);
4528
4529 qemu_opts_foreach(qemu_find_opts("global"),
4530 global_init_func, NULL, NULL);
4531
4532 /* This checkpoint is required by replay to separate prior clock
4533 reading from the other reads, because timer polling functions query
4534 clock values from the log. */
4535 replay_checkpoint(CHECKPOINT_INIT);
4536 qdev_machine_init();
4537
4538 current_machine->ram_size = ram_size;
4539 current_machine->maxram_size = maxram_size;
4540 current_machine->ram_slots = ram_slots;
4541 current_machine->boot_order = boot_order;
4542 current_machine->cpu_model = cpu_model;
4543
4544 machine_class->init(current_machine);
4545
4546 realtime_init();
4547
4548 audio_init();
4549
4550 cpu_synchronize_all_post_init();
4551
4552 numa_post_machine_init();
4553
4554 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4555 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4556 exit(1);
4557 }
4558
4559 /* init USB devices */
4560 if (machine_usb(current_machine)) {
4561 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4562 exit(1);
4563 }
4564
4565 /* Check if IGD GFX passthrough. */
4566 igd_gfx_passthru();
4567
4568 /* init generic devices */
4569 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4570 if (qemu_opts_foreach(qemu_find_opts("device"),
4571 device_init_func, NULL, NULL)) {
4572 exit(1);
4573 }
4574 rom_reset_order_override();
4575
4576 /* Did we create any drives that we failed to create a device for? */
4577 drive_check_orphaned();
4578
4579 /* Don't warn about the default network setup that you get if
4580 * no command line -net or -netdev options are specified. There
4581 * are two cases that we would otherwise complain about:
4582 * (1) board doesn't support a NIC but the implicit "-net nic"
4583 * requested one
4584 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4585 * sets up a nic that isn't connected to anything.
4586 */
4587 if (!default_net) {
4588 net_check_clients();
4589 }
4590
4591
4592 if (boot_once) {
4593 qemu_boot_set(boot_once, &error_fatal);
4594 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4595 }
4596
4597 ds = init_displaystate();
4598
4599 /* init local displays */
4600 switch (display_type) {
4601 case DT_CURSES:
4602 curses_display_init(ds, full_screen);
4603 break;
4604 case DT_SDL:
4605 sdl_display_init(ds, full_screen, no_frame);
4606 break;
4607 case DT_COCOA:
4608 cocoa_display_init(ds, full_screen);
4609 break;
4610 case DT_GTK:
4611 gtk_display_init(ds, full_screen, grab_on_hover);
4612 break;
4613 default:
4614 break;
4615 }
4616
4617 /* must be after terminal init, SDL library changes signal handlers */
4618 os_setup_signal_handling();
4619
4620 /* init remote displays */
4621 #ifdef CONFIG_VNC
4622 qemu_opts_foreach(qemu_find_opts("vnc"),
4623 vnc_init_func, NULL, NULL);
4624 #endif
4625
4626 if (using_spice) {
4627 qemu_spice_display_init();
4628 }
4629
4630 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4631 exit(1);
4632 }
4633
4634 qdev_machine_creation_done();
4635
4636 /* TODO: once all bus devices are qdevified, this should be done
4637 * when bus is created by qdev.c */
4638 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4639 qemu_run_machine_init_done_notifiers();
4640
4641 if (rom_check_and_register_reset() != 0) {
4642 error_report("rom check and register reset failed");
4643 exit(1);
4644 }
4645
4646 replay_start();
4647
4648 /* This checkpoint is required by replay to separate prior clock
4649 reading from the other reads, because timer polling functions query
4650 clock values from the log. */
4651 replay_checkpoint(CHECKPOINT_RESET);
4652 qemu_system_reset(VMRESET_SILENT);
4653 register_global_state();
4654 if (loadvm) {
4655 if (load_vmstate(loadvm) < 0) {
4656 autostart = 0;
4657 }
4658 }
4659
4660 qdev_prop_check_globals();
4661 if (vmstate_dump_file) {
4662 /* dump and exit */
4663 dump_vmstate_json_to_file(vmstate_dump_file);
4664 return 0;
4665 }
4666
4667 if (incoming) {
4668 Error *local_err = NULL;
4669 qemu_start_incoming_migration(incoming, &local_err);
4670 if (local_err) {
4671 error_reportf_err(local_err, "-incoming %s: ", incoming);
4672 exit(1);
4673 }
4674 } else if (autostart) {
4675 vm_start();
4676 }
4677
4678 os_setup_post();
4679
4680 main_loop();
4681 replay_disable_events();
4682 iothread_stop_all();
4683
4684 bdrv_close_all();
4685 pause_all_vcpus();
4686 res_free();
4687
4688 /* vhost-user must be cleaned up before chardevs. */
4689 net_cleanup();
4690 audio_cleanup();
4691 monitor_cleanup();
4692 qemu_chr_cleanup();
4693
4694 return 0;
4695 }
Random patches