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Merge remote-tracking branch 'remotes/berrange/tags/pull-qio-2016-10-27-1' into staging
[thirdparty/qemu.git] / vl.c
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 "sysemu/kvm.h"
94 #include "qapi/qmp/qjson.h"
95 #include "qemu/option.h"
96 #include "qemu/config-file.h"
97 #include "qemu-options.h"
98 #include "qmp-commands.h"
99 #include "qemu/main-loop.h"
100 #ifdef CONFIG_VIRTFS
101 #include "fsdev/qemu-fsdev.h"
102 #endif
103 #include "sysemu/qtest.h"
104
105 #include "disas/disas.h"
106
107
108 #include "slirp/libslirp.h"
109
110 #include "trace.h"
111 #include "trace/control.h"
112 #include "qemu/queue.h"
113 #include "sysemu/cpus.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
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
620
621 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
622 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
623 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
626 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
627 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
628
629 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
630 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
632
633 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
634 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
635 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
636
637 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
638 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
640
641 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
642 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
643
644 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
645 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
646 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
647 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
648 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
649 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
650 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
651 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
652 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
653 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
654
655 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
656
657 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
658 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
659 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
660
661 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
662 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
663 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
664 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
666
667 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
668 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
669 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
670
671 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
672 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
673 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
674
675 { RUN_STATE__MAX, RUN_STATE__MAX },
676 };
677
678 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
679
680 bool runstate_check(RunState state)
681 {
682 return current_run_state == state;
683 }
684
685 bool runstate_store(char *str, size_t size)
686 {
687 const char *state = RunState_lookup[current_run_state];
688 size_t len = strlen(state) + 1;
689
690 if (len > size) {
691 return false;
692 }
693 memcpy(str, state, len);
694 return true;
695 }
696
697 static void runstate_init(void)
698 {
699 const RunStateTransition *p;
700
701 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
702 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
703 runstate_valid_transitions[p->from][p->to] = true;
704 }
705
706 qemu_mutex_init(&vmstop_lock);
707 }
708
709 /* This function will abort() on invalid state transitions */
710 void runstate_set(RunState new_state)
711 {
712 assert(new_state < RUN_STATE__MAX);
713
714 if (current_run_state == new_state) {
715 return;
716 }
717
718 if (!runstate_valid_transitions[current_run_state][new_state]) {
719 error_report("invalid runstate transition: '%s' -> '%s'",
720 RunState_lookup[current_run_state],
721 RunState_lookup[new_state]);
722 abort();
723 }
724 trace_runstate_set(new_state);
725 current_run_state = new_state;
726 }
727
728 int runstate_is_running(void)
729 {
730 return runstate_check(RUN_STATE_RUNNING);
731 }
732
733 bool runstate_needs_reset(void)
734 {
735 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
736 runstate_check(RUN_STATE_SHUTDOWN);
737 }
738
739 StatusInfo *qmp_query_status(Error **errp)
740 {
741 StatusInfo *info = g_malloc0(sizeof(*info));
742
743 info->running = runstate_is_running();
744 info->singlestep = singlestep;
745 info->status = current_run_state;
746
747 return info;
748 }
749
750 static bool qemu_vmstop_requested(RunState *r)
751 {
752 qemu_mutex_lock(&vmstop_lock);
753 *r = vmstop_requested;
754 vmstop_requested = RUN_STATE__MAX;
755 qemu_mutex_unlock(&vmstop_lock);
756 return *r < RUN_STATE__MAX;
757 }
758
759 void qemu_system_vmstop_request_prepare(void)
760 {
761 qemu_mutex_lock(&vmstop_lock);
762 }
763
764 void qemu_system_vmstop_request(RunState state)
765 {
766 vmstop_requested = state;
767 qemu_mutex_unlock(&vmstop_lock);
768 qemu_notify_event();
769 }
770
771 void vm_start(void)
772 {
773 RunState requested;
774
775 qemu_vmstop_requested(&requested);
776 if (runstate_is_running() && requested == RUN_STATE__MAX) {
777 return;
778 }
779
780 /* Ensure that a STOP/RESUME pair of events is emitted if a
781 * vmstop request was pending. The BLOCK_IO_ERROR event, for
782 * example, according to documentation is always followed by
783 * the STOP event.
784 */
785 if (runstate_is_running()) {
786 qapi_event_send_stop(&error_abort);
787 } else {
788 replay_enable_events();
789 cpu_enable_ticks();
790 runstate_set(RUN_STATE_RUNNING);
791 vm_state_notify(1, RUN_STATE_RUNNING);
792 resume_all_vcpus();
793 }
794
795 qapi_event_send_resume(&error_abort);
796 }
797
798
799 /***********************************************************/
800 /* real time host monotonic timer */
801
802 static time_t qemu_time(void)
803 {
804 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
805 }
806
807 /***********************************************************/
808 /* host time/date access */
809 void qemu_get_timedate(struct tm *tm, int offset)
810 {
811 time_t ti = qemu_time();
812
813 ti += offset;
814 if (rtc_date_offset == -1) {
815 if (rtc_utc)
816 gmtime_r(&ti, tm);
817 else
818 localtime_r(&ti, tm);
819 } else {
820 ti -= rtc_date_offset;
821 gmtime_r(&ti, tm);
822 }
823 }
824
825 int qemu_timedate_diff(struct tm *tm)
826 {
827 time_t seconds;
828
829 if (rtc_date_offset == -1)
830 if (rtc_utc)
831 seconds = mktimegm(tm);
832 else {
833 struct tm tmp = *tm;
834 tmp.tm_isdst = -1; /* use timezone to figure it out */
835 seconds = mktime(&tmp);
836 }
837 else
838 seconds = mktimegm(tm) + rtc_date_offset;
839
840 return seconds - qemu_time();
841 }
842
843 static void configure_rtc_date_offset(const char *startdate, int legacy)
844 {
845 time_t rtc_start_date;
846 struct tm tm;
847
848 if (!strcmp(startdate, "now") && legacy) {
849 rtc_date_offset = -1;
850 } else {
851 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
852 &tm.tm_year,
853 &tm.tm_mon,
854 &tm.tm_mday,
855 &tm.tm_hour,
856 &tm.tm_min,
857 &tm.tm_sec) == 6) {
858 /* OK */
859 } else if (sscanf(startdate, "%d-%d-%d",
860 &tm.tm_year,
861 &tm.tm_mon,
862 &tm.tm_mday) == 3) {
863 tm.tm_hour = 0;
864 tm.tm_min = 0;
865 tm.tm_sec = 0;
866 } else {
867 goto date_fail;
868 }
869 tm.tm_year -= 1900;
870 tm.tm_mon--;
871 rtc_start_date = mktimegm(&tm);
872 if (rtc_start_date == -1) {
873 date_fail:
874 error_report("invalid date format");
875 error_printf("valid formats: "
876 "'2006-06-17T16:01:21' or '2006-06-17'\n");
877 exit(1);
878 }
879 rtc_date_offset = qemu_time() - rtc_start_date;
880 }
881 }
882
883 static void configure_rtc(QemuOpts *opts)
884 {
885 const char *value;
886
887 value = qemu_opt_get(opts, "base");
888 if (value) {
889 if (!strcmp(value, "utc")) {
890 rtc_utc = 1;
891 } else if (!strcmp(value, "localtime")) {
892 Error *blocker = NULL;
893 rtc_utc = 0;
894 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
895 "-rtc base=localtime");
896 replay_add_blocker(blocker);
897 } else {
898 configure_rtc_date_offset(value, 0);
899 }
900 }
901 value = qemu_opt_get(opts, "clock");
902 if (value) {
903 if (!strcmp(value, "host")) {
904 rtc_clock = QEMU_CLOCK_HOST;
905 } else if (!strcmp(value, "rt")) {
906 rtc_clock = QEMU_CLOCK_REALTIME;
907 } else if (!strcmp(value, "vm")) {
908 rtc_clock = QEMU_CLOCK_VIRTUAL;
909 } else {
910 error_report("invalid option value '%s'", value);
911 exit(1);
912 }
913 }
914 value = qemu_opt_get(opts, "driftfix");
915 if (value) {
916 if (!strcmp(value, "slew")) {
917 static GlobalProperty slew_lost_ticks = {
918 .driver = "mc146818rtc",
919 .property = "lost_tick_policy",
920 .value = "slew",
921 };
922
923 qdev_prop_register_global(&slew_lost_ticks);
924 } else if (!strcmp(value, "none")) {
925 /* discard is default */
926 } else {
927 error_report("invalid option value '%s'", value);
928 exit(1);
929 }
930 }
931 }
932
933 /***********************************************************/
934 /* Bluetooth support */
935 static int nb_hcis;
936 static int cur_hci;
937 static struct HCIInfo *hci_table[MAX_NICS];
938
939 struct HCIInfo *qemu_next_hci(void)
940 {
941 if (cur_hci == nb_hcis)
942 return &null_hci;
943
944 return hci_table[cur_hci++];
945 }
946
947 static int bt_hci_parse(const char *str)
948 {
949 struct HCIInfo *hci;
950 bdaddr_t bdaddr;
951
952 if (nb_hcis >= MAX_NICS) {
953 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
954 return -1;
955 }
956
957 hci = hci_init(str);
958 if (!hci)
959 return -1;
960
961 bdaddr.b[0] = 0x52;
962 bdaddr.b[1] = 0x54;
963 bdaddr.b[2] = 0x00;
964 bdaddr.b[3] = 0x12;
965 bdaddr.b[4] = 0x34;
966 bdaddr.b[5] = 0x56 + nb_hcis;
967 hci->bdaddr_set(hci, bdaddr.b);
968
969 hci_table[nb_hcis++] = hci;
970
971 return 0;
972 }
973
974 static void bt_vhci_add(int vlan_id)
975 {
976 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
977
978 if (!vlan->slave)
979 error_report("warning: adding a VHCI to an empty scatternet %i",
980 vlan_id);
981
982 bt_vhci_init(bt_new_hci(vlan));
983 }
984
985 static struct bt_device_s *bt_device_add(const char *opt)
986 {
987 struct bt_scatternet_s *vlan;
988 int vlan_id = 0;
989 char *endp = strstr(opt, ",vlan=");
990 int len = (endp ? endp - opt : strlen(opt)) + 1;
991 char devname[10];
992
993 pstrcpy(devname, MIN(sizeof(devname), len), opt);
994
995 if (endp) {
996 vlan_id = strtol(endp + 6, &endp, 0);
997 if (*endp) {
998 error_report("unrecognised bluetooth vlan Id");
999 return 0;
1000 }
1001 }
1002
1003 vlan = qemu_find_bt_vlan(vlan_id);
1004
1005 if (!vlan->slave)
1006 error_report("warning: adding a slave device to an empty scatternet %i",
1007 vlan_id);
1008
1009 if (!strcmp(devname, "keyboard"))
1010 return bt_keyboard_init(vlan);
1011
1012 error_report("unsupported bluetooth device '%s'", devname);
1013 return 0;
1014 }
1015
1016 static int bt_parse(const char *opt)
1017 {
1018 const char *endp, *p;
1019 int vlan;
1020
1021 if (strstart(opt, "hci", &endp)) {
1022 if (!*endp || *endp == ',') {
1023 if (*endp)
1024 if (!strstart(endp, ",vlan=", 0))
1025 opt = endp + 1;
1026
1027 return bt_hci_parse(opt);
1028 }
1029 } else if (strstart(opt, "vhci", &endp)) {
1030 if (!*endp || *endp == ',') {
1031 if (*endp) {
1032 if (strstart(endp, ",vlan=", &p)) {
1033 vlan = strtol(p, (char **) &endp, 0);
1034 if (*endp) {
1035 error_report("bad scatternet '%s'", p);
1036 return 1;
1037 }
1038 } else {
1039 error_report("bad parameter '%s'", endp + 1);
1040 return 1;
1041 }
1042 } else
1043 vlan = 0;
1044
1045 bt_vhci_add(vlan);
1046 return 0;
1047 }
1048 } else if (strstart(opt, "device:", &endp))
1049 return !bt_device_add(endp);
1050
1051 error_report("bad bluetooth parameter '%s'", opt);
1052 return 1;
1053 }
1054
1055 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1056 {
1057 /* FIXME: change this to true for 1.3 */
1058 if (qemu_opt_get_bool(opts, "enable", false)) {
1059 #ifdef CONFIG_SECCOMP
1060 if (seccomp_start() < 0) {
1061 error_report("failed to install seccomp syscall filter "
1062 "in the kernel");
1063 return -1;
1064 }
1065 #else
1066 error_report("seccomp support is disabled");
1067 return -1;
1068 #endif
1069 }
1070
1071 return 0;
1072 }
1073
1074 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1075 {
1076 const char *proc_name;
1077
1078 if (qemu_opt_get(opts, "debug-threads")) {
1079 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1080 }
1081 qemu_name = qemu_opt_get(opts, "guest");
1082
1083 proc_name = qemu_opt_get(opts, "process");
1084 if (proc_name) {
1085 os_set_proc_name(proc_name);
1086 }
1087
1088 return 0;
1089 }
1090
1091 bool defaults_enabled(void)
1092 {
1093 return has_defaults;
1094 }
1095
1096 #ifndef _WIN32
1097 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1098 {
1099 int fd, dupfd, flags;
1100 int64_t fdset_id;
1101 const char *fd_opaque = NULL;
1102 AddfdInfo *fdinfo;
1103
1104 fd = qemu_opt_get_number(opts, "fd", -1);
1105 fdset_id = qemu_opt_get_number(opts, "set", -1);
1106 fd_opaque = qemu_opt_get(opts, "opaque");
1107
1108 if (fd < 0) {
1109 error_report("fd option is required and must be non-negative");
1110 return -1;
1111 }
1112
1113 if (fd <= STDERR_FILENO) {
1114 error_report("fd cannot be a standard I/O stream");
1115 return -1;
1116 }
1117
1118 /*
1119 * All fds inherited across exec() necessarily have FD_CLOEXEC
1120 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1121 */
1122 flags = fcntl(fd, F_GETFD);
1123 if (flags == -1 || (flags & FD_CLOEXEC)) {
1124 error_report("fd is not valid or already in use");
1125 return -1;
1126 }
1127
1128 if (fdset_id < 0) {
1129 error_report("set option is required and must be non-negative");
1130 return -1;
1131 }
1132
1133 #ifdef F_DUPFD_CLOEXEC
1134 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1135 #else
1136 dupfd = dup(fd);
1137 if (dupfd != -1) {
1138 qemu_set_cloexec(dupfd);
1139 }
1140 #endif
1141 if (dupfd == -1) {
1142 error_report("error duplicating fd: %s", strerror(errno));
1143 return -1;
1144 }
1145
1146 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1147 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1148 &error_abort);
1149 g_free(fdinfo);
1150
1151 return 0;
1152 }
1153
1154 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1155 {
1156 int fd;
1157
1158 fd = qemu_opt_get_number(opts, "fd", -1);
1159 close(fd);
1160
1161 return 0;
1162 }
1163 #endif
1164
1165 /***********************************************************/
1166 /* QEMU Block devices */
1167
1168 #define HD_OPTS "media=disk"
1169 #define CDROM_OPTS "media=cdrom"
1170 #define FD_OPTS ""
1171 #define PFLASH_OPTS ""
1172 #define MTD_OPTS ""
1173 #define SD_OPTS ""
1174
1175 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1176 {
1177 BlockInterfaceType *block_default_type = opaque;
1178
1179 return drive_new(opts, *block_default_type) == NULL;
1180 }
1181
1182 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1183 {
1184 if (qemu_opt_get(opts, "snapshot") == NULL) {
1185 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1186 }
1187 return 0;
1188 }
1189
1190 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1191 int index, const char *optstr)
1192 {
1193 QemuOpts *opts;
1194 DriveInfo *dinfo;
1195
1196 if (!enable || drive_get_by_index(type, index)) {
1197 return;
1198 }
1199
1200 opts = drive_add(type, index, NULL, optstr);
1201 if (snapshot) {
1202 drive_enable_snapshot(NULL, opts, NULL);
1203 }
1204
1205 dinfo = drive_new(opts, type);
1206 if (!dinfo) {
1207 exit(1);
1208 }
1209 dinfo->is_default = true;
1210
1211 }
1212
1213 static QemuOptsList qemu_smp_opts = {
1214 .name = "smp-opts",
1215 .implied_opt_name = "cpus",
1216 .merge_lists = true,
1217 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1218 .desc = {
1219 {
1220 .name = "cpus",
1221 .type = QEMU_OPT_NUMBER,
1222 }, {
1223 .name = "sockets",
1224 .type = QEMU_OPT_NUMBER,
1225 }, {
1226 .name = "cores",
1227 .type = QEMU_OPT_NUMBER,
1228 }, {
1229 .name = "threads",
1230 .type = QEMU_OPT_NUMBER,
1231 }, {
1232 .name = "maxcpus",
1233 .type = QEMU_OPT_NUMBER,
1234 },
1235 { /*End of list */ }
1236 },
1237 };
1238
1239 static void smp_parse(QemuOpts *opts)
1240 {
1241 if (opts) {
1242 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1243 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1244 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1245 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1246
1247 /* compute missing values, prefer sockets over cores over threads */
1248 if (cpus == 0 || sockets == 0) {
1249 sockets = sockets > 0 ? sockets : 1;
1250 cores = cores > 0 ? cores : 1;
1251 threads = threads > 0 ? threads : 1;
1252 if (cpus == 0) {
1253 cpus = cores * threads * sockets;
1254 }
1255 } else if (cores == 0) {
1256 threads = threads > 0 ? threads : 1;
1257 cores = cpus / (sockets * threads);
1258 cores = cores > 0 ? cores : 1;
1259 } else if (threads == 0) {
1260 threads = cpus / (cores * sockets);
1261 threads = threads > 0 ? threads : 1;
1262 } else if (sockets * cores * threads < cpus) {
1263 error_report("cpu topology: "
1264 "sockets (%u) * cores (%u) * threads (%u) < "
1265 "smp_cpus (%u)",
1266 sockets, cores, threads, cpus);
1267 exit(1);
1268 }
1269
1270 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1271
1272 if (max_cpus > MAX_CPUMASK_BITS) {
1273 error_report("unsupported number of maxcpus");
1274 exit(1);
1275 }
1276
1277 if (max_cpus < cpus) {
1278 error_report("maxcpus must be equal to or greater than smp");
1279 exit(1);
1280 }
1281
1282 if (sockets * cores * threads > max_cpus) {
1283 error_report("cpu topology: "
1284 "sockets (%u) * cores (%u) * threads (%u) > "
1285 "maxcpus (%u)",
1286 sockets, cores, threads, max_cpus);
1287 exit(1);
1288 }
1289
1290 smp_cpus = cpus;
1291 smp_cores = cores;
1292 smp_threads = threads;
1293 }
1294
1295 if (smp_cpus > 1) {
1296 Error *blocker = NULL;
1297 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1298 replay_add_blocker(blocker);
1299 }
1300 }
1301
1302 static void realtime_init(void)
1303 {
1304 if (enable_mlock) {
1305 if (os_mlock() < 0) {
1306 error_report("locking memory failed");
1307 exit(1);
1308 }
1309 }
1310 }
1311
1312
1313 static void configure_msg(QemuOpts *opts)
1314 {
1315 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1316 }
1317
1318 /***********************************************************/
1319 /* Semihosting */
1320
1321 typedef struct SemihostingConfig {
1322 bool enabled;
1323 SemihostingTarget target;
1324 const char **argv;
1325 int argc;
1326 const char *cmdline; /* concatenated argv */
1327 } SemihostingConfig;
1328
1329 static SemihostingConfig semihosting;
1330
1331 bool semihosting_enabled(void)
1332 {
1333 return semihosting.enabled;
1334 }
1335
1336 SemihostingTarget semihosting_get_target(void)
1337 {
1338 return semihosting.target;
1339 }
1340
1341 const char *semihosting_get_arg(int i)
1342 {
1343 if (i >= semihosting.argc) {
1344 return NULL;
1345 }
1346 return semihosting.argv[i];
1347 }
1348
1349 int semihosting_get_argc(void)
1350 {
1351 return semihosting.argc;
1352 }
1353
1354 const char *semihosting_get_cmdline(void)
1355 {
1356 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1357 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1358 }
1359 return semihosting.cmdline;
1360 }
1361
1362 static int add_semihosting_arg(void *opaque,
1363 const char *name, const char *val,
1364 Error **errp)
1365 {
1366 SemihostingConfig *s = opaque;
1367 if (strcmp(name, "arg") == 0) {
1368 s->argc++;
1369 /* one extra element as g_strjoinv() expects NULL-terminated array */
1370 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1371 s->argv[s->argc - 1] = val;
1372 s->argv[s->argc] = NULL;
1373 }
1374 return 0;
1375 }
1376
1377 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1378 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1379 {
1380 char *cmd_token;
1381
1382 /* argv[0] */
1383 add_semihosting_arg(&semihosting, "arg", file, NULL);
1384
1385 /* split -append and initialize argv[1..n] */
1386 cmd_token = strtok(g_strdup(cmd), " ");
1387 while (cmd_token) {
1388 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1389 cmd_token = strtok(NULL, " ");
1390 }
1391 }
1392
1393 /* Now we still need this for compatibility with XEN. */
1394 bool has_igd_gfx_passthru;
1395 static void igd_gfx_passthru(void)
1396 {
1397 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1398 }
1399
1400 /***********************************************************/
1401 /* USB devices */
1402
1403 static int usb_device_add(const char *devname)
1404 {
1405 USBDevice *dev = NULL;
1406 #ifndef CONFIG_LINUX
1407 const char *p;
1408 #endif
1409
1410 if (!machine_usb(current_machine)) {
1411 return -1;
1412 }
1413
1414 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1415 dev = usbdevice_create(devname);
1416 if (dev)
1417 goto done;
1418
1419 /* the other ones */
1420 #ifndef CONFIG_LINUX
1421 /* only the linux version is qdev-ified, usb-bsd still needs this */
1422 if (strstart(devname, "host:", &p)) {
1423 dev = usb_host_device_open(usb_bus_find(-1), p);
1424 }
1425 #endif
1426 if (!dev)
1427 return -1;
1428
1429 done:
1430 return 0;
1431 }
1432
1433 static int usb_device_del(const char *devname)
1434 {
1435 int bus_num, addr;
1436 const char *p;
1437
1438 if (strstart(devname, "host:", &p)) {
1439 return -1;
1440 }
1441
1442 if (!machine_usb(current_machine)) {
1443 return -1;
1444 }
1445
1446 p = strchr(devname, '.');
1447 if (!p)
1448 return -1;
1449 bus_num = strtoul(devname, NULL, 0);
1450 addr = strtoul(p + 1, NULL, 0);
1451
1452 return usb_device_delete_addr(bus_num, addr);
1453 }
1454
1455 static int usb_parse(const char *cmdline)
1456 {
1457 int r;
1458 r = usb_device_add(cmdline);
1459 if (r < 0) {
1460 error_report("could not add USB device '%s'", cmdline);
1461 }
1462 return r;
1463 }
1464
1465 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1466 {
1467 const char *devname = qdict_get_str(qdict, "devname");
1468 if (usb_device_add(devname) < 0) {
1469 error_report("could not add USB device '%s'", devname);
1470 }
1471 }
1472
1473 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1474 {
1475 const char *devname = qdict_get_str(qdict, "devname");
1476 if (usb_device_del(devname) < 0) {
1477 error_report("could not delete USB device '%s'", devname);
1478 }
1479 }
1480
1481 /***********************************************************/
1482 /* machine registration */
1483
1484 MachineState *current_machine;
1485
1486 static MachineClass *find_machine(const char *name)
1487 {
1488 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1489 MachineClass *mc = NULL;
1490
1491 for (el = machines; el; el = el->next) {
1492 MachineClass *temp = el->data;
1493
1494 if (!strcmp(temp->name, name)) {
1495 mc = temp;
1496 break;
1497 }
1498 if (temp->alias &&
1499 !strcmp(temp->alias, name)) {
1500 mc = temp;
1501 break;
1502 }
1503 }
1504
1505 g_slist_free(machines);
1506 return mc;
1507 }
1508
1509 MachineClass *find_default_machine(void)
1510 {
1511 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1512 MachineClass *mc = NULL;
1513
1514 for (el = machines; el; el = el->next) {
1515 MachineClass *temp = el->data;
1516
1517 if (temp->is_default) {
1518 mc = temp;
1519 break;
1520 }
1521 }
1522
1523 g_slist_free(machines);
1524 return mc;
1525 }
1526
1527 MachineInfoList *qmp_query_machines(Error **errp)
1528 {
1529 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1530 MachineInfoList *mach_list = NULL;
1531
1532 for (el = machines; el; el = el->next) {
1533 MachineClass *mc = el->data;
1534 MachineInfoList *entry;
1535 MachineInfo *info;
1536
1537 info = g_malloc0(sizeof(*info));
1538 if (mc->is_default) {
1539 info->has_is_default = true;
1540 info->is_default = true;
1541 }
1542
1543 if (mc->alias) {
1544 info->has_alias = true;
1545 info->alias = g_strdup(mc->alias);
1546 }
1547
1548 info->name = g_strdup(mc->name);
1549 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1550 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1551
1552 entry = g_malloc0(sizeof(*entry));
1553 entry->value = info;
1554 entry->next = mach_list;
1555 mach_list = entry;
1556 }
1557
1558 g_slist_free(machines);
1559 return mach_list;
1560 }
1561
1562 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1563 {
1564 ObjectProperty *prop;
1565 ObjectPropertyIterator iter;
1566
1567 if (!qemu_opt_has_help_opt(opts)) {
1568 return 0;
1569 }
1570
1571 object_property_iter_init(&iter, OBJECT(machine));
1572 while ((prop = object_property_iter_next(&iter))) {
1573 if (!prop->set) {
1574 continue;
1575 }
1576
1577 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1578 prop->name, prop->type);
1579 if (prop->description) {
1580 error_printf(" (%s)\n", prop->description);
1581 } else {
1582 error_printf("\n");
1583 }
1584 }
1585
1586 return 1;
1587 }
1588
1589 /***********************************************************/
1590 /* main execution loop */
1591
1592 struct vm_change_state_entry {
1593 VMChangeStateHandler *cb;
1594 void *opaque;
1595 QLIST_ENTRY (vm_change_state_entry) entries;
1596 };
1597
1598 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1599
1600 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1601 void *opaque)
1602 {
1603 VMChangeStateEntry *e;
1604
1605 e = g_malloc0(sizeof (*e));
1606
1607 e->cb = cb;
1608 e->opaque = opaque;
1609 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1610 return e;
1611 }
1612
1613 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1614 {
1615 QLIST_REMOVE (e, entries);
1616 g_free (e);
1617 }
1618
1619 void vm_state_notify(int running, RunState state)
1620 {
1621 VMChangeStateEntry *e, *next;
1622
1623 trace_vm_state_notify(running, state);
1624
1625 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1626 e->cb(e->opaque, running, state);
1627 }
1628 }
1629
1630 /* reset/shutdown handler */
1631
1632 typedef struct QEMUResetEntry {
1633 QTAILQ_ENTRY(QEMUResetEntry) entry;
1634 QEMUResetHandler *func;
1635 void *opaque;
1636 } QEMUResetEntry;
1637
1638 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1639 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1640 static int reset_requested;
1641 static int shutdown_requested, shutdown_signal = -1;
1642 static pid_t shutdown_pid;
1643 static int powerdown_requested;
1644 static int debug_requested;
1645 static int suspend_requested;
1646 static WakeupReason wakeup_reason;
1647 static NotifierList powerdown_notifiers =
1648 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1649 static NotifierList suspend_notifiers =
1650 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1651 static NotifierList wakeup_notifiers =
1652 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1653 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1654
1655 int qemu_shutdown_requested_get(void)
1656 {
1657 return shutdown_requested;
1658 }
1659
1660 int qemu_reset_requested_get(void)
1661 {
1662 return reset_requested;
1663 }
1664
1665 static int qemu_shutdown_requested(void)
1666 {
1667 return atomic_xchg(&shutdown_requested, 0);
1668 }
1669
1670 static void qemu_kill_report(void)
1671 {
1672 if (!qtest_driver() && shutdown_signal != -1) {
1673 if (shutdown_pid == 0) {
1674 /* This happens for eg ^C at the terminal, so it's worth
1675 * avoiding printing an odd message in that case.
1676 */
1677 error_report("terminating on signal %d", shutdown_signal);
1678 } else {
1679 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1680
1681 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1682 shutdown_signal, shutdown_pid,
1683 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1684 g_free(shutdown_cmd);
1685 }
1686 shutdown_signal = -1;
1687 }
1688 }
1689
1690 static int qemu_reset_requested(void)
1691 {
1692 int r = reset_requested;
1693 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1694 reset_requested = 0;
1695 return r;
1696 }
1697 return false;
1698 }
1699
1700 static int qemu_suspend_requested(void)
1701 {
1702 int r = suspend_requested;
1703 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1704 suspend_requested = 0;
1705 return r;
1706 }
1707 return false;
1708 }
1709
1710 static WakeupReason qemu_wakeup_requested(void)
1711 {
1712 return wakeup_reason;
1713 }
1714
1715 static int qemu_powerdown_requested(void)
1716 {
1717 int r = powerdown_requested;
1718 powerdown_requested = 0;
1719 return r;
1720 }
1721
1722 static int qemu_debug_requested(void)
1723 {
1724 int r = debug_requested;
1725 debug_requested = 0;
1726 return r;
1727 }
1728
1729 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1730 {
1731 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1732
1733 re->func = func;
1734 re->opaque = opaque;
1735 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1736 }
1737
1738 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1739 {
1740 QEMUResetEntry *re;
1741
1742 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1743 if (re->func == func && re->opaque == opaque) {
1744 QTAILQ_REMOVE(&reset_handlers, re, entry);
1745 g_free(re);
1746 return;
1747 }
1748 }
1749 }
1750
1751 void qemu_devices_reset(void)
1752 {
1753 QEMUResetEntry *re, *nre;
1754
1755 /* reset all devices */
1756 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1757 re->func(re->opaque);
1758 }
1759 }
1760
1761 void qemu_system_reset(bool report)
1762 {
1763 MachineClass *mc;
1764
1765 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1766
1767 cpu_synchronize_all_states();
1768
1769 if (mc && mc->reset) {
1770 mc->reset();
1771 } else {
1772 qemu_devices_reset();
1773 }
1774 if (report) {
1775 qapi_event_send_reset(&error_abort);
1776 }
1777 cpu_synchronize_all_post_reset();
1778 }
1779
1780 void qemu_system_guest_panicked(void)
1781 {
1782 if (current_cpu) {
1783 current_cpu->crash_occurred = true;
1784 }
1785 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1786 vm_stop(RUN_STATE_GUEST_PANICKED);
1787 }
1788
1789 void qemu_system_reset_request(void)
1790 {
1791 if (no_reboot) {
1792 shutdown_requested = 1;
1793 } else {
1794 reset_requested = 1;
1795 }
1796 cpu_stop_current();
1797 qemu_notify_event();
1798 }
1799
1800 static void qemu_system_suspend(void)
1801 {
1802 pause_all_vcpus();
1803 notifier_list_notify(&suspend_notifiers, NULL);
1804 runstate_set(RUN_STATE_SUSPENDED);
1805 qapi_event_send_suspend(&error_abort);
1806 }
1807
1808 void qemu_system_suspend_request(void)
1809 {
1810 if (runstate_check(RUN_STATE_SUSPENDED)) {
1811 return;
1812 }
1813 suspend_requested = 1;
1814 cpu_stop_current();
1815 qemu_notify_event();
1816 }
1817
1818 void qemu_register_suspend_notifier(Notifier *notifier)
1819 {
1820 notifier_list_add(&suspend_notifiers, notifier);
1821 }
1822
1823 void qemu_system_wakeup_request(WakeupReason reason)
1824 {
1825 trace_system_wakeup_request(reason);
1826
1827 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1828 return;
1829 }
1830 if (!(wakeup_reason_mask & (1 << reason))) {
1831 return;
1832 }
1833 runstate_set(RUN_STATE_RUNNING);
1834 wakeup_reason = reason;
1835 qemu_notify_event();
1836 }
1837
1838 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1839 {
1840 if (enabled) {
1841 wakeup_reason_mask |= (1 << reason);
1842 } else {
1843 wakeup_reason_mask &= ~(1 << reason);
1844 }
1845 }
1846
1847 void qemu_register_wakeup_notifier(Notifier *notifier)
1848 {
1849 notifier_list_add(&wakeup_notifiers, notifier);
1850 }
1851
1852 void qemu_system_killed(int signal, pid_t pid)
1853 {
1854 shutdown_signal = signal;
1855 shutdown_pid = pid;
1856 no_shutdown = 0;
1857
1858 /* Cannot call qemu_system_shutdown_request directly because
1859 * we are in a signal handler.
1860 */
1861 shutdown_requested = 1;
1862 qemu_notify_event();
1863 }
1864
1865 void qemu_system_shutdown_request(void)
1866 {
1867 trace_qemu_system_shutdown_request();
1868 replay_shutdown_request();
1869 shutdown_requested = 1;
1870 qemu_notify_event();
1871 }
1872
1873 static void qemu_system_powerdown(void)
1874 {
1875 qapi_event_send_powerdown(&error_abort);
1876 notifier_list_notify(&powerdown_notifiers, NULL);
1877 }
1878
1879 void qemu_system_powerdown_request(void)
1880 {
1881 trace_qemu_system_powerdown_request();
1882 powerdown_requested = 1;
1883 qemu_notify_event();
1884 }
1885
1886 void qemu_register_powerdown_notifier(Notifier *notifier)
1887 {
1888 notifier_list_add(&powerdown_notifiers, notifier);
1889 }
1890
1891 void qemu_system_debug_request(void)
1892 {
1893 debug_requested = 1;
1894 qemu_notify_event();
1895 }
1896
1897 static bool main_loop_should_exit(void)
1898 {
1899 RunState r;
1900 if (qemu_debug_requested()) {
1901 vm_stop(RUN_STATE_DEBUG);
1902 }
1903 if (qemu_suspend_requested()) {
1904 qemu_system_suspend();
1905 }
1906 if (qemu_shutdown_requested()) {
1907 qemu_kill_report();
1908 qapi_event_send_shutdown(&error_abort);
1909 if (no_shutdown) {
1910 vm_stop(RUN_STATE_SHUTDOWN);
1911 } else {
1912 return true;
1913 }
1914 }
1915 if (qemu_reset_requested()) {
1916 pause_all_vcpus();
1917 qemu_system_reset(VMRESET_REPORT);
1918 resume_all_vcpus();
1919 if (!runstate_check(RUN_STATE_RUNNING) &&
1920 !runstate_check(RUN_STATE_INMIGRATE)) {
1921 runstate_set(RUN_STATE_PRELAUNCH);
1922 }
1923 }
1924 if (qemu_wakeup_requested()) {
1925 pause_all_vcpus();
1926 qemu_system_reset(VMRESET_SILENT);
1927 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1928 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1929 resume_all_vcpus();
1930 qapi_event_send_wakeup(&error_abort);
1931 }
1932 if (qemu_powerdown_requested()) {
1933 qemu_system_powerdown();
1934 }
1935 if (qemu_vmstop_requested(&r)) {
1936 vm_stop(r);
1937 }
1938 return false;
1939 }
1940
1941 static void main_loop(void)
1942 {
1943 bool nonblocking;
1944 int last_io = 0;
1945 #ifdef CONFIG_PROFILER
1946 int64_t ti;
1947 #endif
1948 do {
1949 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1950 #ifdef CONFIG_PROFILER
1951 ti = profile_getclock();
1952 #endif
1953 last_io = main_loop_wait(nonblocking);
1954 #ifdef CONFIG_PROFILER
1955 dev_time += profile_getclock() - ti;
1956 #endif
1957 } while (!main_loop_should_exit());
1958 }
1959
1960 static void version(void)
1961 {
1962 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1963 QEMU_COPYRIGHT "\n");
1964 }
1965
1966 static void help(int exitcode)
1967 {
1968 version();
1969 printf("usage: %s [options] [disk_image]\n\n"
1970 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1971 error_get_progname());
1972
1973 #define QEMU_OPTIONS_GENERATE_HELP
1974 #include "qemu-options-wrapper.h"
1975
1976 printf("\nDuring emulation, the following keys are useful:\n"
1977 "ctrl-alt-f toggle full screen\n"
1978 "ctrl-alt-n switch to virtual console 'n'\n"
1979 "ctrl-alt toggle mouse and keyboard grab\n"
1980 "\n"
1981 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1982
1983 exit(exitcode);
1984 }
1985
1986 #define HAS_ARG 0x0001
1987
1988 typedef struct QEMUOption {
1989 const char *name;
1990 int flags;
1991 int index;
1992 uint32_t arch_mask;
1993 } QEMUOption;
1994
1995 static const QEMUOption qemu_options[] = {
1996 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1997 #define QEMU_OPTIONS_GENERATE_OPTIONS
1998 #include "qemu-options-wrapper.h"
1999 { NULL },
2000 };
2001
2002 typedef struct VGAInterfaceInfo {
2003 const char *opt_name; /* option name */
2004 const char *name; /* human-readable name */
2005 /* Class names indicating that support is available.
2006 * If no class is specified, the interface is always available */
2007 const char *class_names[2];
2008 } VGAInterfaceInfo;
2009
2010 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2011 [VGA_NONE] = {
2012 .opt_name = "none",
2013 },
2014 [VGA_STD] = {
2015 .opt_name = "std",
2016 .name = "standard VGA",
2017 .class_names = { "VGA", "isa-vga" },
2018 },
2019 [VGA_CIRRUS] = {
2020 .opt_name = "cirrus",
2021 .name = "Cirrus VGA",
2022 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2023 },
2024 [VGA_VMWARE] = {
2025 .opt_name = "vmware",
2026 .name = "VMWare SVGA",
2027 .class_names = { "vmware-svga" },
2028 },
2029 [VGA_VIRTIO] = {
2030 .opt_name = "virtio",
2031 .name = "Virtio VGA",
2032 .class_names = { "virtio-vga" },
2033 },
2034 [VGA_QXL] = {
2035 .opt_name = "qxl",
2036 .name = "QXL VGA",
2037 .class_names = { "qxl-vga" },
2038 },
2039 [VGA_TCX] = {
2040 .opt_name = "tcx",
2041 .name = "TCX framebuffer",
2042 .class_names = { "SUNW,tcx" },
2043 },
2044 [VGA_CG3] = {
2045 .opt_name = "cg3",
2046 .name = "CG3 framebuffer",
2047 .class_names = { "cgthree" },
2048 },
2049 [VGA_XENFB] = {
2050 .opt_name = "xenfb",
2051 },
2052 };
2053
2054 static bool vga_interface_available(VGAInterfaceType t)
2055 {
2056 VGAInterfaceInfo *ti = &vga_interfaces[t];
2057
2058 assert(t < VGA_TYPE_MAX);
2059 return !ti->class_names[0] ||
2060 object_class_by_name(ti->class_names[0]) ||
2061 object_class_by_name(ti->class_names[1]);
2062 }
2063
2064 static void select_vgahw(const char *p)
2065 {
2066 const char *opts;
2067 int t;
2068
2069 assert(vga_interface_type == VGA_NONE);
2070 for (t = 0; t < VGA_TYPE_MAX; t++) {
2071 VGAInterfaceInfo *ti = &vga_interfaces[t];
2072 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2073 if (!vga_interface_available(t)) {
2074 error_report("%s not available", ti->name);
2075 exit(1);
2076 }
2077 vga_interface_type = t;
2078 break;
2079 }
2080 }
2081 if (t == VGA_TYPE_MAX) {
2082 invalid_vga:
2083 error_report("unknown vga type: %s", p);
2084 exit(1);
2085 }
2086 while (*opts) {
2087 const char *nextopt;
2088
2089 if (strstart(opts, ",retrace=", &nextopt)) {
2090 opts = nextopt;
2091 if (strstart(opts, "dumb", &nextopt))
2092 vga_retrace_method = VGA_RETRACE_DUMB;
2093 else if (strstart(opts, "precise", &nextopt))
2094 vga_retrace_method = VGA_RETRACE_PRECISE;
2095 else goto invalid_vga;
2096 } else goto invalid_vga;
2097 opts = nextopt;
2098 }
2099 }
2100
2101 typedef enum DisplayType {
2102 DT_DEFAULT,
2103 DT_CURSES,
2104 DT_SDL,
2105 DT_COCOA,
2106 DT_GTK,
2107 DT_NONE,
2108 } DisplayType;
2109
2110 static DisplayType select_display(const char *p)
2111 {
2112 const char *opts;
2113 DisplayType display = DT_DEFAULT;
2114
2115 if (strstart(p, "sdl", &opts)) {
2116 #ifdef CONFIG_SDL
2117 display = DT_SDL;
2118 while (*opts) {
2119 const char *nextopt;
2120
2121 if (strstart(opts, ",frame=", &nextopt)) {
2122 opts = nextopt;
2123 if (strstart(opts, "on", &nextopt)) {
2124 no_frame = 0;
2125 } else if (strstart(opts, "off", &nextopt)) {
2126 no_frame = 1;
2127 } else {
2128 goto invalid_sdl_args;
2129 }
2130 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2131 opts = nextopt;
2132 if (strstart(opts, "on", &nextopt)) {
2133 alt_grab = 1;
2134 } else if (strstart(opts, "off", &nextopt)) {
2135 alt_grab = 0;
2136 } else {
2137 goto invalid_sdl_args;
2138 }
2139 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2140 opts = nextopt;
2141 if (strstart(opts, "on", &nextopt)) {
2142 ctrl_grab = 1;
2143 } else if (strstart(opts, "off", &nextopt)) {
2144 ctrl_grab = 0;
2145 } else {
2146 goto invalid_sdl_args;
2147 }
2148 } else if (strstart(opts, ",window_close=", &nextopt)) {
2149 opts = nextopt;
2150 if (strstart(opts, "on", &nextopt)) {
2151 no_quit = 0;
2152 } else if (strstart(opts, "off", &nextopt)) {
2153 no_quit = 1;
2154 } else {
2155 goto invalid_sdl_args;
2156 }
2157 } else if (strstart(opts, ",gl=", &nextopt)) {
2158 opts = nextopt;
2159 if (strstart(opts, "on", &nextopt)) {
2160 request_opengl = 1;
2161 } else if (strstart(opts, "off", &nextopt)) {
2162 request_opengl = 0;
2163 } else {
2164 goto invalid_sdl_args;
2165 }
2166 } else {
2167 invalid_sdl_args:
2168 error_report("invalid SDL option string");
2169 exit(1);
2170 }
2171 opts = nextopt;
2172 }
2173 #else
2174 error_report("SDL support is disabled");
2175 exit(1);
2176 #endif
2177 } else if (strstart(p, "vnc", &opts)) {
2178 if (*opts == '=') {
2179 vnc_parse(opts + 1, &error_fatal);
2180 } else {
2181 error_report("VNC requires a display argument vnc=<display>");
2182 exit(1);
2183 }
2184 } else if (strstart(p, "curses", &opts)) {
2185 #ifdef CONFIG_CURSES
2186 display = DT_CURSES;
2187 #else
2188 error_report("curses support is disabled");
2189 exit(1);
2190 #endif
2191 } else if (strstart(p, "gtk", &opts)) {
2192 #ifdef CONFIG_GTK
2193 display = DT_GTK;
2194 while (*opts) {
2195 const char *nextopt;
2196
2197 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2198 opts = nextopt;
2199 if (strstart(opts, "on", &nextopt)) {
2200 grab_on_hover = true;
2201 } else if (strstart(opts, "off", &nextopt)) {
2202 grab_on_hover = false;
2203 } else {
2204 goto invalid_gtk_args;
2205 }
2206 } else if (strstart(opts, ",gl=", &nextopt)) {
2207 opts = nextopt;
2208 if (strstart(opts, "on", &nextopt)) {
2209 request_opengl = 1;
2210 } else if (strstart(opts, "off", &nextopt)) {
2211 request_opengl = 0;
2212 } else {
2213 goto invalid_gtk_args;
2214 }
2215 } else {
2216 invalid_gtk_args:
2217 error_report("invalid GTK option string");
2218 exit(1);
2219 }
2220 opts = nextopt;
2221 }
2222 #else
2223 error_report("GTK support is disabled");
2224 exit(1);
2225 #endif
2226 } else if (strstart(p, "none", &opts)) {
2227 display = DT_NONE;
2228 } else {
2229 error_report("unknown display type");
2230 exit(1);
2231 }
2232
2233 return display;
2234 }
2235
2236 static int balloon_parse(const char *arg)
2237 {
2238 QemuOpts *opts;
2239
2240 if (strcmp(arg, "none") == 0) {
2241 return 0;
2242 }
2243
2244 if (!strncmp(arg, "virtio", 6)) {
2245 if (arg[6] == ',') {
2246 /* have params -> parse them */
2247 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2248 false);
2249 if (!opts)
2250 return -1;
2251 } else {
2252 /* create empty opts */
2253 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2254 &error_abort);
2255 }
2256 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2257 return 0;
2258 }
2259
2260 return -1;
2261 }
2262
2263 char *qemu_find_file(int type, const char *name)
2264 {
2265 int i;
2266 const char *subdir;
2267 char *buf;
2268
2269 /* Try the name as a straight path first */
2270 if (access(name, R_OK) == 0) {
2271 trace_load_file(name, name);
2272 return g_strdup(name);
2273 }
2274
2275 switch (type) {
2276 case QEMU_FILE_TYPE_BIOS:
2277 subdir = "";
2278 break;
2279 case QEMU_FILE_TYPE_KEYMAP:
2280 subdir = "keymaps/";
2281 break;
2282 default:
2283 abort();
2284 }
2285
2286 for (i = 0; i < data_dir_idx; i++) {
2287 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2288 if (access(buf, R_OK) == 0) {
2289 trace_load_file(name, buf);
2290 return buf;
2291 }
2292 g_free(buf);
2293 }
2294 return NULL;
2295 }
2296
2297 static inline bool nonempty_str(const char *str)
2298 {
2299 return str && *str;
2300 }
2301
2302 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2303 {
2304 gchar *buf;
2305 size_t size;
2306 const char *name, *file, *str;
2307 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2308
2309 if (fw_cfg == NULL) {
2310 error_report("fw_cfg device not available");
2311 return -1;
2312 }
2313 name = qemu_opt_get(opts, "name");
2314 file = qemu_opt_get(opts, "file");
2315 str = qemu_opt_get(opts, "string");
2316
2317 /* we need name and either a file or the content string */
2318 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2319 error_report("invalid argument(s)");
2320 return -1;
2321 }
2322 if (nonempty_str(file) && nonempty_str(str)) {
2323 error_report("file and string are mutually exclusive");
2324 return -1;
2325 }
2326 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2327 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2328 return -1;
2329 }
2330 if (strncmp(name, "opt/", 4) != 0) {
2331 error_report("warning: externally provided fw_cfg item names "
2332 "should be prefixed with \"opt/\"");
2333 }
2334 if (nonempty_str(str)) {
2335 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2336 buf = g_memdup(str, size);
2337 } else {
2338 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2339 error_report("can't load %s", file);
2340 return -1;
2341 }
2342 }
2343 /* For legacy, keep user files in a specific global order. */
2344 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2345 fw_cfg_add_file(fw_cfg, name, buf, size);
2346 fw_cfg_reset_order_override(fw_cfg);
2347 return 0;
2348 }
2349
2350 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2351 {
2352 return qdev_device_help(opts);
2353 }
2354
2355 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2356 {
2357 Error *err = NULL;
2358 DeviceState *dev;
2359
2360 dev = qdev_device_add(opts, &err);
2361 if (!dev) {
2362 error_report_err(err);
2363 return -1;
2364 }
2365 object_unref(OBJECT(dev));
2366 return 0;
2367 }
2368
2369 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2370 {
2371 Error *local_err = NULL;
2372
2373 qemu_chr_new_from_opts(opts, &local_err);
2374 if (local_err) {
2375 error_report_err(local_err);
2376 return -1;
2377 }
2378 return 0;
2379 }
2380
2381 #ifdef CONFIG_VIRTFS
2382 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 {
2384 return qemu_fsdev_add(opts);
2385 }
2386 #endif
2387
2388 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2389 {
2390 CharDriverState *chr;
2391 const char *chardev;
2392 const char *mode;
2393 int flags;
2394
2395 mode = qemu_opt_get(opts, "mode");
2396 if (mode == NULL) {
2397 mode = "readline";
2398 }
2399 if (strcmp(mode, "readline") == 0) {
2400 flags = MONITOR_USE_READLINE;
2401 } else if (strcmp(mode, "control") == 0) {
2402 flags = MONITOR_USE_CONTROL;
2403 } else {
2404 error_report("unknown monitor mode \"%s\"", mode);
2405 exit(1);
2406 }
2407
2408 if (qemu_opt_get_bool(opts, "pretty", 0))
2409 flags |= MONITOR_USE_PRETTY;
2410
2411 if (qemu_opt_get_bool(opts, "default", 0))
2412 flags |= MONITOR_IS_DEFAULT;
2413
2414 chardev = qemu_opt_get(opts, "chardev");
2415 chr = qemu_chr_find(chardev);
2416 if (chr == NULL) {
2417 error_report("chardev \"%s\" not found", chardev);
2418 exit(1);
2419 }
2420
2421 monitor_init(chr, flags);
2422 return 0;
2423 }
2424
2425 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2426 {
2427 static int monitor_device_index = 0;
2428 QemuOpts *opts;
2429 const char *p;
2430 char label[32];
2431 int def = 0;
2432
2433 if (strstart(optarg, "chardev:", &p)) {
2434 snprintf(label, sizeof(label), "%s", p);
2435 } else {
2436 snprintf(label, sizeof(label), "compat_monitor%d",
2437 monitor_device_index);
2438 if (monitor_device_index == 0) {
2439 def = 1;
2440 }
2441 opts = qemu_chr_parse_compat(label, optarg);
2442 if (!opts) {
2443 error_report("parse error: %s", optarg);
2444 exit(1);
2445 }
2446 }
2447
2448 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2449 qemu_opt_set(opts, "mode", mode, &error_abort);
2450 qemu_opt_set(opts, "chardev", label, &error_abort);
2451 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2452 if (def)
2453 qemu_opt_set(opts, "default", "on", &error_abort);
2454 monitor_device_index++;
2455 }
2456
2457 struct device_config {
2458 enum {
2459 DEV_USB, /* -usbdevice */
2460 DEV_BT, /* -bt */
2461 DEV_SERIAL, /* -serial */
2462 DEV_PARALLEL, /* -parallel */
2463 DEV_VIRTCON, /* -virtioconsole */
2464 DEV_DEBUGCON, /* -debugcon */
2465 DEV_GDB, /* -gdb, -s */
2466 DEV_SCLP, /* s390 sclp */
2467 } type;
2468 const char *cmdline;
2469 Location loc;
2470 QTAILQ_ENTRY(device_config) next;
2471 };
2472
2473 static QTAILQ_HEAD(, device_config) device_configs =
2474 QTAILQ_HEAD_INITIALIZER(device_configs);
2475
2476 static void add_device_config(int type, const char *cmdline)
2477 {
2478 struct device_config *conf;
2479
2480 conf = g_malloc0(sizeof(*conf));
2481 conf->type = type;
2482 conf->cmdline = cmdline;
2483 loc_save(&conf->loc);
2484 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2485 }
2486
2487 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2488 {
2489 struct device_config *conf;
2490 int rc;
2491
2492 QTAILQ_FOREACH(conf, &device_configs, next) {
2493 if (conf->type != type)
2494 continue;
2495 loc_push_restore(&conf->loc);
2496 rc = func(conf->cmdline);
2497 loc_pop(&conf->loc);
2498 if (rc) {
2499 return rc;
2500 }
2501 }
2502 return 0;
2503 }
2504
2505 static int serial_parse(const char *devname)
2506 {
2507 static int index = 0;
2508 char label[32];
2509
2510 if (strcmp(devname, "none") == 0)
2511 return 0;
2512 if (index == MAX_SERIAL_PORTS) {
2513 error_report("too many serial ports");
2514 exit(1);
2515 }
2516 snprintf(label, sizeof(label), "serial%d", index);
2517 serial_hds[index] = qemu_chr_new(label, devname);
2518 if (!serial_hds[index]) {
2519 error_report("could not connect serial device"
2520 " to character backend '%s'", devname);
2521 return -1;
2522 }
2523 index++;
2524 return 0;
2525 }
2526
2527 static int parallel_parse(const char *devname)
2528 {
2529 static int index = 0;
2530 char label[32];
2531
2532 if (strcmp(devname, "none") == 0)
2533 return 0;
2534 if (index == MAX_PARALLEL_PORTS) {
2535 error_report("too many parallel ports");
2536 exit(1);
2537 }
2538 snprintf(label, sizeof(label), "parallel%d", index);
2539 parallel_hds[index] = qemu_chr_new(label, devname);
2540 if (!parallel_hds[index]) {
2541 error_report("could not connect parallel device"
2542 " to character backend '%s'", devname);
2543 return -1;
2544 }
2545 index++;
2546 return 0;
2547 }
2548
2549 static int virtcon_parse(const char *devname)
2550 {
2551 QemuOptsList *device = qemu_find_opts("device");
2552 static int index = 0;
2553 char label[32];
2554 QemuOpts *bus_opts, *dev_opts;
2555
2556 if (strcmp(devname, "none") == 0)
2557 return 0;
2558 if (index == MAX_VIRTIO_CONSOLES) {
2559 error_report("too many virtio consoles");
2560 exit(1);
2561 }
2562
2563 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2564 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2565
2566 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2567 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2568
2569 snprintf(label, sizeof(label), "virtcon%d", index);
2570 virtcon_hds[index] = qemu_chr_new(label, devname);
2571 if (!virtcon_hds[index]) {
2572 error_report("could not connect virtio console"
2573 " to character backend '%s'", devname);
2574 return -1;
2575 }
2576 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2577
2578 index++;
2579 return 0;
2580 }
2581
2582 static int sclp_parse(const char *devname)
2583 {
2584 QemuOptsList *device = qemu_find_opts("device");
2585 static int index = 0;
2586 char label[32];
2587 QemuOpts *dev_opts;
2588
2589 if (strcmp(devname, "none") == 0) {
2590 return 0;
2591 }
2592 if (index == MAX_SCLP_CONSOLES) {
2593 error_report("too many sclp consoles");
2594 exit(1);
2595 }
2596
2597 assert(arch_type == QEMU_ARCH_S390X);
2598
2599 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2600 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2601
2602 snprintf(label, sizeof(label), "sclpcon%d", index);
2603 sclp_hds[index] = qemu_chr_new(label, devname);
2604 if (!sclp_hds[index]) {
2605 error_report("could not connect sclp console"
2606 " to character backend '%s'", devname);
2607 return -1;
2608 }
2609 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2610
2611 index++;
2612 return 0;
2613 }
2614
2615 static int debugcon_parse(const char *devname)
2616 {
2617 QemuOpts *opts;
2618
2619 if (!qemu_chr_new("debugcon", devname)) {
2620 exit(1);
2621 }
2622 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2623 if (!opts) {
2624 error_report("already have a debugcon device");
2625 exit(1);
2626 }
2627 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2628 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2629 return 0;
2630 }
2631
2632 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2633 {
2634 const MachineClass *mc1 = a, *mc2 = b;
2635 int res;
2636
2637 if (mc1->family == NULL) {
2638 if (mc2->family == NULL) {
2639 /* Compare standalone machine types against each other; they sort
2640 * in increasing order.
2641 */
2642 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2643 object_class_get_name(OBJECT_CLASS(mc2)));
2644 }
2645
2646 /* Standalone machine types sort after families. */
2647 return 1;
2648 }
2649
2650 if (mc2->family == NULL) {
2651 /* Families sort before standalone machine types. */
2652 return -1;
2653 }
2654
2655 /* Families sort between each other alphabetically increasingly. */
2656 res = strcmp(mc1->family, mc2->family);
2657 if (res != 0) {
2658 return res;
2659 }
2660
2661 /* Within the same family, machine types sort in decreasing order. */
2662 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2663 object_class_get_name(OBJECT_CLASS(mc1)));
2664 }
2665
2666 static MachineClass *machine_parse(const char *name)
2667 {
2668 MachineClass *mc = NULL;
2669 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2670
2671 if (name) {
2672 mc = find_machine(name);
2673 }
2674 if (mc) {
2675 g_slist_free(machines);
2676 return mc;
2677 }
2678 if (name && !is_help_option(name)) {
2679 error_report("unsupported machine type");
2680 error_printf("Use -machine help to list supported machines\n");
2681 } else {
2682 printf("Supported machines are:\n");
2683 machines = g_slist_sort(machines, machine_class_cmp);
2684 for (el = machines; el; el = el->next) {
2685 MachineClass *mc = el->data;
2686 if (mc->alias) {
2687 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2688 }
2689 printf("%-20s %s%s\n", mc->name, mc->desc,
2690 mc->is_default ? " (default)" : "");
2691 }
2692 }
2693
2694 g_slist_free(machines);
2695 exit(!name || !is_help_option(name));
2696 }
2697
2698 void qemu_add_exit_notifier(Notifier *notify)
2699 {
2700 notifier_list_add(&exit_notifiers, notify);
2701 }
2702
2703 void qemu_remove_exit_notifier(Notifier *notify)
2704 {
2705 notifier_remove(notify);
2706 }
2707
2708 static void qemu_run_exit_notifiers(void)
2709 {
2710 notifier_list_notify(&exit_notifiers, NULL);
2711 }
2712
2713 static bool machine_init_done;
2714
2715 void qemu_add_machine_init_done_notifier(Notifier *notify)
2716 {
2717 notifier_list_add(&machine_init_done_notifiers, notify);
2718 if (machine_init_done) {
2719 notify->notify(notify, NULL);
2720 }
2721 }
2722
2723 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2724 {
2725 notifier_remove(notify);
2726 }
2727
2728 static void qemu_run_machine_init_done_notifiers(void)
2729 {
2730 notifier_list_notify(&machine_init_done_notifiers, NULL);
2731 machine_init_done = true;
2732 }
2733
2734 static const QEMUOption *lookup_opt(int argc, char **argv,
2735 const char **poptarg, int *poptind)
2736 {
2737 const QEMUOption *popt;
2738 int optind = *poptind;
2739 char *r = argv[optind];
2740 const char *optarg;
2741
2742 loc_set_cmdline(argv, optind, 1);
2743 optind++;
2744 /* Treat --foo the same as -foo. */
2745 if (r[1] == '-')
2746 r++;
2747 popt = qemu_options;
2748 for(;;) {
2749 if (!popt->name) {
2750 error_report("invalid option");
2751 exit(1);
2752 }
2753 if (!strcmp(popt->name, r + 1))
2754 break;
2755 popt++;
2756 }
2757 if (popt->flags & HAS_ARG) {
2758 if (optind >= argc) {
2759 error_report("requires an argument");
2760 exit(1);
2761 }
2762 optarg = argv[optind++];
2763 loc_set_cmdline(argv, optind - 2, 2);
2764 } else {
2765 optarg = NULL;
2766 }
2767
2768 *poptarg = optarg;
2769 *poptind = optind;
2770
2771 return popt;
2772 }
2773
2774 static MachineClass *select_machine(void)
2775 {
2776 MachineClass *machine_class = find_default_machine();
2777 const char *optarg;
2778 QemuOpts *opts;
2779 Location loc;
2780
2781 loc_push_none(&loc);
2782
2783 opts = qemu_get_machine_opts();
2784 qemu_opts_loc_restore(opts);
2785
2786 optarg = qemu_opt_get(opts, "type");
2787 if (optarg) {
2788 machine_class = machine_parse(optarg);
2789 }
2790
2791 if (!machine_class) {
2792 error_report("No machine specified, and there is no default");
2793 error_printf("Use -machine help to list supported machines\n");
2794 exit(1);
2795 }
2796
2797 loc_pop(&loc);
2798 return machine_class;
2799 }
2800
2801 static int machine_set_property(void *opaque,
2802 const char *name, const char *value,
2803 Error **errp)
2804 {
2805 Object *obj = OBJECT(opaque);
2806 Error *local_err = NULL;
2807 char *p, *qom_name;
2808
2809 if (strcmp(name, "type") == 0) {
2810 return 0;
2811 }
2812
2813 qom_name = g_strdup(name);
2814 for (p = qom_name; *p; p++) {
2815 if (*p == '_') {
2816 *p = '-';
2817 }
2818 }
2819
2820 object_property_parse(obj, value, qom_name, &local_err);
2821 g_free(qom_name);
2822
2823 if (local_err) {
2824 error_report_err(local_err);
2825 return -1;
2826 }
2827
2828 return 0;
2829 }
2830
2831
2832 /*
2833 * Initial object creation happens before all other
2834 * QEMU data types are created. The majority of objects
2835 * can be created at this point. The rng-egd object
2836 * cannot be created here, as it depends on the chardev
2837 * already existing.
2838 */
2839 static bool object_create_initial(const char *type)
2840 {
2841 if (g_str_equal(type, "rng-egd")) {
2842 return false;
2843 }
2844
2845 /*
2846 * return false for concrete netfilters since
2847 * they depend on netdevs already existing
2848 */
2849 if (g_str_equal(type, "filter-buffer") ||
2850 g_str_equal(type, "filter-dump") ||
2851 g_str_equal(type, "filter-mirror") ||
2852 g_str_equal(type, "filter-redirector") ||
2853 g_str_equal(type, "colo-compare") ||
2854 g_str_equal(type, "filter-rewriter")) {
2855 return false;
2856 }
2857
2858 /* Memory allocation by backends needs to be done
2859 * after configure_accelerator() (due to the tcg_enabled()
2860 * checks at memory_region_init_*()).
2861 *
2862 * Also, allocation of large amounts of memory may delay
2863 * chardev initialization for too long, and trigger timeouts
2864 * on software that waits for a monitor socket to be created
2865 * (e.g. libvirt).
2866 */
2867 if (g_str_has_prefix(type, "memory-backend-")) {
2868 return false;
2869 }
2870
2871 return true;
2872 }
2873
2874
2875 /*
2876 * The remainder of object creation happens after the
2877 * creation of chardev, fsdev, net clients and device data types.
2878 */
2879 static bool object_create_delayed(const char *type)
2880 {
2881 return !object_create_initial(type);
2882 }
2883
2884
2885 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2886 MachineClass *mc)
2887 {
2888 uint64_t sz;
2889 const char *mem_str;
2890 const char *maxmem_str, *slots_str;
2891 const ram_addr_t default_ram_size = mc->default_ram_size;
2892 QemuOpts *opts = qemu_find_opts_singleton("memory");
2893 Location loc;
2894
2895 loc_push_none(&loc);
2896 qemu_opts_loc_restore(opts);
2897
2898 sz = 0;
2899 mem_str = qemu_opt_get(opts, "size");
2900 if (mem_str) {
2901 if (!*mem_str) {
2902 error_report("missing 'size' option value");
2903 exit(EXIT_FAILURE);
2904 }
2905
2906 sz = qemu_opt_get_size(opts, "size", ram_size);
2907
2908 /* Fix up legacy suffix-less format */
2909 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2910 uint64_t overflow_check = sz;
2911
2912 sz <<= 20;
2913 if ((sz >> 20) != overflow_check) {
2914 error_report("too large 'size' option value");
2915 exit(EXIT_FAILURE);
2916 }
2917 }
2918 }
2919
2920 /* backward compatibility behaviour for case "-m 0" */
2921 if (sz == 0) {
2922 sz = default_ram_size;
2923 }
2924
2925 sz = QEMU_ALIGN_UP(sz, 8192);
2926 ram_size = sz;
2927 if (ram_size != sz) {
2928 error_report("ram size too large");
2929 exit(EXIT_FAILURE);
2930 }
2931
2932 /* store value for the future use */
2933 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2934 *maxram_size = ram_size;
2935
2936 maxmem_str = qemu_opt_get(opts, "maxmem");
2937 slots_str = qemu_opt_get(opts, "slots");
2938 if (maxmem_str && slots_str) {
2939 uint64_t slots;
2940
2941 sz = qemu_opt_get_size(opts, "maxmem", 0);
2942 slots = qemu_opt_get_number(opts, "slots", 0);
2943 if (sz < ram_size) {
2944 error_report("invalid value of -m option maxmem: "
2945 "maximum memory size (0x%" PRIx64 ") must be at least "
2946 "the initial memory size (0x" RAM_ADDR_FMT ")",
2947 sz, ram_size);
2948 exit(EXIT_FAILURE);
2949 } else if (sz > ram_size) {
2950 if (!slots) {
2951 error_report("invalid value of -m option: maxmem was "
2952 "specified, but no hotplug slots were specified");
2953 exit(EXIT_FAILURE);
2954 }
2955 } else if (slots) {
2956 error_report("invalid value of -m option maxmem: "
2957 "memory slots were specified but maximum memory size "
2958 "(0x%" PRIx64 ") is equal to the initial memory size "
2959 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2960 exit(EXIT_FAILURE);
2961 }
2962
2963 *maxram_size = sz;
2964 *ram_slots = slots;
2965 } else if ((!maxmem_str && slots_str) ||
2966 (maxmem_str && !slots_str)) {
2967 error_report("invalid -m option value: missing "
2968 "'%s' option", slots_str ? "maxmem" : "slots");
2969 exit(EXIT_FAILURE);
2970 }
2971
2972 loc_pop(&loc);
2973 }
2974
2975 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2976 {
2977 GlobalProperty *g;
2978
2979 g = g_malloc0(sizeof(*g));
2980 g->driver = qemu_opt_get(opts, "driver");
2981 g->property = qemu_opt_get(opts, "property");
2982 g->value = qemu_opt_get(opts, "value");
2983 g->user_provided = true;
2984 g->errp = &error_fatal;
2985 qdev_prop_register_global(g);
2986 return 0;
2987 }
2988
2989 int main(int argc, char **argv, char **envp)
2990 {
2991 int i;
2992 int snapshot, linux_boot;
2993 const char *initrd_filename;
2994 const char *kernel_filename, *kernel_cmdline;
2995 const char *boot_order = NULL;
2996 const char *boot_once = NULL;
2997 DisplayState *ds;
2998 int cyls, heads, secs, translation;
2999 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3000 QemuOptsList *olist;
3001 int optind;
3002 const char *optarg;
3003 const char *loadvm = NULL;
3004 MachineClass *machine_class;
3005 const char *cpu_model;
3006 const char *vga_model = NULL;
3007 const char *qtest_chrdev = NULL;
3008 const char *qtest_log = NULL;
3009 const char *pid_file = NULL;
3010 const char *incoming = NULL;
3011 bool defconfig = true;
3012 bool userconfig = true;
3013 bool nographic = false;
3014 DisplayType display_type = DT_DEFAULT;
3015 int display_remote = 0;
3016 const char *log_mask = NULL;
3017 const char *log_file = NULL;
3018 char *trace_file = NULL;
3019 ram_addr_t maxram_size;
3020 uint64_t ram_slots = 0;
3021 FILE *vmstate_dump_file = NULL;
3022 Error *main_loop_err = NULL;
3023 Error *err = NULL;
3024 bool list_data_dirs = false;
3025
3026 module_call_init(MODULE_INIT_TRACE);
3027
3028 qemu_init_cpu_list();
3029 qemu_init_cpu_loop();
3030 qemu_mutex_lock_iothread();
3031
3032 atexit(qemu_run_exit_notifiers);
3033 error_set_progname(argv[0]);
3034 qemu_init_exec_dir(argv[0]);
3035
3036 module_call_init(MODULE_INIT_QOM);
3037 module_call_init(MODULE_INIT_QAPI);
3038
3039 qemu_add_opts(&qemu_drive_opts);
3040 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3041 qemu_add_drive_opts(&qemu_common_drive_opts);
3042 qemu_add_drive_opts(&qemu_drive_opts);
3043 qemu_add_drive_opts(&bdrv_runtime_opts);
3044 qemu_add_opts(&qemu_chardev_opts);
3045 qemu_add_opts(&qemu_device_opts);
3046 qemu_add_opts(&qemu_netdev_opts);
3047 qemu_add_opts(&qemu_net_opts);
3048 qemu_add_opts(&qemu_rtc_opts);
3049 qemu_add_opts(&qemu_global_opts);
3050 qemu_add_opts(&qemu_mon_opts);
3051 qemu_add_opts(&qemu_trace_opts);
3052 qemu_add_opts(&qemu_option_rom_opts);
3053 qemu_add_opts(&qemu_machine_opts);
3054 qemu_add_opts(&qemu_mem_opts);
3055 qemu_add_opts(&qemu_smp_opts);
3056 qemu_add_opts(&qemu_boot_opts);
3057 qemu_add_opts(&qemu_sandbox_opts);
3058 qemu_add_opts(&qemu_add_fd_opts);
3059 qemu_add_opts(&qemu_object_opts);
3060 qemu_add_opts(&qemu_tpmdev_opts);
3061 qemu_add_opts(&qemu_realtime_opts);
3062 qemu_add_opts(&qemu_msg_opts);
3063 qemu_add_opts(&qemu_name_opts);
3064 qemu_add_opts(&qemu_numa_opts);
3065 qemu_add_opts(&qemu_icount_opts);
3066 qemu_add_opts(&qemu_semihosting_config_opts);
3067 qemu_add_opts(&qemu_fw_cfg_opts);
3068 #ifdef CONFIG_LIBISCSI
3069 qemu_add_opts(&qemu_iscsi_opts);
3070 #endif
3071 module_call_init(MODULE_INIT_OPTS);
3072
3073 runstate_init();
3074
3075 if (qcrypto_init(&err) < 0) {
3076 error_reportf_err(err, "cannot initialize crypto: ");
3077 exit(1);
3078 }
3079 rtc_clock = QEMU_CLOCK_HOST;
3080
3081 QLIST_INIT (&vm_change_state_head);
3082 os_setup_early_signal_handling();
3083
3084 cpu_model = NULL;
3085 snapshot = 0;
3086 cyls = heads = secs = 0;
3087 translation = BIOS_ATA_TRANSLATION_AUTO;
3088
3089 nb_nics = 0;
3090
3091 bdrv_init_with_whitelist();
3092
3093 autostart = 1;
3094
3095 /* first pass of option parsing */
3096 optind = 1;
3097 while (optind < argc) {
3098 if (argv[optind][0] != '-') {
3099 /* disk image */
3100 optind++;
3101 } else {
3102 const QEMUOption *popt;
3103
3104 popt = lookup_opt(argc, argv, &optarg, &optind);
3105 switch (popt->index) {
3106 case QEMU_OPTION_nodefconfig:
3107 defconfig = false;
3108 break;
3109 case QEMU_OPTION_nouserconfig:
3110 userconfig = false;
3111 break;
3112 }
3113 }
3114 }
3115
3116 if (defconfig) {
3117 int ret;
3118 ret = qemu_read_default_config_files(userconfig);
3119 if (ret < 0) {
3120 exit(1);
3121 }
3122 }
3123
3124 /* second pass of option parsing */
3125 optind = 1;
3126 for(;;) {
3127 if (optind >= argc)
3128 break;
3129 if (argv[optind][0] != '-') {
3130 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3131 } else {
3132 const QEMUOption *popt;
3133
3134 popt = lookup_opt(argc, argv, &optarg, &optind);
3135 if (!(popt->arch_mask & arch_type)) {
3136 error_report("Option not supported for this target");
3137 exit(1);
3138 }
3139 switch(popt->index) {
3140 case QEMU_OPTION_no_kvm_irqchip: {
3141 olist = qemu_find_opts("machine");
3142 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3143 break;
3144 }
3145 case QEMU_OPTION_cpu:
3146 /* hw initialization will check this */
3147 cpu_model = optarg;
3148 break;
3149 case QEMU_OPTION_hda:
3150 {
3151 char buf[256];
3152 if (cyls == 0)
3153 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3154 else
3155 snprintf(buf, sizeof(buf),
3156 "%s,cyls=%d,heads=%d,secs=%d%s",
3157 HD_OPTS , cyls, heads, secs,
3158 translation == BIOS_ATA_TRANSLATION_LBA ?
3159 ",trans=lba" :
3160 translation == BIOS_ATA_TRANSLATION_NONE ?
3161 ",trans=none" : "");
3162 drive_add(IF_DEFAULT, 0, optarg, buf);
3163 break;
3164 }
3165 case QEMU_OPTION_hdb:
3166 case QEMU_OPTION_hdc:
3167 case QEMU_OPTION_hdd:
3168 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3169 HD_OPTS);
3170 break;
3171 case QEMU_OPTION_drive:
3172 if (drive_def(optarg) == NULL) {
3173 exit(1);
3174 }
3175 break;
3176 case QEMU_OPTION_set:
3177 if (qemu_set_option(optarg) != 0)
3178 exit(1);
3179 break;
3180 case QEMU_OPTION_global:
3181 if (qemu_global_option(optarg) != 0)
3182 exit(1);
3183 break;
3184 case QEMU_OPTION_mtdblock:
3185 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3186 break;
3187 case QEMU_OPTION_sd:
3188 drive_add(IF_SD, -1, optarg, SD_OPTS);
3189 break;
3190 case QEMU_OPTION_pflash:
3191 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3192 break;
3193 case QEMU_OPTION_snapshot:
3194 snapshot = 1;
3195 break;
3196 case QEMU_OPTION_hdachs:
3197 {
3198 const char *p;
3199 p = optarg;
3200 cyls = strtol(p, (char **)&p, 0);
3201 if (cyls < 1 || cyls > 16383)
3202 goto chs_fail;
3203 if (*p != ',')
3204 goto chs_fail;
3205 p++;
3206 heads = strtol(p, (char **)&p, 0);
3207 if (heads < 1 || heads > 16)
3208 goto chs_fail;
3209 if (*p != ',')
3210 goto chs_fail;
3211 p++;
3212 secs = strtol(p, (char **)&p, 0);
3213 if (secs < 1 || secs > 63)
3214 goto chs_fail;
3215 if (*p == ',') {
3216 p++;
3217 if (!strcmp(p, "large")) {
3218 translation = BIOS_ATA_TRANSLATION_LARGE;
3219 } else if (!strcmp(p, "rechs")) {
3220 translation = BIOS_ATA_TRANSLATION_RECHS;
3221 } else if (!strcmp(p, "none")) {
3222 translation = BIOS_ATA_TRANSLATION_NONE;
3223 } else if (!strcmp(p, "lba")) {
3224 translation = BIOS_ATA_TRANSLATION_LBA;
3225 } else if (!strcmp(p, "auto")) {
3226 translation = BIOS_ATA_TRANSLATION_AUTO;
3227 } else {
3228 goto chs_fail;
3229 }
3230 } else if (*p != '\0') {
3231 chs_fail:
3232 error_report("invalid physical CHS format");
3233 exit(1);
3234 }
3235 if (hda_opts != NULL) {
3236 qemu_opt_set_number(hda_opts, "cyls", cyls,
3237 &error_abort);
3238 qemu_opt_set_number(hda_opts, "heads", heads,
3239 &error_abort);
3240 qemu_opt_set_number(hda_opts, "secs", secs,
3241 &error_abort);
3242 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3243 qemu_opt_set(hda_opts, "trans", "large",
3244 &error_abort);
3245 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3246 qemu_opt_set(hda_opts, "trans", "rechs",
3247 &error_abort);
3248 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3249 qemu_opt_set(hda_opts, "trans", "lba",
3250 &error_abort);
3251 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3252 qemu_opt_set(hda_opts, "trans", "none",
3253 &error_abort);
3254 }
3255 }
3256 }
3257 break;
3258 case QEMU_OPTION_numa:
3259 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3260 optarg, true);
3261 if (!opts) {
3262 exit(1);
3263 }
3264 break;
3265 case QEMU_OPTION_display:
3266 display_type = select_display(optarg);
3267 break;
3268 case QEMU_OPTION_nographic:
3269 olist = qemu_find_opts("machine");
3270 qemu_opts_parse_noisily(olist, "graphics=off", false);
3271 nographic = true;
3272 display_type = DT_NONE;
3273 break;
3274 case QEMU_OPTION_curses:
3275 #ifdef CONFIG_CURSES
3276 display_type = DT_CURSES;
3277 #else
3278 error_report("curses support is disabled");
3279 exit(1);
3280 #endif
3281 break;
3282 case QEMU_OPTION_portrait:
3283 graphic_rotate = 90;
3284 break;
3285 case QEMU_OPTION_rotate:
3286 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3287 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3288 graphic_rotate != 180 && graphic_rotate != 270) {
3289 error_report("only 90, 180, 270 deg rotation is available");
3290 exit(1);
3291 }
3292 break;
3293 case QEMU_OPTION_kernel:
3294 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3295 &error_abort);
3296 break;
3297 case QEMU_OPTION_initrd:
3298 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3299 &error_abort);
3300 break;
3301 case QEMU_OPTION_append:
3302 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3303 &error_abort);
3304 break;
3305 case QEMU_OPTION_dtb:
3306 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3307 &error_abort);
3308 break;
3309 case QEMU_OPTION_cdrom:
3310 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3311 break;
3312 case QEMU_OPTION_boot:
3313 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3314 optarg, true);
3315 if (!opts) {
3316 exit(1);
3317 }
3318 break;
3319 case QEMU_OPTION_fda:
3320 case QEMU_OPTION_fdb:
3321 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3322 optarg, FD_OPTS);
3323 break;
3324 case QEMU_OPTION_no_fd_bootchk:
3325 fd_bootchk = 0;
3326 break;
3327 case QEMU_OPTION_netdev:
3328 default_net = 0;
3329 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3330 exit(1);
3331 }
3332 break;
3333 case QEMU_OPTION_net:
3334 default_net = 0;
3335 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3336 exit(1);
3337 }
3338 break;
3339 #ifdef CONFIG_LIBISCSI
3340 case QEMU_OPTION_iscsi:
3341 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3342 optarg, false);
3343 if (!opts) {
3344 exit(1);
3345 }
3346 break;
3347 #endif
3348 #ifdef CONFIG_SLIRP
3349 case QEMU_OPTION_tftp:
3350 error_report("The -tftp option is deprecated. "
3351 "Please use '-netdev user,tftp=...' instead.");
3352 legacy_tftp_prefix = optarg;
3353 break;
3354 case QEMU_OPTION_bootp:
3355 error_report("The -bootp option is deprecated. "
3356 "Please use '-netdev user,bootfile=...' instead.");
3357 legacy_bootp_filename = optarg;
3358 break;
3359 case QEMU_OPTION_redir:
3360 error_report("The -redir option is deprecated. "
3361 "Please use '-netdev user,hostfwd=...' instead.");
3362 if (net_slirp_redir(optarg) < 0)
3363 exit(1);
3364 break;
3365 #endif
3366 case QEMU_OPTION_bt:
3367 add_device_config(DEV_BT, optarg);
3368 break;
3369 case QEMU_OPTION_audio_help:
3370 AUD_help ();
3371 exit (0);
3372 break;
3373 case QEMU_OPTION_soundhw:
3374 select_soundhw (optarg);
3375 break;
3376 case QEMU_OPTION_h:
3377 help(0);
3378 break;
3379 case QEMU_OPTION_version:
3380 version();
3381 exit(0);
3382 break;
3383 case QEMU_OPTION_m:
3384 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3385 optarg, true);
3386 if (!opts) {
3387 exit(EXIT_FAILURE);
3388 }
3389 break;
3390 #ifdef CONFIG_TPM
3391 case QEMU_OPTION_tpmdev:
3392 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3393 exit(1);
3394 }
3395 break;
3396 #endif
3397 case QEMU_OPTION_mempath:
3398 mem_path = optarg;
3399 break;
3400 case QEMU_OPTION_mem_prealloc:
3401 mem_prealloc = 1;
3402 break;
3403 case QEMU_OPTION_d:
3404 log_mask = optarg;
3405 break;
3406 case QEMU_OPTION_D:
3407 log_file = optarg;
3408 break;
3409 case QEMU_OPTION_DFILTER:
3410 qemu_set_dfilter_ranges(optarg, &error_fatal);
3411 break;
3412 case QEMU_OPTION_s:
3413 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3414 break;
3415 case QEMU_OPTION_gdb:
3416 add_device_config(DEV_GDB, optarg);
3417 break;
3418 case QEMU_OPTION_L:
3419 if (is_help_option(optarg)) {
3420 list_data_dirs = true;
3421 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3422 data_dir[data_dir_idx++] = optarg;
3423 }
3424 break;
3425 case QEMU_OPTION_bios:
3426 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3427 &error_abort);
3428 break;
3429 case QEMU_OPTION_singlestep:
3430 singlestep = 1;
3431 break;
3432 case QEMU_OPTION_S:
3433 autostart = 0;
3434 break;
3435 case QEMU_OPTION_k:
3436 keyboard_layout = optarg;
3437 break;
3438 case QEMU_OPTION_localtime:
3439 rtc_utc = 0;
3440 break;
3441 case QEMU_OPTION_vga:
3442 vga_model = optarg;
3443 default_vga = 0;
3444 break;
3445 case QEMU_OPTION_g:
3446 {
3447 const char *p;
3448 int w, h, depth;
3449 p = optarg;
3450 w = strtol(p, (char **)&p, 10);
3451 if (w <= 0) {
3452 graphic_error:
3453 error_report("invalid resolution or depth");
3454 exit(1);
3455 }
3456 if (*p != 'x')
3457 goto graphic_error;
3458 p++;
3459 h = strtol(p, (char **)&p, 10);
3460 if (h <= 0)
3461 goto graphic_error;
3462 if (*p == 'x') {
3463 p++;
3464 depth = strtol(p, (char **)&p, 10);
3465 if (depth != 8 && depth != 15 && depth != 16 &&
3466 depth != 24 && depth != 32)
3467 goto graphic_error;
3468 } else if (*p == '\0') {
3469 depth = graphic_depth;
3470 } else {
3471 goto graphic_error;
3472 }
3473
3474 graphic_width = w;
3475 graphic_height = h;
3476 graphic_depth = depth;
3477 }
3478 break;
3479 case QEMU_OPTION_echr:
3480 {
3481 char *r;
3482 term_escape_char = strtol(optarg, &r, 0);
3483 if (r == optarg)
3484 printf("Bad argument to echr\n");
3485 break;
3486 }
3487 case QEMU_OPTION_monitor:
3488 default_monitor = 0;
3489 if (strncmp(optarg, "none", 4)) {
3490 monitor_parse(optarg, "readline", false);
3491 }
3492 break;
3493 case QEMU_OPTION_qmp:
3494 monitor_parse(optarg, "control", false);
3495 default_monitor = 0;
3496 break;
3497 case QEMU_OPTION_qmp_pretty:
3498 monitor_parse(optarg, "control", true);
3499 default_monitor = 0;
3500 break;
3501 case QEMU_OPTION_mon:
3502 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3503 true);
3504 if (!opts) {
3505 exit(1);
3506 }
3507 default_monitor = 0;
3508 break;
3509 case QEMU_OPTION_chardev:
3510 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3511 optarg, true);
3512 if (!opts) {
3513 exit(1);
3514 }
3515 break;
3516 case QEMU_OPTION_fsdev:
3517 olist = qemu_find_opts("fsdev");
3518 if (!olist) {
3519 error_report("fsdev support is disabled");
3520 exit(1);
3521 }
3522 opts = qemu_opts_parse_noisily(olist, optarg, true);
3523 if (!opts) {
3524 exit(1);
3525 }
3526 break;
3527 case QEMU_OPTION_virtfs: {
3528 QemuOpts *fsdev;
3529 QemuOpts *device;
3530 const char *writeout, *sock_fd, *socket;
3531
3532 olist = qemu_find_opts("virtfs");
3533 if (!olist) {
3534 error_report("virtfs support is disabled");
3535 exit(1);
3536 }
3537 opts = qemu_opts_parse_noisily(olist, optarg, true);
3538 if (!opts) {
3539 exit(1);
3540 }
3541
3542 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3543 qemu_opt_get(opts, "mount_tag") == NULL) {
3544 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3545 exit(1);
3546 }
3547 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3548 qemu_opt_get(opts, "mount_tag"),
3549 1, NULL);
3550 if (!fsdev) {
3551 error_report("duplicate fsdev id: %s",
3552 qemu_opt_get(opts, "mount_tag"));
3553 exit(1);
3554 }
3555
3556 writeout = qemu_opt_get(opts, "writeout");
3557 if (writeout) {
3558 #ifdef CONFIG_SYNC_FILE_RANGE
3559 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3560 #else
3561 error_report("writeout=immediate not supported "
3562 "on this platform");
3563 exit(1);
3564 #endif
3565 }
3566 qemu_opt_set(fsdev, "fsdriver",
3567 qemu_opt_get(opts, "fsdriver"), &error_abort);
3568 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3569 &error_abort);
3570 qemu_opt_set(fsdev, "security_model",
3571 qemu_opt_get(opts, "security_model"),
3572 &error_abort);
3573 socket = qemu_opt_get(opts, "socket");
3574 if (socket) {
3575 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3576 }
3577 sock_fd = qemu_opt_get(opts, "sock_fd");
3578 if (sock_fd) {
3579 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3580 }
3581
3582 qemu_opt_set_bool(fsdev, "readonly",
3583 qemu_opt_get_bool(opts, "readonly", 0),
3584 &error_abort);
3585 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3586 &error_abort);
3587 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3588 qemu_opt_set(device, "fsdev",
3589 qemu_opt_get(opts, "mount_tag"), &error_abort);
3590 qemu_opt_set(device, "mount_tag",
3591 qemu_opt_get(opts, "mount_tag"), &error_abort);
3592 break;
3593 }
3594 case QEMU_OPTION_virtfs_synth: {
3595 QemuOpts *fsdev;
3596 QemuOpts *device;
3597
3598 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3599 1, NULL);
3600 if (!fsdev) {
3601 error_report("duplicate option: %s", "virtfs_synth");
3602 exit(1);
3603 }
3604 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3605
3606 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3607 &error_abort);
3608 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3609 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3610 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3611 break;
3612 }
3613 case QEMU_OPTION_serial:
3614 add_device_config(DEV_SERIAL, optarg);
3615 default_serial = 0;
3616 if (strncmp(optarg, "mon:", 4) == 0) {
3617 default_monitor = 0;
3618 }
3619 break;
3620 case QEMU_OPTION_watchdog:
3621 if (watchdog) {
3622 error_report("only one watchdog option may be given");
3623 return 1;
3624 }
3625 watchdog = optarg;
3626 break;
3627 case QEMU_OPTION_watchdog_action:
3628 if (select_watchdog_action(optarg) == -1) {
3629 error_report("unknown -watchdog-action parameter");
3630 exit(1);
3631 }
3632 break;
3633 case QEMU_OPTION_virtiocon:
3634 add_device_config(DEV_VIRTCON, optarg);
3635 default_virtcon = 0;
3636 if (strncmp(optarg, "mon:", 4) == 0) {
3637 default_monitor = 0;
3638 }
3639 break;
3640 case QEMU_OPTION_parallel:
3641 add_device_config(DEV_PARALLEL, optarg);
3642 default_parallel = 0;
3643 if (strncmp(optarg, "mon:", 4) == 0) {
3644 default_monitor = 0;
3645 }
3646 break;
3647 case QEMU_OPTION_debugcon:
3648 add_device_config(DEV_DEBUGCON, optarg);
3649 break;
3650 case QEMU_OPTION_loadvm:
3651 loadvm = optarg;
3652 break;
3653 case QEMU_OPTION_full_screen:
3654 full_screen = 1;
3655 break;
3656 case QEMU_OPTION_no_frame:
3657 no_frame = 1;
3658 break;
3659 case QEMU_OPTION_alt_grab:
3660 alt_grab = 1;
3661 break;
3662 case QEMU_OPTION_ctrl_grab:
3663 ctrl_grab = 1;
3664 break;
3665 case QEMU_OPTION_no_quit:
3666 no_quit = 1;
3667 break;
3668 case QEMU_OPTION_sdl:
3669 #ifdef CONFIG_SDL
3670 display_type = DT_SDL;
3671 break;
3672 #else
3673 error_report("SDL support is disabled");
3674 exit(1);
3675 #endif
3676 case QEMU_OPTION_pidfile:
3677 pid_file = optarg;
3678 break;
3679 case QEMU_OPTION_win2k_hack:
3680 win2k_install_hack = 1;
3681 break;
3682 case QEMU_OPTION_rtc_td_hack: {
3683 static GlobalProperty slew_lost_ticks = {
3684 .driver = "mc146818rtc",
3685 .property = "lost_tick_policy",
3686 .value = "slew",
3687 };
3688
3689 qdev_prop_register_global(&slew_lost_ticks);
3690 break;
3691 }
3692 case QEMU_OPTION_acpitable:
3693 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3694 optarg, true);
3695 if (!opts) {
3696 exit(1);
3697 }
3698 do_acpitable_option(opts);
3699 break;
3700 case QEMU_OPTION_smbios:
3701 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3702 optarg, false);
3703 if (!opts) {
3704 exit(1);
3705 }
3706 do_smbios_option(opts);
3707 break;
3708 case QEMU_OPTION_fwcfg:
3709 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3710 optarg, true);
3711 if (opts == NULL) {
3712 exit(1);
3713 }
3714 break;
3715 case QEMU_OPTION_enable_kvm:
3716 olist = qemu_find_opts("machine");
3717 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3718 break;
3719 case QEMU_OPTION_M:
3720 case QEMU_OPTION_machine:
3721 olist = qemu_find_opts("machine");
3722 opts = qemu_opts_parse_noisily(olist, optarg, true);
3723 if (!opts) {
3724 exit(1);
3725 }
3726 break;
3727 case QEMU_OPTION_no_kvm:
3728 olist = qemu_find_opts("machine");
3729 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3730 break;
3731 case QEMU_OPTION_no_kvm_pit: {
3732 error_report("warning: ignoring deprecated option");
3733 break;
3734 }
3735 case QEMU_OPTION_no_kvm_pit_reinjection: {
3736 static GlobalProperty kvm_pit_lost_tick_policy = {
3737 .driver = "kvm-pit",
3738 .property = "lost_tick_policy",
3739 .value = "discard",
3740 };
3741
3742 error_report("warning: deprecated, replaced by "
3743 "-global kvm-pit.lost_tick_policy=discard");
3744 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3745 break;
3746 }
3747 case QEMU_OPTION_usb:
3748 olist = qemu_find_opts("machine");
3749 qemu_opts_parse_noisily(olist, "usb=on", false);
3750 break;
3751 case QEMU_OPTION_usbdevice:
3752 olist = qemu_find_opts("machine");
3753 qemu_opts_parse_noisily(olist, "usb=on", false);
3754 add_device_config(DEV_USB, optarg);
3755 break;
3756 case QEMU_OPTION_device:
3757 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3758 optarg, true)) {
3759 exit(1);
3760 }
3761 break;
3762 case QEMU_OPTION_smp:
3763 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3764 optarg, true)) {
3765 exit(1);
3766 }
3767 break;
3768 case QEMU_OPTION_vnc:
3769 vnc_parse(optarg, &error_fatal);
3770 break;
3771 case QEMU_OPTION_no_acpi:
3772 acpi_enabled = 0;
3773 break;
3774 case QEMU_OPTION_no_hpet:
3775 no_hpet = 1;
3776 break;
3777 case QEMU_OPTION_balloon:
3778 if (balloon_parse(optarg) < 0) {
3779 error_report("unknown -balloon argument %s", optarg);
3780 exit(1);
3781 }
3782 break;
3783 case QEMU_OPTION_no_reboot:
3784 no_reboot = 1;
3785 break;
3786 case QEMU_OPTION_no_shutdown:
3787 no_shutdown = 1;
3788 break;
3789 case QEMU_OPTION_show_cursor:
3790 cursor_hide = 0;
3791 break;
3792 case QEMU_OPTION_uuid:
3793 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3794 error_report("failed to parse UUID string: wrong format");
3795 exit(1);
3796 }
3797 qemu_uuid_set = true;
3798 break;
3799 case QEMU_OPTION_option_rom:
3800 if (nb_option_roms >= MAX_OPTION_ROMS) {
3801 error_report("too many option ROMs");
3802 exit(1);
3803 }
3804 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3805 optarg, true);
3806 if (!opts) {
3807 exit(1);
3808 }
3809 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3810 option_rom[nb_option_roms].bootindex =
3811 qemu_opt_get_number(opts, "bootindex", -1);
3812 if (!option_rom[nb_option_roms].name) {
3813 error_report("Option ROM file is not specified");
3814 exit(1);
3815 }
3816 nb_option_roms++;
3817 break;
3818 case QEMU_OPTION_semihosting:
3819 semihosting.enabled = true;
3820 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3821 break;
3822 case QEMU_OPTION_semihosting_config:
3823 semihosting.enabled = true;
3824 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3825 optarg, false);
3826 if (opts != NULL) {
3827 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3828 true);
3829 const char *target = qemu_opt_get(opts, "target");
3830 if (target != NULL) {
3831 if (strcmp("native", target) == 0) {
3832 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3833 } else if (strcmp("gdb", target) == 0) {
3834 semihosting.target = SEMIHOSTING_TARGET_GDB;
3835 } else if (strcmp("auto", target) == 0) {
3836 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3837 } else {
3838 error_report("unsupported semihosting-config %s",
3839 optarg);
3840 exit(1);
3841 }
3842 } else {
3843 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3844 }
3845 /* Set semihosting argument count and vector */
3846 qemu_opt_foreach(opts, add_semihosting_arg,
3847 &semihosting, NULL);
3848 } else {
3849 error_report("unsupported semihosting-config %s", optarg);
3850 exit(1);
3851 }
3852 break;
3853 case QEMU_OPTION_tdf:
3854 error_report("warning: ignoring deprecated option");
3855 break;
3856 case QEMU_OPTION_name:
3857 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3858 optarg, true);
3859 if (!opts) {
3860 exit(1);
3861 }
3862 break;
3863 case QEMU_OPTION_prom_env:
3864 if (nb_prom_envs >= MAX_PROM_ENVS) {
3865 error_report("too many prom variables");
3866 exit(1);
3867 }
3868 prom_envs[nb_prom_envs] = optarg;
3869 nb_prom_envs++;
3870 break;
3871 case QEMU_OPTION_old_param:
3872 old_param = 1;
3873 break;
3874 case QEMU_OPTION_clock:
3875 /* Clock options no longer exist. Keep this option for
3876 * backward compatibility.
3877 */
3878 break;
3879 case QEMU_OPTION_startdate:
3880 configure_rtc_date_offset(optarg, 1);
3881 break;
3882 case QEMU_OPTION_rtc:
3883 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3884 false);
3885 if (!opts) {
3886 exit(1);
3887 }
3888 configure_rtc(opts);
3889 break;
3890 case QEMU_OPTION_tb_size:
3891 tcg_tb_size = strtol(optarg, NULL, 0);
3892 if (tcg_tb_size < 0) {
3893 tcg_tb_size = 0;
3894 }
3895 break;
3896 case QEMU_OPTION_icount:
3897 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3898 optarg, true);
3899 if (!icount_opts) {
3900 exit(1);
3901 }
3902 break;
3903 case QEMU_OPTION_incoming:
3904 if (!incoming) {
3905 runstate_set(RUN_STATE_INMIGRATE);
3906 }
3907 incoming = optarg;
3908 break;
3909 case QEMU_OPTION_nodefaults:
3910 has_defaults = 0;
3911 break;
3912 case QEMU_OPTION_xen_domid:
3913 if (!(xen_available())) {
3914 error_report("Option not supported for this target");
3915 exit(1);
3916 }
3917 xen_domid = atoi(optarg);
3918 break;
3919 case QEMU_OPTION_xen_create:
3920 if (!(xen_available())) {
3921 error_report("Option not supported for this target");
3922 exit(1);
3923 }
3924 xen_mode = XEN_CREATE;
3925 break;
3926 case QEMU_OPTION_xen_attach:
3927 if (!(xen_available())) {
3928 error_report("Option not supported for this target");
3929 exit(1);
3930 }
3931 xen_mode = XEN_ATTACH;
3932 break;
3933 case QEMU_OPTION_trace:
3934 g_free(trace_file);
3935 trace_file = trace_opt_parse(optarg);
3936 break;
3937 case QEMU_OPTION_readconfig:
3938 {
3939 int ret = qemu_read_config_file(optarg);
3940 if (ret < 0) {
3941 error_report("read config %s: %s", optarg,
3942 strerror(-ret));
3943 exit(1);
3944 }
3945 break;
3946 }
3947 case QEMU_OPTION_spice:
3948 olist = qemu_find_opts("spice");
3949 if (!olist) {
3950 error_report("spice support is disabled");
3951 exit(1);
3952 }
3953 opts = qemu_opts_parse_noisily(olist, optarg, false);
3954 if (!opts) {
3955 exit(1);
3956 }
3957 display_remote++;
3958 break;
3959 case QEMU_OPTION_writeconfig:
3960 {
3961 FILE *fp;
3962 if (strcmp(optarg, "-") == 0) {
3963 fp = stdout;
3964 } else {
3965 fp = fopen(optarg, "w");
3966 if (fp == NULL) {
3967 error_report("open %s: %s", optarg,
3968 strerror(errno));
3969 exit(1);
3970 }
3971 }
3972 qemu_config_write(fp);
3973 if (fp != stdout) {
3974 fclose(fp);
3975 }
3976 break;
3977 }
3978 case QEMU_OPTION_qtest:
3979 qtest_chrdev = optarg;
3980 break;
3981 case QEMU_OPTION_qtest_log:
3982 qtest_log = optarg;
3983 break;
3984 case QEMU_OPTION_sandbox:
3985 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3986 optarg, true);
3987 if (!opts) {
3988 exit(1);
3989 }
3990 break;
3991 case QEMU_OPTION_add_fd:
3992 #ifndef _WIN32
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3994 optarg, false);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 #else
3999 error_report("File descriptor passing is disabled on this "
4000 "platform");
4001 exit(1);
4002 #endif
4003 break;
4004 case QEMU_OPTION_object:
4005 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4006 optarg, true);
4007 if (!opts) {
4008 exit(1);
4009 }
4010 break;
4011 case QEMU_OPTION_realtime:
4012 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4013 optarg, false);
4014 if (!opts) {
4015 exit(1);
4016 }
4017 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4018 break;
4019 case QEMU_OPTION_msg:
4020 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4021 false);
4022 if (!opts) {
4023 exit(1);
4024 }
4025 configure_msg(opts);
4026 break;
4027 case QEMU_OPTION_dump_vmstate:
4028 if (vmstate_dump_file) {
4029 error_report("only one '-dump-vmstate' "
4030 "option may be given");
4031 exit(1);
4032 }
4033 vmstate_dump_file = fopen(optarg, "w");
4034 if (vmstate_dump_file == NULL) {
4035 error_report("open %s: %s", optarg, strerror(errno));
4036 exit(1);
4037 }
4038 break;
4039 default:
4040 os_parse_cmd_args(popt->index, optarg);
4041 }
4042 }
4043 }
4044 /*
4045 * Clear error location left behind by the loop.
4046 * Best done right after the loop. Do not insert code here!
4047 */
4048 loc_set_none();
4049
4050 replay_configure(icount_opts);
4051
4052 machine_class = select_machine();
4053
4054 set_memory_options(&ram_slots, &maxram_size, machine_class);
4055
4056 os_daemonize();
4057
4058 if (qemu_init_main_loop(&main_loop_err)) {
4059 error_report_err(main_loop_err);
4060 exit(1);
4061 }
4062
4063 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4064 parse_sandbox, NULL, NULL)) {
4065 exit(1);
4066 }
4067
4068 if (qemu_opts_foreach(qemu_find_opts("name"),
4069 parse_name, NULL, NULL)) {
4070 exit(1);
4071 }
4072
4073 #ifndef _WIN32
4074 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4075 parse_add_fd, NULL, NULL)) {
4076 exit(1);
4077 }
4078
4079 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4080 cleanup_add_fd, NULL, NULL)) {
4081 exit(1);
4082 }
4083 #endif
4084
4085 current_machine = MACHINE(object_new(object_class_get_name(
4086 OBJECT_CLASS(machine_class))));
4087 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4088 exit(0);
4089 }
4090 object_property_add_child(object_get_root(), "machine",
4091 OBJECT(current_machine), &error_abort);
4092
4093 if (machine_class->minimum_page_bits) {
4094 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4095 /* This would be a board error: specifying a minimum smaller than
4096 * a target's compile-time fixed setting.
4097 */
4098 g_assert_not_reached();
4099 }
4100 }
4101
4102 cpu_exec_init_all();
4103
4104 if (machine_class->hw_version) {
4105 qemu_set_hw_version(machine_class->hw_version);
4106 }
4107
4108 if (cpu_model && is_help_option(cpu_model)) {
4109 list_cpus(stdout, &fprintf, cpu_model);
4110 exit(0);
4111 }
4112
4113 if (!trace_init_backends()) {
4114 exit(1);
4115 }
4116 trace_init_file(trace_file);
4117
4118 /* Open the logfile at this point and set the log mask if necessary.
4119 */
4120 if (log_file) {
4121 qemu_set_log_filename(log_file, &error_fatal);
4122 }
4123
4124 if (log_mask) {
4125 int mask;
4126 mask = qemu_str_to_log_mask(log_mask);
4127 if (!mask) {
4128 qemu_print_log_usage(stdout);
4129 exit(1);
4130 }
4131 qemu_set_log(mask);
4132 } else {
4133 qemu_set_log(0);
4134 }
4135
4136 /* If no data_dir is specified then try to find it relative to the
4137 executable path. */
4138 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4139 data_dir[data_dir_idx] = os_find_datadir();
4140 if (data_dir[data_dir_idx] != NULL) {
4141 data_dir_idx++;
4142 }
4143 }
4144 /* If all else fails use the install path specified when building. */
4145 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4146 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4147 }
4148
4149 /* -L help lists the data directories and exits. */
4150 if (list_data_dirs) {
4151 for (i = 0; i < data_dir_idx; i++) {
4152 printf("%s\n", data_dir[i]);
4153 }
4154 exit(0);
4155 }
4156
4157 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4158
4159 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4160 if (max_cpus > machine_class->max_cpus) {
4161 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4162 "supported by machine '%s' (%d)", max_cpus,
4163 machine_class->name, machine_class->max_cpus);
4164 exit(1);
4165 }
4166
4167 /*
4168 * Get the default machine options from the machine if it is not already
4169 * specified either by the configuration file or by the command line.
4170 */
4171 if (machine_class->default_machine_opts) {
4172 qemu_opts_set_defaults(qemu_find_opts("machine"),
4173 machine_class->default_machine_opts, 0);
4174 }
4175
4176 qemu_opts_foreach(qemu_find_opts("device"),
4177 default_driver_check, NULL, NULL);
4178 qemu_opts_foreach(qemu_find_opts("global"),
4179 default_driver_check, NULL, NULL);
4180
4181 if (!vga_model && !default_vga) {
4182 vga_interface_type = VGA_DEVICE;
4183 }
4184 if (!has_defaults || machine_class->no_serial) {
4185 default_serial = 0;
4186 }
4187 if (!has_defaults || machine_class->no_parallel) {
4188 default_parallel = 0;
4189 }
4190 if (!has_defaults || !machine_class->use_virtcon) {
4191 default_virtcon = 0;
4192 }
4193 if (!has_defaults || !machine_class->use_sclp) {
4194 default_sclp = 0;
4195 }
4196 if (!has_defaults || machine_class->no_floppy) {
4197 default_floppy = 0;
4198 }
4199 if (!has_defaults || machine_class->no_cdrom) {
4200 default_cdrom = 0;
4201 }
4202 if (!has_defaults || machine_class->no_sdcard) {
4203 default_sdcard = 0;
4204 }
4205 if (!has_defaults) {
4206 default_monitor = 0;
4207 default_net = 0;
4208 default_vga = 0;
4209 }
4210
4211 if (is_daemonized()) {
4212 /* According to documentation and historically, -nographic redirects
4213 * serial port, parallel port and monitor to stdio, which does not work
4214 * with -daemonize. We can redirect these to null instead, but since
4215 * -nographic is legacy, let's just error out.
4216 * We disallow -nographic only if all other ports are not redirected
4217 * explicitly, to not break existing legacy setups which uses
4218 * -nographic _and_ redirects all ports explicitly - this is valid
4219 * usage, -nographic is just a no-op in this case.
4220 */
4221 if (nographic
4222 && (default_parallel || default_serial
4223 || default_monitor || default_virtcon)) {
4224 error_report("-nographic cannot be used with -daemonize");
4225 exit(1);
4226 }
4227 #ifdef CONFIG_CURSES
4228 if (display_type == DT_CURSES) {
4229 error_report("curses display cannot be used with -daemonize");
4230 exit(1);
4231 }
4232 #endif
4233 }
4234
4235 if (nographic) {
4236 if (default_parallel)
4237 add_device_config(DEV_PARALLEL, "null");
4238 if (default_serial && default_monitor) {
4239 add_device_config(DEV_SERIAL, "mon:stdio");
4240 } else if (default_virtcon && default_monitor) {
4241 add_device_config(DEV_VIRTCON, "mon:stdio");
4242 } else if (default_sclp && default_monitor) {
4243 add_device_config(DEV_SCLP, "mon:stdio");
4244 } else {
4245 if (default_serial)
4246 add_device_config(DEV_SERIAL, "stdio");
4247 if (default_virtcon)
4248 add_device_config(DEV_VIRTCON, "stdio");
4249 if (default_sclp) {
4250 add_device_config(DEV_SCLP, "stdio");
4251 }
4252 if (default_monitor)
4253 monitor_parse("stdio", "readline", false);
4254 }
4255 } else {
4256 if (default_serial)
4257 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4258 if (default_parallel)
4259 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4260 if (default_monitor)
4261 monitor_parse("vc:80Cx24C", "readline", false);
4262 if (default_virtcon)
4263 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4264 if (default_sclp) {
4265 add_device_config(DEV_SCLP, "vc:80Cx24C");
4266 }
4267 }
4268
4269 #if defined(CONFIG_VNC)
4270 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4271 display_remote++;
4272 }
4273 #endif
4274 if (display_type == DT_DEFAULT && !display_remote) {
4275 #if defined(CONFIG_GTK)
4276 display_type = DT_GTK;
4277 #elif defined(CONFIG_SDL)
4278 display_type = DT_SDL;
4279 #elif defined(CONFIG_COCOA)
4280 display_type = DT_COCOA;
4281 #elif defined(CONFIG_VNC)
4282 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4283 #else
4284 display_type = DT_NONE;
4285 #endif
4286 }
4287
4288 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4289 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4290 "for SDL, ignoring option");
4291 }
4292 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4293 error_report("-no-quit is only valid for GTK and SDL, "
4294 "ignoring option");
4295 }
4296
4297 if (display_type == DT_GTK) {
4298 early_gtk_display_init(request_opengl);
4299 }
4300
4301 if (display_type == DT_SDL) {
4302 sdl_display_early_init(request_opengl);
4303 }
4304
4305 if (request_opengl == 1 && display_opengl == 0) {
4306 #if defined(CONFIG_OPENGL)
4307 error_report("OpenGL is not supported by the display");
4308 #else
4309 error_report("OpenGL support is disabled");
4310 #endif
4311 exit(1);
4312 }
4313
4314 page_size_init();
4315 socket_init();
4316
4317 if (qemu_opts_foreach(qemu_find_opts("object"),
4318 user_creatable_add_opts_foreach,
4319 object_create_initial, NULL)) {
4320 exit(1);
4321 }
4322
4323 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4324 chardev_init_func, NULL, NULL)) {
4325 exit(1);
4326 }
4327
4328 #ifdef CONFIG_VIRTFS
4329 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4330 fsdev_init_func, NULL, NULL)) {
4331 exit(1);
4332 }
4333 #endif
4334
4335 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4336 error_report("could not acquire pid file: %s", strerror(errno));
4337 exit(1);
4338 }
4339
4340 if (qemu_opts_foreach(qemu_find_opts("device"),
4341 device_help_func, NULL, NULL)) {
4342 exit(0);
4343 }
4344
4345 machine_opts = qemu_get_machine_opts();
4346 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4347 NULL)) {
4348 object_unref(OBJECT(current_machine));
4349 exit(1);
4350 }
4351
4352 configure_accelerator(current_machine);
4353
4354 if (qtest_chrdev) {
4355 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4356 }
4357
4358 machine_opts = qemu_get_machine_opts();
4359 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4360 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4361 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4362 bios_name = qemu_opt_get(machine_opts, "firmware");
4363
4364 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4365 if (opts) {
4366 boot_order = qemu_opt_get(opts, "order");
4367 if (boot_order) {
4368 validate_bootdevices(boot_order, &error_fatal);
4369 }
4370
4371 boot_once = qemu_opt_get(opts, "once");
4372 if (boot_once) {
4373 validate_bootdevices(boot_once, &error_fatal);
4374 }
4375
4376 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4377 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4378 }
4379
4380 if (!boot_order) {
4381 boot_order = machine_class->default_boot_order;
4382 }
4383
4384 if (!kernel_cmdline) {
4385 kernel_cmdline = "";
4386 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4387 }
4388
4389 linux_boot = (kernel_filename != NULL);
4390
4391 if (!linux_boot && *kernel_cmdline != '\0') {
4392 error_report("-append only allowed with -kernel option");
4393 exit(1);
4394 }
4395
4396 if (!linux_boot && initrd_filename != NULL) {
4397 error_report("-initrd only allowed with -kernel option");
4398 exit(1);
4399 }
4400
4401 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4402 /* fall back to the -kernel/-append */
4403 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4404 }
4405
4406 os_set_line_buffering();
4407
4408 /* spice needs the timers to be initialized by this point */
4409 qemu_spice_init();
4410
4411 cpu_ticks_init();
4412 if (icount_opts) {
4413 if (kvm_enabled() || xen_enabled()) {
4414 error_report("-icount is not allowed with kvm or xen");
4415 exit(1);
4416 }
4417 configure_icount(icount_opts, &error_abort);
4418 qemu_opts_del(icount_opts);
4419 }
4420
4421 if (default_net) {
4422 QemuOptsList *net = qemu_find_opts("net");
4423 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4424 #ifdef CONFIG_SLIRP
4425 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4426 #endif
4427 }
4428
4429 if (net_init_clients() < 0) {
4430 exit(1);
4431 }
4432
4433 if (qemu_opts_foreach(qemu_find_opts("object"),
4434 user_creatable_add_opts_foreach,
4435 object_create_delayed, NULL)) {
4436 exit(1);
4437 }
4438
4439 #ifdef CONFIG_TPM
4440 if (tpm_init() < 0) {
4441 exit(1);
4442 }
4443 #endif
4444
4445 /* init the bluetooth world */
4446 if (foreach_device_config(DEV_BT, bt_parse))
4447 exit(1);
4448
4449 if (!xen_enabled()) {
4450 /* On 32-bit hosts, QEMU is limited by virtual address space */
4451 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4452 error_report("at most 2047 MB RAM can be simulated");
4453 exit(1);
4454 }
4455 }
4456
4457 blk_mig_init();
4458 ram_mig_init();
4459
4460 /* If the currently selected machine wishes to override the units-per-bus
4461 * property of its default HBA interface type, do so now. */
4462 if (machine_class->units_per_default_bus) {
4463 override_max_devs(machine_class->block_default_type,
4464 machine_class->units_per_default_bus);
4465 }
4466
4467 /* open the virtual block devices */
4468 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4469 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4470 NULL, NULL);
4471 }
4472 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4473 &machine_class->block_default_type, NULL)) {
4474 exit(1);
4475 }
4476
4477 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4478 CDROM_OPTS);
4479 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4480 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4481
4482 parse_numa_opts(machine_class);
4483
4484 if (qemu_opts_foreach(qemu_find_opts("mon"),
4485 mon_init_func, NULL, NULL)) {
4486 exit(1);
4487 }
4488
4489 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4490 exit(1);
4491 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4492 exit(1);
4493 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4494 exit(1);
4495 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4496 exit(1);
4497 }
4498 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4499 exit(1);
4500
4501 /* If no default VGA is requested, the default is "none". */
4502 if (default_vga) {
4503 if (machine_class->default_display) {
4504 vga_model = machine_class->default_display;
4505 } else if (vga_interface_available(VGA_CIRRUS)) {
4506 vga_model = "cirrus";
4507 } else if (vga_interface_available(VGA_STD)) {
4508 vga_model = "std";
4509 }
4510 }
4511 if (vga_model) {
4512 select_vgahw(vga_model);
4513 }
4514
4515 if (watchdog) {
4516 i = select_watchdog(watchdog);
4517 if (i > 0)
4518 exit (i == 1 ? 1 : 0);
4519 }
4520
4521 machine_register_compat_props(current_machine);
4522
4523 qemu_opts_foreach(qemu_find_opts("global"),
4524 global_init_func, NULL, NULL);
4525
4526 /* This checkpoint is required by replay to separate prior clock
4527 reading from the other reads, because timer polling functions query
4528 clock values from the log. */
4529 replay_checkpoint(CHECKPOINT_INIT);
4530 qdev_machine_init();
4531
4532 current_machine->ram_size = ram_size;
4533 current_machine->maxram_size = maxram_size;
4534 current_machine->ram_slots = ram_slots;
4535 current_machine->boot_order = boot_order;
4536 current_machine->cpu_model = cpu_model;
4537
4538 machine_class->init(current_machine);
4539
4540 realtime_init();
4541
4542 audio_init();
4543
4544 cpu_synchronize_all_post_init();
4545
4546 numa_post_machine_init();
4547
4548 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4549 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4550 exit(1);
4551 }
4552
4553 /* init USB devices */
4554 if (machine_usb(current_machine)) {
4555 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4556 exit(1);
4557 }
4558
4559 /* Check if IGD GFX passthrough. */
4560 igd_gfx_passthru();
4561
4562 /* init generic devices */
4563 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4564 if (qemu_opts_foreach(qemu_find_opts("device"),
4565 device_init_func, NULL, NULL)) {
4566 exit(1);
4567 }
4568 rom_reset_order_override();
4569
4570 /* Did we create any drives that we failed to create a device for? */
4571 drive_check_orphaned();
4572
4573 /* Don't warn about the default network setup that you get if
4574 * no command line -net or -netdev options are specified. There
4575 * are two cases that we would otherwise complain about:
4576 * (1) board doesn't support a NIC but the implicit "-net nic"
4577 * requested one
4578 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4579 * sets up a nic that isn't connected to anything.
4580 */
4581 if (!default_net) {
4582 net_check_clients();
4583 }
4584
4585
4586 if (boot_once) {
4587 qemu_boot_set(boot_once, &error_fatal);
4588 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4589 }
4590
4591 ds = init_displaystate();
4592
4593 /* init local displays */
4594 switch (display_type) {
4595 case DT_CURSES:
4596 curses_display_init(ds, full_screen);
4597 break;
4598 case DT_SDL:
4599 sdl_display_init(ds, full_screen, no_frame);
4600 break;
4601 case DT_COCOA:
4602 cocoa_display_init(ds, full_screen);
4603 break;
4604 case DT_GTK:
4605 gtk_display_init(ds, full_screen, grab_on_hover);
4606 break;
4607 default:
4608 break;
4609 }
4610
4611 /* must be after terminal init, SDL library changes signal handlers */
4612 os_setup_signal_handling();
4613
4614 /* init remote displays */
4615 #ifdef CONFIG_VNC
4616 qemu_opts_foreach(qemu_find_opts("vnc"),
4617 vnc_init_func, NULL, NULL);
4618 #endif
4619
4620 if (using_spice) {
4621 qemu_spice_display_init();
4622 }
4623
4624 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4625 exit(1);
4626 }
4627
4628 qdev_machine_creation_done();
4629
4630 /* TODO: once all bus devices are qdevified, this should be done
4631 * when bus is created by qdev.c */
4632 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4633 qemu_run_machine_init_done_notifiers();
4634
4635 if (rom_check_and_register_reset() != 0) {
4636 error_report("rom check and register reset failed");
4637 exit(1);
4638 }
4639
4640 replay_start();
4641
4642 /* This checkpoint is required by replay to separate prior clock
4643 reading from the other reads, because timer polling functions query
4644 clock values from the log. */
4645 replay_checkpoint(CHECKPOINT_RESET);
4646 qemu_system_reset(VMRESET_SILENT);
4647 register_global_state();
4648 if (loadvm) {
4649 if (load_vmstate(loadvm) < 0) {
4650 autostart = 0;
4651 }
4652 }
4653
4654 qdev_prop_check_globals();
4655 if (vmstate_dump_file) {
4656 /* dump and exit */
4657 dump_vmstate_json_to_file(vmstate_dump_file);
4658 return 0;
4659 }
4660
4661 if (incoming) {
4662 Error *local_err = NULL;
4663 qemu_start_incoming_migration(incoming, &local_err);
4664 if (local_err) {
4665 error_reportf_err(local_err, "-incoming %s: ", incoming);
4666 exit(1);
4667 }
4668 } else if (autostart) {
4669 vm_start();
4670 }
4671
4672 os_setup_post();
4673
4674 main_loop();
4675 replay_disable_events();
4676 iothread_stop_all();
4677
4678 bdrv_close_all();
4679 pause_all_vcpus();
4680 res_free();
4681
4682 /* vhost-user must be cleaned up before chardevs. */
4683 net_cleanup();
4684 audio_cleanup();
4685 monitor_cleanup();
4686 qemu_chr_cleanup();
4687
4688 return 0;
4689 }
Mirror of https://git.qemu.org/git/qemu.git