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xen: slightly simplify bufioreq handling
[qemu/kevin.git] / vl.c
blobd77dd862f9e860ab855ac805d154a462b8404a74
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu-version.h"
26 #include "qemu/cutils.h"
27 #include "qemu/help_option.h"
28 #include "qemu/uuid.h"
29
30 #ifdef CONFIG_SECCOMP
31 #include "sysemu/seccomp.h"
32 #endif
33
34 #if defined(CONFIG_VDE)
35 #include <libvdeplug.h>
36 #endif
37
38 #ifdef CONFIG_SDL
39 #if defined(__APPLE__) || defined(main)
40 #include <SDL.h>
41 int qemu_main(int argc, char **argv, char **envp);
42 int main(int argc, char **argv)
43 {
44 return qemu_main(argc, argv, NULL);
45 }
46 #undef main
47 #define main qemu_main
48 #endif
49 #endif /* CONFIG_SDL */
50
51 #ifdef CONFIG_COCOA
52 #undef main
53 #define main qemu_main
54 #endif /* CONFIG_COCOA */
55
56
57 #include "qemu/error-report.h"
58 #include "qemu/sockets.h"
59 #include "hw/hw.h"
60 #include "hw/boards.h"
61 #include "sysemu/accel.h"
62 #include "hw/usb.h"
63 #include "hw/i386/pc.h"
64 #include "hw/isa/isa.h"
65 #include "hw/bt.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/smbios/smbios.h"
68 #include "hw/xen/xen.h"
69 #include "hw/qdev.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
73 #include "net/net.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
77 #include "ui/input.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "sysemu/char.h"
83 #include "qemu/bitmap.h"
84 #include "qemu/log.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/block.h"
88 #include "sysemu/tpm.h"
89 #include "sysemu/dma.h"
90 #include "audio/audio.h"
91 #include "migration/migration.h"
92 #include "sysemu/cpus.h"
93 #include "migration/colo.h"
94 #include "sysemu/kvm.h"
95 #include "qapi/qmp/qjson.h"
96 #include "qemu/option.h"
97 #include "qemu/config-file.h"
98 #include "qemu-options.h"
99 #include "qmp-commands.h"
100 #include "qemu/main-loop.h"
101 #ifdef CONFIG_VIRTFS
102 #include "fsdev/qemu-fsdev.h"
103 #endif
104 #include "sysemu/qtest.h"
105
106 #include "disas/disas.h"
107
108
109 #include "slirp/libslirp.h"
110
111 #include "trace.h"
112 #include "trace/control.h"
113 #include "qemu/queue.h"
114 #include "sysemu/arch_init.h"
115
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qom/object_interfaces.h"
120 #include "qapi-event.h"
121 #include "exec/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qmp/qerror.h"
125 #include "sysemu/iothread.h"
126
127 #define MAX_VIRTIO_CONSOLES 1
128 #define MAX_SCLP_CONSOLES 1
129
130 static const char *data_dir[16];
131 static int data_dir_idx;
132 const char *bios_name = NULL;
133 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
134 int request_opengl = -1;
135 int display_opengl;
136 const char* keyboard_layout = NULL;
137 ram_addr_t ram_size;
138 const char *mem_path = NULL;
139 int mem_prealloc = 0; /* force preallocation of physical target memory */
140 bool enable_mlock = false;
141 int nb_nics;
142 NICInfo nd_table[MAX_NICS];
143 int autostart;
144 static int rtc_utc = 1;
145 static int rtc_date_offset = -1; /* -1 means no change */
146 QEMUClockType rtc_clock;
147 int vga_interface_type = VGA_NONE;
148 static int full_screen = 0;
149 static int no_frame = 0;
150 int no_quit = 0;
151 static bool grab_on_hover;
152 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
153 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
154 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
155 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
156 int win2k_install_hack = 0;
157 int singlestep = 0;
158 int smp_cpus = 1;
159 int max_cpus = 1;
160 int smp_cores = 1;
161 int smp_threads = 1;
162 int acpi_enabled = 1;
163 int no_hpet = 0;
164 int fd_bootchk = 1;
165 static int no_reboot;
166 int no_shutdown = 0;
167 int cursor_hide = 1;
168 int graphic_rotate = 0;
169 const char *watchdog;
170 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
171 int nb_option_roms;
172 int old_param = 0;
173 const char *qemu_name;
174 int alt_grab = 0;
175 int ctrl_grab = 0;
176 unsigned int nb_prom_envs = 0;
177 const char *prom_envs[MAX_PROM_ENVS];
178 int boot_menu;
179 bool boot_strict;
180 uint8_t *boot_splash_filedata;
181 size_t boot_splash_filedata_size;
182 uint8_t qemu_extra_params_fw[2];
183
184 int icount_align_option;
185
186 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
187 * little-endian "wire format" described in the SMBIOS 2.6 specification.
188 */
189 QemuUUID qemu_uuid;
190 bool qemu_uuid_set;
191
192 static NotifierList exit_notifiers =
193 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
194
195 static NotifierList machine_init_done_notifiers =
196 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
197
198 bool xen_allowed;
199 uint32_t xen_domid;
200 enum xen_mode xen_mode = XEN_EMULATE;
201
202 static int has_defaults = 1;
203 static int default_serial = 1;
204 static int default_parallel = 1;
205 static int default_virtcon = 1;
206 static int default_sclp = 1;
207 static int default_monitor = 1;
208 static int default_floppy = 1;
209 static int default_cdrom = 1;
210 static int default_sdcard = 1;
211 static int default_vga = 1;
212 static int default_net = 1;
213
214 static struct {
215 const char *driver;
216 int *flag;
217 } default_list[] = {
218 { .driver = "isa-serial", .flag = &default_serial },
219 { .driver = "isa-parallel", .flag = &default_parallel },
220 { .driver = "isa-fdc", .flag = &default_floppy },
221 { .driver = "floppy", .flag = &default_floppy },
222 { .driver = "ide-cd", .flag = &default_cdrom },
223 { .driver = "ide-hd", .flag = &default_cdrom },
224 { .driver = "ide-drive", .flag = &default_cdrom },
225 { .driver = "scsi-cd", .flag = &default_cdrom },
226 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
227 { .driver = "virtio-serial", .flag = &default_virtcon },
228 { .driver = "VGA", .flag = &default_vga },
229 { .driver = "isa-vga", .flag = &default_vga },
230 { .driver = "cirrus-vga", .flag = &default_vga },
231 { .driver = "isa-cirrus-vga", .flag = &default_vga },
232 { .driver = "vmware-svga", .flag = &default_vga },
233 { .driver = "qxl-vga", .flag = &default_vga },
234 { .driver = "virtio-vga", .flag = &default_vga },
235 };
236
237 static QemuOptsList qemu_rtc_opts = {
238 .name = "rtc",
239 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
240 .desc = {
241 {
242 .name = "base",
243 .type = QEMU_OPT_STRING,
244 },{
245 .name = "clock",
246 .type = QEMU_OPT_STRING,
247 },{
248 .name = "driftfix",
249 .type = QEMU_OPT_STRING,
250 },
251 { /* end of list */ }
252 },
253 };
254
255 static QemuOptsList qemu_sandbox_opts = {
256 .name = "sandbox",
257 .implied_opt_name = "enable",
258 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
259 .desc = {
260 {
261 .name = "enable",
262 .type = QEMU_OPT_BOOL,
263 },
264 { /* end of list */ }
265 },
266 };
267
268 static QemuOptsList qemu_option_rom_opts = {
269 .name = "option-rom",
270 .implied_opt_name = "romfile",
271 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
272 .desc = {
273 {
274 .name = "bootindex",
275 .type = QEMU_OPT_NUMBER,
276 }, {
277 .name = "romfile",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_machine_opts = {
285 .name = "machine",
286 .implied_opt_name = "type",
287 .merge_lists = true,
288 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
289 .desc = {
290 /*
291 * no elements => accept any
292 * sanity checking will happen later
293 * when setting machine properties
294 */
295 { }
296 },
297 };
298
299 static QemuOptsList qemu_boot_opts = {
300 .name = "boot-opts",
301 .implied_opt_name = "order",
302 .merge_lists = true,
303 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
304 .desc = {
305 {
306 .name = "order",
307 .type = QEMU_OPT_STRING,
308 }, {
309 .name = "once",
310 .type = QEMU_OPT_STRING,
311 }, {
312 .name = "menu",
313 .type = QEMU_OPT_BOOL,
314 }, {
315 .name = "splash",
316 .type = QEMU_OPT_STRING,
317 }, {
318 .name = "splash-time",
319 .type = QEMU_OPT_STRING,
320 }, {
321 .name = "reboot-timeout",
322 .type = QEMU_OPT_STRING,
323 }, {
324 .name = "strict",
325 .type = QEMU_OPT_BOOL,
326 },
327 { /*End of list */ }
328 },
329 };
330
331 static QemuOptsList qemu_add_fd_opts = {
332 .name = "add-fd",
333 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
334 .desc = {
335 {
336 .name = "fd",
337 .type = QEMU_OPT_NUMBER,
338 .help = "file descriptor of which a duplicate is added to fd set",
339 },{
340 .name = "set",
341 .type = QEMU_OPT_NUMBER,
342 .help = "ID of the fd set to add fd to",
343 },{
344 .name = "opaque",
345 .type = QEMU_OPT_STRING,
346 .help = "free-form string used to describe fd",
347 },
348 { /* end of list */ }
349 },
350 };
351
352 static QemuOptsList qemu_object_opts = {
353 .name = "object",
354 .implied_opt_name = "qom-type",
355 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
356 .desc = {
357 { }
358 },
359 };
360
361 static QemuOptsList qemu_tpmdev_opts = {
362 .name = "tpmdev",
363 .implied_opt_name = "type",
364 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
365 .desc = {
366 /* options are defined in the TPM backends */
367 { /* end of list */ }
368 },
369 };
370
371 static QemuOptsList qemu_realtime_opts = {
372 .name = "realtime",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
374 .desc = {
375 {
376 .name = "mlock",
377 .type = QEMU_OPT_BOOL,
378 },
379 { /* end of list */ }
380 },
381 };
382
383 static QemuOptsList qemu_msg_opts = {
384 .name = "msg",
385 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
386 .desc = {
387 {
388 .name = "timestamp",
389 .type = QEMU_OPT_BOOL,
390 },
391 { /* end of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_name_opts = {
396 .name = "name",
397 .implied_opt_name = "guest",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
400 .desc = {
401 {
402 .name = "guest",
403 .type = QEMU_OPT_STRING,
404 .help = "Sets the name of the guest.\n"
405 "This name will be displayed in the SDL window caption.\n"
406 "The name will also be used for the VNC server",
407 }, {
408 .name = "process",
409 .type = QEMU_OPT_STRING,
410 .help = "Sets the name of the QEMU process, as shown in top etc",
411 }, {
412 .name = "debug-threads",
413 .type = QEMU_OPT_BOOL,
414 .help = "When enabled, name the individual threads; defaults off.\n"
415 "NOTE: The thread names are for debugging and not a\n"
416 "stable API.",
417 },
418 { /* End of list */ }
419 },
420 };
421
422 static QemuOptsList qemu_mem_opts = {
423 .name = "memory",
424 .implied_opt_name = "size",
425 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
426 .merge_lists = true,
427 .desc = {
428 {
429 .name = "size",
430 .type = QEMU_OPT_SIZE,
431 },
432 {
433 .name = "slots",
434 .type = QEMU_OPT_NUMBER,
435 },
436 {
437 .name = "maxmem",
438 .type = QEMU_OPT_SIZE,
439 },
440 { /* end of list */ }
441 },
442 };
443
444 static QemuOptsList qemu_icount_opts = {
445 .name = "icount",
446 .implied_opt_name = "shift",
447 .merge_lists = true,
448 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
449 .desc = {
450 {
451 .name = "shift",
452 .type = QEMU_OPT_STRING,
453 }, {
454 .name = "align",
455 .type = QEMU_OPT_BOOL,
456 }, {
457 .name = "sleep",
458 .type = QEMU_OPT_BOOL,
459 }, {
460 .name = "rr",
461 .type = QEMU_OPT_STRING,
462 }, {
463 .name = "rrfile",
464 .type = QEMU_OPT_STRING,
465 },
466 { /* end of list */ }
467 },
468 };
469
470 static QemuOptsList qemu_semihosting_config_opts = {
471 .name = "semihosting-config",
472 .implied_opt_name = "enable",
473 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
474 .desc = {
475 {
476 .name = "enable",
477 .type = QEMU_OPT_BOOL,
478 }, {
479 .name = "target",
480 .type = QEMU_OPT_STRING,
481 }, {
482 .name = "arg",
483 .type = QEMU_OPT_STRING,
484 },
485 { /* end of list */ }
486 },
487 };
488
489 static QemuOptsList qemu_fw_cfg_opts = {
490 .name = "fw_cfg",
491 .implied_opt_name = "name",
492 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
493 .desc = {
494 {
495 .name = "name",
496 .type = QEMU_OPT_STRING,
497 .help = "Sets the fw_cfg name of the blob to be inserted",
498 }, {
499 .name = "file",
500 .type = QEMU_OPT_STRING,
501 .help = "Sets the name of the file from which\n"
502 "the fw_cfg blob will be loaded",
503 }, {
504 .name = "string",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets content of the blob to be inserted from a string",
507 },
508 { /* end of list */ }
509 },
510 };
511
512 #ifdef CONFIG_LIBISCSI
513 static QemuOptsList qemu_iscsi_opts = {
514 .name = "iscsi",
515 .head = QTAILQ_HEAD_INITIALIZER(qemu_iscsi_opts.head),
516 .desc = {
517 {
518 .name = "user",
519 .type = QEMU_OPT_STRING,
520 .help = "username for CHAP authentication to target",
521 },{
522 .name = "password",
523 .type = QEMU_OPT_STRING,
524 .help = "password for CHAP authentication to target",
525 },{
526 .name = "password-secret",
527 .type = QEMU_OPT_STRING,
528 .help = "ID of the secret providing password for CHAP "
529 "authentication to target",
530 },{
531 .name = "header-digest",
532 .type = QEMU_OPT_STRING,
533 .help = "HeaderDigest setting. "
534 "{CRC32C|CRC32C-NONE|NONE-CRC32C|NONE}",
535 },{
536 .name = "initiator-name",
537 .type = QEMU_OPT_STRING,
538 .help = "Initiator iqn name to use when connecting",
539 },{
540 .name = "timeout",
541 .type = QEMU_OPT_NUMBER,
542 .help = "Request timeout in seconds (default 0 = no timeout)",
543 },
544 { /* end of list */ }
545 },
546 };
547 #endif
548
549 /**
550 * Get machine options
551 *
552 * Returns: machine options (never null).
553 */
554 QemuOpts *qemu_get_machine_opts(void)
555 {
556 return qemu_find_opts_singleton("machine");
557 }
558
559 const char *qemu_get_vm_name(void)
560 {
561 return qemu_name;
562 }
563
564 static void res_free(void)
565 {
566 g_free(boot_splash_filedata);
567 boot_splash_filedata = NULL;
568 }
569
570 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
571 {
572 const char *driver = qemu_opt_get(opts, "driver");
573 int i;
574
575 if (!driver)
576 return 0;
577 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
578 if (strcmp(default_list[i].driver, driver) != 0)
579 continue;
580 *(default_list[i].flag) = 0;
581 }
582 return 0;
583 }
584
585 /***********************************************************/
586 /* QEMU state */
587
588 static RunState current_run_state = RUN_STATE_PRELAUNCH;
589
590 /* We use RUN_STATE__MAX but any invalid value will do */
591 static RunState vmstop_requested = RUN_STATE__MAX;
592 static QemuMutex vmstop_lock;
593
594 typedef struct {
595 RunState from;
596 RunState to;
597 } RunStateTransition;
598
599 static const RunStateTransition runstate_transitions_def[] = {
600 /* from -> to */
601 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
602 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
603 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
604
605 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
606 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
607 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
608 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
610 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
611 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
612 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
613 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
615 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
616 { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
617
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
619 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
620 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
623 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
624 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
625
626 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
627 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
629 { RUN_STATE_PAUSED, RUN_STATE_COLO},
630
631 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
632 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
633 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
634
635 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
636 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
637 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
638
639 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
640 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
641 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
642 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
643
644 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
645 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
646
647 { RUN_STATE_COLO, RUN_STATE_RUNNING },
648
649 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
650 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
651 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
652 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
653 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
655 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
656 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
657 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
658 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
659 { RUN_STATE_RUNNING, RUN_STATE_COLO},
660
661 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
662
663 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
664 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
665 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
666
667 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
668 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
669 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
670 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
671 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
672 { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
673
674 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
675 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
676 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
677 { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
678
679 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
680 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
681 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
682
683 { RUN_STATE__MAX, RUN_STATE__MAX },
684 };
685
686 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
687
688 bool runstate_check(RunState state)
689 {
690 return current_run_state == state;
691 }
692
693 bool runstate_store(char *str, size_t size)
694 {
695 const char *state = RunState_lookup[current_run_state];
696 size_t len = strlen(state) + 1;
697
698 if (len > size) {
699 return false;
700 }
701 memcpy(str, state, len);
702 return true;
703 }
704
705 static void runstate_init(void)
706 {
707 const RunStateTransition *p;
708
709 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
710 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
711 runstate_valid_transitions[p->from][p->to] = true;
712 }
713
714 qemu_mutex_init(&vmstop_lock);
715 }
716
717 /* This function will abort() on invalid state transitions */
718 void runstate_set(RunState new_state)
719 {
720 assert(new_state < RUN_STATE__MAX);
721
722 if (current_run_state == new_state) {
723 return;
724 }
725
726 if (!runstate_valid_transitions[current_run_state][new_state]) {
727 error_report("invalid runstate transition: '%s' -> '%s'",
728 RunState_lookup[current_run_state],
729 RunState_lookup[new_state]);
730 abort();
731 }
732 trace_runstate_set(new_state);
733 current_run_state = new_state;
734 }
735
736 int runstate_is_running(void)
737 {
738 return runstate_check(RUN_STATE_RUNNING);
739 }
740
741 bool runstate_needs_reset(void)
742 {
743 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
744 runstate_check(RUN_STATE_SHUTDOWN);
745 }
746
747 StatusInfo *qmp_query_status(Error **errp)
748 {
749 StatusInfo *info = g_malloc0(sizeof(*info));
750
751 info->running = runstate_is_running();
752 info->singlestep = singlestep;
753 info->status = current_run_state;
754
755 return info;
756 }
757
758 static bool qemu_vmstop_requested(RunState *r)
759 {
760 qemu_mutex_lock(&vmstop_lock);
761 *r = vmstop_requested;
762 vmstop_requested = RUN_STATE__MAX;
763 qemu_mutex_unlock(&vmstop_lock);
764 return *r < RUN_STATE__MAX;
765 }
766
767 void qemu_system_vmstop_request_prepare(void)
768 {
769 qemu_mutex_lock(&vmstop_lock);
770 }
771
772 void qemu_system_vmstop_request(RunState state)
773 {
774 vmstop_requested = state;
775 qemu_mutex_unlock(&vmstop_lock);
776 qemu_notify_event();
777 }
778
779 void vm_start(void)
780 {
781 RunState requested;
782
783 qemu_vmstop_requested(&requested);
784 if (runstate_is_running() && requested == RUN_STATE__MAX) {
785 return;
786 }
787
788 /* Ensure that a STOP/RESUME pair of events is emitted if a
789 * vmstop request was pending. The BLOCK_IO_ERROR event, for
790 * example, according to documentation is always followed by
791 * the STOP event.
792 */
793 if (runstate_is_running()) {
794 qapi_event_send_stop(&error_abort);
795 } else {
796 replay_enable_events();
797 cpu_enable_ticks();
798 runstate_set(RUN_STATE_RUNNING);
799 vm_state_notify(1, RUN_STATE_RUNNING);
800 resume_all_vcpus();
801 }
802
803 qapi_event_send_resume(&error_abort);
804 }
805
806
807 /***********************************************************/
808 /* real time host monotonic timer */
809
810 static time_t qemu_time(void)
811 {
812 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
813 }
814
815 /***********************************************************/
816 /* host time/date access */
817 void qemu_get_timedate(struct tm *tm, int offset)
818 {
819 time_t ti = qemu_time();
820
821 ti += offset;
822 if (rtc_date_offset == -1) {
823 if (rtc_utc)
824 gmtime_r(&ti, tm);
825 else
826 localtime_r(&ti, tm);
827 } else {
828 ti -= rtc_date_offset;
829 gmtime_r(&ti, tm);
830 }
831 }
832
833 int qemu_timedate_diff(struct tm *tm)
834 {
835 time_t seconds;
836
837 if (rtc_date_offset == -1)
838 if (rtc_utc)
839 seconds = mktimegm(tm);
840 else {
841 struct tm tmp = *tm;
842 tmp.tm_isdst = -1; /* use timezone to figure it out */
843 seconds = mktime(&tmp);
844 }
845 else
846 seconds = mktimegm(tm) + rtc_date_offset;
847
848 return seconds - qemu_time();
849 }
850
851 static void configure_rtc_date_offset(const char *startdate, int legacy)
852 {
853 time_t rtc_start_date;
854 struct tm tm;
855
856 if (!strcmp(startdate, "now") && legacy) {
857 rtc_date_offset = -1;
858 } else {
859 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
860 &tm.tm_year,
861 &tm.tm_mon,
862 &tm.tm_mday,
863 &tm.tm_hour,
864 &tm.tm_min,
865 &tm.tm_sec) == 6) {
866 /* OK */
867 } else if (sscanf(startdate, "%d-%d-%d",
868 &tm.tm_year,
869 &tm.tm_mon,
870 &tm.tm_mday) == 3) {
871 tm.tm_hour = 0;
872 tm.tm_min = 0;
873 tm.tm_sec = 0;
874 } else {
875 goto date_fail;
876 }
877 tm.tm_year -= 1900;
878 tm.tm_mon--;
879 rtc_start_date = mktimegm(&tm);
880 if (rtc_start_date == -1) {
881 date_fail:
882 error_report("invalid date format");
883 error_printf("valid formats: "
884 "'2006-06-17T16:01:21' or '2006-06-17'\n");
885 exit(1);
886 }
887 rtc_date_offset = qemu_time() - rtc_start_date;
888 }
889 }
890
891 static void configure_rtc(QemuOpts *opts)
892 {
893 const char *value;
894
895 value = qemu_opt_get(opts, "base");
896 if (value) {
897 if (!strcmp(value, "utc")) {
898 rtc_utc = 1;
899 } else if (!strcmp(value, "localtime")) {
900 Error *blocker = NULL;
901 rtc_utc = 0;
902 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
903 "-rtc base=localtime");
904 replay_add_blocker(blocker);
905 } else {
906 configure_rtc_date_offset(value, 0);
907 }
908 }
909 value = qemu_opt_get(opts, "clock");
910 if (value) {
911 if (!strcmp(value, "host")) {
912 rtc_clock = QEMU_CLOCK_HOST;
913 } else if (!strcmp(value, "rt")) {
914 rtc_clock = QEMU_CLOCK_REALTIME;
915 } else if (!strcmp(value, "vm")) {
916 rtc_clock = QEMU_CLOCK_VIRTUAL;
917 } else {
918 error_report("invalid option value '%s'", value);
919 exit(1);
920 }
921 }
922 value = qemu_opt_get(opts, "driftfix");
923 if (value) {
924 if (!strcmp(value, "slew")) {
925 static GlobalProperty slew_lost_ticks = {
926 .driver = "mc146818rtc",
927 .property = "lost_tick_policy",
928 .value = "slew",
929 };
930
931 qdev_prop_register_global(&slew_lost_ticks);
932 } else if (!strcmp(value, "none")) {
933 /* discard is default */
934 } else {
935 error_report("invalid option value '%s'", value);
936 exit(1);
937 }
938 }
939 }
940
941 /***********************************************************/
942 /* Bluetooth support */
943 static int nb_hcis;
944 static int cur_hci;
945 static struct HCIInfo *hci_table[MAX_NICS];
946
947 struct HCIInfo *qemu_next_hci(void)
948 {
949 if (cur_hci == nb_hcis)
950 return &null_hci;
951
952 return hci_table[cur_hci++];
953 }
954
955 static int bt_hci_parse(const char *str)
956 {
957 struct HCIInfo *hci;
958 bdaddr_t bdaddr;
959
960 if (nb_hcis >= MAX_NICS) {
961 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
962 return -1;
963 }
964
965 hci = hci_init(str);
966 if (!hci)
967 return -1;
968
969 bdaddr.b[0] = 0x52;
970 bdaddr.b[1] = 0x54;
971 bdaddr.b[2] = 0x00;
972 bdaddr.b[3] = 0x12;
973 bdaddr.b[4] = 0x34;
974 bdaddr.b[5] = 0x56 + nb_hcis;
975 hci->bdaddr_set(hci, bdaddr.b);
976
977 hci_table[nb_hcis++] = hci;
978
979 return 0;
980 }
981
982 static void bt_vhci_add(int vlan_id)
983 {
984 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
985
986 if (!vlan->slave)
987 error_report("warning: adding a VHCI to an empty scatternet %i",
988 vlan_id);
989
990 bt_vhci_init(bt_new_hci(vlan));
991 }
992
993 static struct bt_device_s *bt_device_add(const char *opt)
994 {
995 struct bt_scatternet_s *vlan;
996 int vlan_id = 0;
997 char *endp = strstr(opt, ",vlan=");
998 int len = (endp ? endp - opt : strlen(opt)) + 1;
999 char devname[10];
1000
1001 pstrcpy(devname, MIN(sizeof(devname), len), opt);
1002
1003 if (endp) {
1004 vlan_id = strtol(endp + 6, &endp, 0);
1005 if (*endp) {
1006 error_report("unrecognised bluetooth vlan Id");
1007 return 0;
1008 }
1009 }
1010
1011 vlan = qemu_find_bt_vlan(vlan_id);
1012
1013 if (!vlan->slave)
1014 error_report("warning: adding a slave device to an empty scatternet %i",
1015 vlan_id);
1016
1017 if (!strcmp(devname, "keyboard"))
1018 return bt_keyboard_init(vlan);
1019
1020 error_report("unsupported bluetooth device '%s'", devname);
1021 return 0;
1022 }
1023
1024 static int bt_parse(const char *opt)
1025 {
1026 const char *endp, *p;
1027 int vlan;
1028
1029 if (strstart(opt, "hci", &endp)) {
1030 if (!*endp || *endp == ',') {
1031 if (*endp)
1032 if (!strstart(endp, ",vlan=", 0))
1033 opt = endp + 1;
1034
1035 return bt_hci_parse(opt);
1036 }
1037 } else if (strstart(opt, "vhci", &endp)) {
1038 if (!*endp || *endp == ',') {
1039 if (*endp) {
1040 if (strstart(endp, ",vlan=", &p)) {
1041 vlan = strtol(p, (char **) &endp, 0);
1042 if (*endp) {
1043 error_report("bad scatternet '%s'", p);
1044 return 1;
1045 }
1046 } else {
1047 error_report("bad parameter '%s'", endp + 1);
1048 return 1;
1049 }
1050 } else
1051 vlan = 0;
1052
1053 bt_vhci_add(vlan);
1054 return 0;
1055 }
1056 } else if (strstart(opt, "device:", &endp))
1057 return !bt_device_add(endp);
1058
1059 error_report("bad bluetooth parameter '%s'", opt);
1060 return 1;
1061 }
1062
1063 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1064 {
1065 /* FIXME: change this to true for 1.3 */
1066 if (qemu_opt_get_bool(opts, "enable", false)) {
1067 #ifdef CONFIG_SECCOMP
1068 if (seccomp_start() < 0) {
1069 error_report("failed to install seccomp syscall filter "
1070 "in the kernel");
1071 return -1;
1072 }
1073 #else
1074 error_report("seccomp support is disabled");
1075 return -1;
1076 #endif
1077 }
1078
1079 return 0;
1080 }
1081
1082 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1083 {
1084 const char *proc_name;
1085
1086 if (qemu_opt_get(opts, "debug-threads")) {
1087 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1088 }
1089 qemu_name = qemu_opt_get(opts, "guest");
1090
1091 proc_name = qemu_opt_get(opts, "process");
1092 if (proc_name) {
1093 os_set_proc_name(proc_name);
1094 }
1095
1096 return 0;
1097 }
1098
1099 bool defaults_enabled(void)
1100 {
1101 return has_defaults;
1102 }
1103
1104 #ifndef _WIN32
1105 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1106 {
1107 int fd, dupfd, flags;
1108 int64_t fdset_id;
1109 const char *fd_opaque = NULL;
1110 AddfdInfo *fdinfo;
1111
1112 fd = qemu_opt_get_number(opts, "fd", -1);
1113 fdset_id = qemu_opt_get_number(opts, "set", -1);
1114 fd_opaque = qemu_opt_get(opts, "opaque");
1115
1116 if (fd < 0) {
1117 error_report("fd option is required and must be non-negative");
1118 return -1;
1119 }
1120
1121 if (fd <= STDERR_FILENO) {
1122 error_report("fd cannot be a standard I/O stream");
1123 return -1;
1124 }
1125
1126 /*
1127 * All fds inherited across exec() necessarily have FD_CLOEXEC
1128 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1129 */
1130 flags = fcntl(fd, F_GETFD);
1131 if (flags == -1 || (flags & FD_CLOEXEC)) {
1132 error_report("fd is not valid or already in use");
1133 return -1;
1134 }
1135
1136 if (fdset_id < 0) {
1137 error_report("set option is required and must be non-negative");
1138 return -1;
1139 }
1140
1141 #ifdef F_DUPFD_CLOEXEC
1142 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1143 #else
1144 dupfd = dup(fd);
1145 if (dupfd != -1) {
1146 qemu_set_cloexec(dupfd);
1147 }
1148 #endif
1149 if (dupfd == -1) {
1150 error_report("error duplicating fd: %s", strerror(errno));
1151 return -1;
1152 }
1153
1154 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1155 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1156 &error_abort);
1157 g_free(fdinfo);
1158
1159 return 0;
1160 }
1161
1162 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1163 {
1164 int fd;
1165
1166 fd = qemu_opt_get_number(opts, "fd", -1);
1167 close(fd);
1168
1169 return 0;
1170 }
1171 #endif
1172
1173 /***********************************************************/
1174 /* QEMU Block devices */
1175
1176 #define HD_OPTS "media=disk"
1177 #define CDROM_OPTS "media=cdrom"
1178 #define FD_OPTS ""
1179 #define PFLASH_OPTS ""
1180 #define MTD_OPTS ""
1181 #define SD_OPTS ""
1182
1183 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1184 {
1185 BlockInterfaceType *block_default_type = opaque;
1186
1187 return drive_new(opts, *block_default_type) == NULL;
1188 }
1189
1190 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1191 {
1192 if (qemu_opt_get(opts, "snapshot") == NULL) {
1193 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1194 }
1195 return 0;
1196 }
1197
1198 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1199 int index, const char *optstr)
1200 {
1201 QemuOpts *opts;
1202 DriveInfo *dinfo;
1203
1204 if (!enable || drive_get_by_index(type, index)) {
1205 return;
1206 }
1207
1208 opts = drive_add(type, index, NULL, optstr);
1209 if (snapshot) {
1210 drive_enable_snapshot(NULL, opts, NULL);
1211 }
1212
1213 dinfo = drive_new(opts, type);
1214 if (!dinfo) {
1215 exit(1);
1216 }
1217 dinfo->is_default = true;
1218
1219 }
1220
1221 static QemuOptsList qemu_smp_opts = {
1222 .name = "smp-opts",
1223 .implied_opt_name = "cpus",
1224 .merge_lists = true,
1225 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1226 .desc = {
1227 {
1228 .name = "cpus",
1229 .type = QEMU_OPT_NUMBER,
1230 }, {
1231 .name = "sockets",
1232 .type = QEMU_OPT_NUMBER,
1233 }, {
1234 .name = "cores",
1235 .type = QEMU_OPT_NUMBER,
1236 }, {
1237 .name = "threads",
1238 .type = QEMU_OPT_NUMBER,
1239 }, {
1240 .name = "maxcpus",
1241 .type = QEMU_OPT_NUMBER,
1242 },
1243 { /*End of list */ }
1244 },
1245 };
1246
1247 static void smp_parse(QemuOpts *opts)
1248 {
1249 if (opts) {
1250 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1251 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1252 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1253 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1254
1255 /* compute missing values, prefer sockets over cores over threads */
1256 if (cpus == 0 || sockets == 0) {
1257 sockets = sockets > 0 ? sockets : 1;
1258 cores = cores > 0 ? cores : 1;
1259 threads = threads > 0 ? threads : 1;
1260 if (cpus == 0) {
1261 cpus = cores * threads * sockets;
1262 }
1263 } else if (cores == 0) {
1264 threads = threads > 0 ? threads : 1;
1265 cores = cpus / (sockets * threads);
1266 cores = cores > 0 ? cores : 1;
1267 } else if (threads == 0) {
1268 threads = cpus / (cores * sockets);
1269 threads = threads > 0 ? threads : 1;
1270 } else if (sockets * cores * threads < cpus) {
1271 error_report("cpu topology: "
1272 "sockets (%u) * cores (%u) * threads (%u) < "
1273 "smp_cpus (%u)",
1274 sockets, cores, threads, cpus);
1275 exit(1);
1276 }
1277
1278 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1279
1280 if (max_cpus > MAX_CPUMASK_BITS) {
1281 error_report("unsupported number of maxcpus");
1282 exit(1);
1283 }
1284
1285 if (max_cpus < cpus) {
1286 error_report("maxcpus must be equal to or greater than smp");
1287 exit(1);
1288 }
1289
1290 if (sockets * cores * threads > max_cpus) {
1291 error_report("cpu topology: "
1292 "sockets (%u) * cores (%u) * threads (%u) > "
1293 "maxcpus (%u)",
1294 sockets, cores, threads, max_cpus);
1295 exit(1);
1296 }
1297
1298 smp_cpus = cpus;
1299 smp_cores = cores;
1300 smp_threads = threads;
1301 }
1302
1303 if (smp_cpus > 1) {
1304 Error *blocker = NULL;
1305 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1306 replay_add_blocker(blocker);
1307 }
1308 }
1309
1310 static void realtime_init(void)
1311 {
1312 if (enable_mlock) {
1313 if (os_mlock() < 0) {
1314 error_report("locking memory failed");
1315 exit(1);
1316 }
1317 }
1318 }
1319
1320
1321 static void configure_msg(QemuOpts *opts)
1322 {
1323 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1324 }
1325
1326 /***********************************************************/
1327 /* Semihosting */
1328
1329 typedef struct SemihostingConfig {
1330 bool enabled;
1331 SemihostingTarget target;
1332 const char **argv;
1333 int argc;
1334 const char *cmdline; /* concatenated argv */
1335 } SemihostingConfig;
1336
1337 static SemihostingConfig semihosting;
1338
1339 bool semihosting_enabled(void)
1340 {
1341 return semihosting.enabled;
1342 }
1343
1344 SemihostingTarget semihosting_get_target(void)
1345 {
1346 return semihosting.target;
1347 }
1348
1349 const char *semihosting_get_arg(int i)
1350 {
1351 if (i >= semihosting.argc) {
1352 return NULL;
1353 }
1354 return semihosting.argv[i];
1355 }
1356
1357 int semihosting_get_argc(void)
1358 {
1359 return semihosting.argc;
1360 }
1361
1362 const char *semihosting_get_cmdline(void)
1363 {
1364 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1365 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1366 }
1367 return semihosting.cmdline;
1368 }
1369
1370 static int add_semihosting_arg(void *opaque,
1371 const char *name, const char *val,
1372 Error **errp)
1373 {
1374 SemihostingConfig *s = opaque;
1375 if (strcmp(name, "arg") == 0) {
1376 s->argc++;
1377 /* one extra element as g_strjoinv() expects NULL-terminated array */
1378 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1379 s->argv[s->argc - 1] = val;
1380 s->argv[s->argc] = NULL;
1381 }
1382 return 0;
1383 }
1384
1385 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1386 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1387 {
1388 char *cmd_token;
1389
1390 /* argv[0] */
1391 add_semihosting_arg(&semihosting, "arg", file, NULL);
1392
1393 /* split -append and initialize argv[1..n] */
1394 cmd_token = strtok(g_strdup(cmd), " ");
1395 while (cmd_token) {
1396 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1397 cmd_token = strtok(NULL, " ");
1398 }
1399 }
1400
1401 /* Now we still need this for compatibility with XEN. */
1402 bool has_igd_gfx_passthru;
1403 static void igd_gfx_passthru(void)
1404 {
1405 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1406 }
1407
1408 /***********************************************************/
1409 /* USB devices */
1410
1411 static int usb_device_add(const char *devname)
1412 {
1413 USBDevice *dev = NULL;
1414 #ifndef CONFIG_LINUX
1415 const char *p;
1416 #endif
1417
1418 if (!machine_usb(current_machine)) {
1419 return -1;
1420 }
1421
1422 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1423 dev = usbdevice_create(devname);
1424 if (dev)
1425 goto done;
1426
1427 /* the other ones */
1428 #ifndef CONFIG_LINUX
1429 /* only the linux version is qdev-ified, usb-bsd still needs this */
1430 if (strstart(devname, "host:", &p)) {
1431 dev = usb_host_device_open(usb_bus_find(-1), p);
1432 }
1433 #endif
1434 if (!dev)
1435 return -1;
1436
1437 done:
1438 return 0;
1439 }
1440
1441 static int usb_device_del(const char *devname)
1442 {
1443 int bus_num, addr;
1444 const char *p;
1445
1446 if (strstart(devname, "host:", &p)) {
1447 return -1;
1448 }
1449
1450 if (!machine_usb(current_machine)) {
1451 return -1;
1452 }
1453
1454 p = strchr(devname, '.');
1455 if (!p)
1456 return -1;
1457 bus_num = strtoul(devname, NULL, 0);
1458 addr = strtoul(p + 1, NULL, 0);
1459
1460 return usb_device_delete_addr(bus_num, addr);
1461 }
1462
1463 static int usb_parse(const char *cmdline)
1464 {
1465 int r;
1466 r = usb_device_add(cmdline);
1467 if (r < 0) {
1468 error_report("could not add USB device '%s'", cmdline);
1469 }
1470 return r;
1471 }
1472
1473 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1474 {
1475 const char *devname = qdict_get_str(qdict, "devname");
1476 if (usb_device_add(devname) < 0) {
1477 error_report("could not add USB device '%s'", devname);
1478 }
1479 }
1480
1481 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1482 {
1483 const char *devname = qdict_get_str(qdict, "devname");
1484 if (usb_device_del(devname) < 0) {
1485 error_report("could not delete USB device '%s'", devname);
1486 }
1487 }
1488
1489 /***********************************************************/
1490 /* machine registration */
1491
1492 MachineState *current_machine;
1493
1494 static MachineClass *find_machine(const char *name)
1495 {
1496 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1497 MachineClass *mc = NULL;
1498
1499 for (el = machines; el; el = el->next) {
1500 MachineClass *temp = el->data;
1501
1502 if (!strcmp(temp->name, name)) {
1503 mc = temp;
1504 break;
1505 }
1506 if (temp->alias &&
1507 !strcmp(temp->alias, name)) {
1508 mc = temp;
1509 break;
1510 }
1511 }
1512
1513 g_slist_free(machines);
1514 return mc;
1515 }
1516
1517 MachineClass *find_default_machine(void)
1518 {
1519 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1520 MachineClass *mc = NULL;
1521
1522 for (el = machines; el; el = el->next) {
1523 MachineClass *temp = el->data;
1524
1525 if (temp->is_default) {
1526 mc = temp;
1527 break;
1528 }
1529 }
1530
1531 g_slist_free(machines);
1532 return mc;
1533 }
1534
1535 MachineInfoList *qmp_query_machines(Error **errp)
1536 {
1537 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1538 MachineInfoList *mach_list = NULL;
1539
1540 for (el = machines; el; el = el->next) {
1541 MachineClass *mc = el->data;
1542 MachineInfoList *entry;
1543 MachineInfo *info;
1544
1545 info = g_malloc0(sizeof(*info));
1546 if (mc->is_default) {
1547 info->has_is_default = true;
1548 info->is_default = true;
1549 }
1550
1551 if (mc->alias) {
1552 info->has_alias = true;
1553 info->alias = g_strdup(mc->alias);
1554 }
1555
1556 info->name = g_strdup(mc->name);
1557 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1558 info->hotpluggable_cpus = !!mc->query_hotpluggable_cpus;
1559
1560 entry = g_malloc0(sizeof(*entry));
1561 entry->value = info;
1562 entry->next = mach_list;
1563 mach_list = entry;
1564 }
1565
1566 g_slist_free(machines);
1567 return mach_list;
1568 }
1569
1570 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1571 {
1572 ObjectProperty *prop;
1573 ObjectPropertyIterator iter;
1574
1575 if (!qemu_opt_has_help_opt(opts)) {
1576 return 0;
1577 }
1578
1579 object_property_iter_init(&iter, OBJECT(machine));
1580 while ((prop = object_property_iter_next(&iter))) {
1581 if (!prop->set) {
1582 continue;
1583 }
1584
1585 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1586 prop->name, prop->type);
1587 if (prop->description) {
1588 error_printf(" (%s)\n", prop->description);
1589 } else {
1590 error_printf("\n");
1591 }
1592 }
1593
1594 return 1;
1595 }
1596
1597 /***********************************************************/
1598 /* main execution loop */
1599
1600 struct vm_change_state_entry {
1601 VMChangeStateHandler *cb;
1602 void *opaque;
1603 QLIST_ENTRY (vm_change_state_entry) entries;
1604 };
1605
1606 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1607
1608 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1609 void *opaque)
1610 {
1611 VMChangeStateEntry *e;
1612
1613 e = g_malloc0(sizeof (*e));
1614
1615 e->cb = cb;
1616 e->opaque = opaque;
1617 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1618 return e;
1619 }
1620
1621 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1622 {
1623 QLIST_REMOVE (e, entries);
1624 g_free (e);
1625 }
1626
1627 void vm_state_notify(int running, RunState state)
1628 {
1629 VMChangeStateEntry *e, *next;
1630
1631 trace_vm_state_notify(running, state);
1632
1633 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1634 e->cb(e->opaque, running, state);
1635 }
1636 }
1637
1638 /* reset/shutdown handler */
1639
1640 typedef struct QEMUResetEntry {
1641 QTAILQ_ENTRY(QEMUResetEntry) entry;
1642 QEMUResetHandler *func;
1643 void *opaque;
1644 } QEMUResetEntry;
1645
1646 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1647 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1648 static int reset_requested;
1649 static int shutdown_requested, shutdown_signal = -1;
1650 static pid_t shutdown_pid;
1651 static int powerdown_requested;
1652 static int debug_requested;
1653 static int suspend_requested;
1654 static WakeupReason wakeup_reason;
1655 static NotifierList powerdown_notifiers =
1656 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1657 static NotifierList suspend_notifiers =
1658 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1659 static NotifierList wakeup_notifiers =
1660 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1661 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1662
1663 int qemu_shutdown_requested_get(void)
1664 {
1665 return shutdown_requested;
1666 }
1667
1668 int qemu_reset_requested_get(void)
1669 {
1670 return reset_requested;
1671 }
1672
1673 static int qemu_shutdown_requested(void)
1674 {
1675 return atomic_xchg(&shutdown_requested, 0);
1676 }
1677
1678 static void qemu_kill_report(void)
1679 {
1680 if (!qtest_driver() && shutdown_signal != -1) {
1681 if (shutdown_pid == 0) {
1682 /* This happens for eg ^C at the terminal, so it's worth
1683 * avoiding printing an odd message in that case.
1684 */
1685 error_report("terminating on signal %d", shutdown_signal);
1686 } else {
1687 char *shutdown_cmd = qemu_get_pid_name(shutdown_pid);
1688
1689 error_report("terminating on signal %d from pid " FMT_pid " (%s)",
1690 shutdown_signal, shutdown_pid,
1691 shutdown_cmd ? shutdown_cmd : "<unknown process>");
1692 g_free(shutdown_cmd);
1693 }
1694 shutdown_signal = -1;
1695 }
1696 }
1697
1698 static int qemu_reset_requested(void)
1699 {
1700 int r = reset_requested;
1701 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1702 reset_requested = 0;
1703 return r;
1704 }
1705 return false;
1706 }
1707
1708 static int qemu_suspend_requested(void)
1709 {
1710 int r = suspend_requested;
1711 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1712 suspend_requested = 0;
1713 return r;
1714 }
1715 return false;
1716 }
1717
1718 static WakeupReason qemu_wakeup_requested(void)
1719 {
1720 return wakeup_reason;
1721 }
1722
1723 static int qemu_powerdown_requested(void)
1724 {
1725 int r = powerdown_requested;
1726 powerdown_requested = 0;
1727 return r;
1728 }
1729
1730 static int qemu_debug_requested(void)
1731 {
1732 int r = debug_requested;
1733 debug_requested = 0;
1734 return r;
1735 }
1736
1737 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1738 {
1739 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1740
1741 re->func = func;
1742 re->opaque = opaque;
1743 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1744 }
1745
1746 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1747 {
1748 QEMUResetEntry *re;
1749
1750 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1751 if (re->func == func && re->opaque == opaque) {
1752 QTAILQ_REMOVE(&reset_handlers, re, entry);
1753 g_free(re);
1754 return;
1755 }
1756 }
1757 }
1758
1759 void qemu_devices_reset(void)
1760 {
1761 QEMUResetEntry *re, *nre;
1762
1763 /* reset all devices */
1764 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1765 re->func(re->opaque);
1766 }
1767 }
1768
1769 void qemu_system_reset(bool report)
1770 {
1771 MachineClass *mc;
1772
1773 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1774
1775 cpu_synchronize_all_states();
1776
1777 if (mc && mc->reset) {
1778 mc->reset();
1779 } else {
1780 qemu_devices_reset();
1781 }
1782 if (report) {
1783 qapi_event_send_reset(&error_abort);
1784 }
1785 cpu_synchronize_all_post_reset();
1786 }
1787
1788 void qemu_system_guest_panicked(void)
1789 {
1790 if (current_cpu) {
1791 current_cpu->crash_occurred = true;
1792 }
1793 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1794 vm_stop(RUN_STATE_GUEST_PANICKED);
1795 if (!no_shutdown) {
1796 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF,
1797 &error_abort);
1798 qemu_system_shutdown_request();
1799 }
1800 }
1801
1802 void qemu_system_reset_request(void)
1803 {
1804 if (no_reboot) {
1805 shutdown_requested = 1;
1806 } else {
1807 reset_requested = 1;
1808 }
1809 cpu_stop_current();
1810 qemu_notify_event();
1811 }
1812
1813 static void qemu_system_suspend(void)
1814 {
1815 pause_all_vcpus();
1816 notifier_list_notify(&suspend_notifiers, NULL);
1817 runstate_set(RUN_STATE_SUSPENDED);
1818 qapi_event_send_suspend(&error_abort);
1819 }
1820
1821 void qemu_system_suspend_request(void)
1822 {
1823 if (runstate_check(RUN_STATE_SUSPENDED)) {
1824 return;
1825 }
1826 suspend_requested = 1;
1827 cpu_stop_current();
1828 qemu_notify_event();
1829 }
1830
1831 void qemu_register_suspend_notifier(Notifier *notifier)
1832 {
1833 notifier_list_add(&suspend_notifiers, notifier);
1834 }
1835
1836 void qemu_system_wakeup_request(WakeupReason reason)
1837 {
1838 trace_system_wakeup_request(reason);
1839
1840 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1841 return;
1842 }
1843 if (!(wakeup_reason_mask & (1 << reason))) {
1844 return;
1845 }
1846 runstate_set(RUN_STATE_RUNNING);
1847 wakeup_reason = reason;
1848 qemu_notify_event();
1849 }
1850
1851 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1852 {
1853 if (enabled) {
1854 wakeup_reason_mask |= (1 << reason);
1855 } else {
1856 wakeup_reason_mask &= ~(1 << reason);
1857 }
1858 }
1859
1860 void qemu_register_wakeup_notifier(Notifier *notifier)
1861 {
1862 notifier_list_add(&wakeup_notifiers, notifier);
1863 }
1864
1865 void qemu_system_killed(int signal, pid_t pid)
1866 {
1867 shutdown_signal = signal;
1868 shutdown_pid = pid;
1869 no_shutdown = 0;
1870
1871 /* Cannot call qemu_system_shutdown_request directly because
1872 * we are in a signal handler.
1873 */
1874 shutdown_requested = 1;
1875 qemu_notify_event();
1876 }
1877
1878 void qemu_system_shutdown_request(void)
1879 {
1880 trace_qemu_system_shutdown_request();
1881 replay_shutdown_request();
1882 shutdown_requested = 1;
1883 qemu_notify_event();
1884 }
1885
1886 static void qemu_system_powerdown(void)
1887 {
1888 qapi_event_send_powerdown(&error_abort);
1889 notifier_list_notify(&powerdown_notifiers, NULL);
1890 }
1891
1892 void qemu_system_powerdown_request(void)
1893 {
1894 trace_qemu_system_powerdown_request();
1895 powerdown_requested = 1;
1896 qemu_notify_event();
1897 }
1898
1899 void qemu_register_powerdown_notifier(Notifier *notifier)
1900 {
1901 notifier_list_add(&powerdown_notifiers, notifier);
1902 }
1903
1904 void qemu_system_debug_request(void)
1905 {
1906 debug_requested = 1;
1907 qemu_notify_event();
1908 }
1909
1910 static bool main_loop_should_exit(void)
1911 {
1912 RunState r;
1913 if (qemu_debug_requested()) {
1914 vm_stop(RUN_STATE_DEBUG);
1915 }
1916 if (qemu_suspend_requested()) {
1917 qemu_system_suspend();
1918 }
1919 if (qemu_shutdown_requested()) {
1920 qemu_kill_report();
1921 qapi_event_send_shutdown(&error_abort);
1922 if (no_shutdown) {
1923 vm_stop(RUN_STATE_SHUTDOWN);
1924 } else {
1925 return true;
1926 }
1927 }
1928 if (qemu_reset_requested()) {
1929 pause_all_vcpus();
1930 qemu_system_reset(VMRESET_REPORT);
1931 resume_all_vcpus();
1932 if (!runstate_check(RUN_STATE_RUNNING) &&
1933 !runstate_check(RUN_STATE_INMIGRATE)) {
1934 runstate_set(RUN_STATE_PRELAUNCH);
1935 }
1936 }
1937 if (qemu_wakeup_requested()) {
1938 pause_all_vcpus();
1939 qemu_system_reset(VMRESET_SILENT);
1940 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1941 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1942 resume_all_vcpus();
1943 qapi_event_send_wakeup(&error_abort);
1944 }
1945 if (qemu_powerdown_requested()) {
1946 qemu_system_powerdown();
1947 }
1948 if (qemu_vmstop_requested(&r)) {
1949 vm_stop(r);
1950 }
1951 return false;
1952 }
1953
1954 static void main_loop(void)
1955 {
1956 bool nonblocking;
1957 int last_io = 0;
1958 #ifdef CONFIG_PROFILER
1959 int64_t ti;
1960 #endif
1961 do {
1962 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1963 #ifdef CONFIG_PROFILER
1964 ti = profile_getclock();
1965 #endif
1966 last_io = main_loop_wait(nonblocking);
1967 #ifdef CONFIG_PROFILER
1968 dev_time += profile_getclock() - ti;
1969 #endif
1970 } while (!main_loop_should_exit());
1971 }
1972
1973 static void version(void)
1974 {
1975 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION "\n"
1976 QEMU_COPYRIGHT "\n");
1977 }
1978
1979 static void help(int exitcode)
1980 {
1981 version();
1982 printf("usage: %s [options] [disk_image]\n\n"
1983 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1984 error_get_progname());
1985
1986 #define QEMU_OPTIONS_GENERATE_HELP
1987 #include "qemu-options-wrapper.h"
1988
1989 printf("\nDuring emulation, the following keys are useful:\n"
1990 "ctrl-alt-f toggle full screen\n"
1991 "ctrl-alt-n switch to virtual console 'n'\n"
1992 "ctrl-alt toggle mouse and keyboard grab\n"
1993 "\n"
1994 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1995
1996 exit(exitcode);
1997 }
1998
1999 #define HAS_ARG 0x0001
2000
2001 typedef struct QEMUOption {
2002 const char *name;
2003 int flags;
2004 int index;
2005 uint32_t arch_mask;
2006 } QEMUOption;
2007
2008 static const QEMUOption qemu_options[] = {
2009 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
2010 #define QEMU_OPTIONS_GENERATE_OPTIONS
2011 #include "qemu-options-wrapper.h"
2012 { NULL },
2013 };
2014
2015 typedef struct VGAInterfaceInfo {
2016 const char *opt_name; /* option name */
2017 const char *name; /* human-readable name */
2018 /* Class names indicating that support is available.
2019 * If no class is specified, the interface is always available */
2020 const char *class_names[2];
2021 } VGAInterfaceInfo;
2022
2023 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
2024 [VGA_NONE] = {
2025 .opt_name = "none",
2026 },
2027 [VGA_STD] = {
2028 .opt_name = "std",
2029 .name = "standard VGA",
2030 .class_names = { "VGA", "isa-vga" },
2031 },
2032 [VGA_CIRRUS] = {
2033 .opt_name = "cirrus",
2034 .name = "Cirrus VGA",
2035 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2036 },
2037 [VGA_VMWARE] = {
2038 .opt_name = "vmware",
2039 .name = "VMWare SVGA",
2040 .class_names = { "vmware-svga" },
2041 },
2042 [VGA_VIRTIO] = {
2043 .opt_name = "virtio",
2044 .name = "Virtio VGA",
2045 .class_names = { "virtio-vga" },
2046 },
2047 [VGA_QXL] = {
2048 .opt_name = "qxl",
2049 .name = "QXL VGA",
2050 .class_names = { "qxl-vga" },
2051 },
2052 [VGA_TCX] = {
2053 .opt_name = "tcx",
2054 .name = "TCX framebuffer",
2055 .class_names = { "SUNW,tcx" },
2056 },
2057 [VGA_CG3] = {
2058 .opt_name = "cg3",
2059 .name = "CG3 framebuffer",
2060 .class_names = { "cgthree" },
2061 },
2062 [VGA_XENFB] = {
2063 .opt_name = "xenfb",
2064 },
2065 };
2066
2067 static bool vga_interface_available(VGAInterfaceType t)
2068 {
2069 VGAInterfaceInfo *ti = &vga_interfaces[t];
2070
2071 assert(t < VGA_TYPE_MAX);
2072 return !ti->class_names[0] ||
2073 object_class_by_name(ti->class_names[0]) ||
2074 object_class_by_name(ti->class_names[1]);
2075 }
2076
2077 static void select_vgahw(const char *p)
2078 {
2079 const char *opts;
2080 int t;
2081
2082 assert(vga_interface_type == VGA_NONE);
2083 for (t = 0; t < VGA_TYPE_MAX; t++) {
2084 VGAInterfaceInfo *ti = &vga_interfaces[t];
2085 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2086 if (!vga_interface_available(t)) {
2087 error_report("%s not available", ti->name);
2088 exit(1);
2089 }
2090 vga_interface_type = t;
2091 break;
2092 }
2093 }
2094 if (t == VGA_TYPE_MAX) {
2095 invalid_vga:
2096 error_report("unknown vga type: %s", p);
2097 exit(1);
2098 }
2099 while (*opts) {
2100 const char *nextopt;
2101
2102 if (strstart(opts, ",retrace=", &nextopt)) {
2103 opts = nextopt;
2104 if (strstart(opts, "dumb", &nextopt))
2105 vga_retrace_method = VGA_RETRACE_DUMB;
2106 else if (strstart(opts, "precise", &nextopt))
2107 vga_retrace_method = VGA_RETRACE_PRECISE;
2108 else goto invalid_vga;
2109 } else goto invalid_vga;
2110 opts = nextopt;
2111 }
2112 }
2113
2114 typedef enum DisplayType {
2115 DT_DEFAULT,
2116 DT_CURSES,
2117 DT_SDL,
2118 DT_COCOA,
2119 DT_GTK,
2120 DT_NONE,
2121 } DisplayType;
2122
2123 static DisplayType select_display(const char *p)
2124 {
2125 const char *opts;
2126 DisplayType display = DT_DEFAULT;
2127
2128 if (strstart(p, "sdl", &opts)) {
2129 #ifdef CONFIG_SDL
2130 display = DT_SDL;
2131 while (*opts) {
2132 const char *nextopt;
2133
2134 if (strstart(opts, ",frame=", &nextopt)) {
2135 opts = nextopt;
2136 if (strstart(opts, "on", &nextopt)) {
2137 no_frame = 0;
2138 } else if (strstart(opts, "off", &nextopt)) {
2139 no_frame = 1;
2140 } else {
2141 goto invalid_sdl_args;
2142 }
2143 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2144 opts = nextopt;
2145 if (strstart(opts, "on", &nextopt)) {
2146 alt_grab = 1;
2147 } else if (strstart(opts, "off", &nextopt)) {
2148 alt_grab = 0;
2149 } else {
2150 goto invalid_sdl_args;
2151 }
2152 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2153 opts = nextopt;
2154 if (strstart(opts, "on", &nextopt)) {
2155 ctrl_grab = 1;
2156 } else if (strstart(opts, "off", &nextopt)) {
2157 ctrl_grab = 0;
2158 } else {
2159 goto invalid_sdl_args;
2160 }
2161 } else if (strstart(opts, ",window_close=", &nextopt)) {
2162 opts = nextopt;
2163 if (strstart(opts, "on", &nextopt)) {
2164 no_quit = 0;
2165 } else if (strstart(opts, "off", &nextopt)) {
2166 no_quit = 1;
2167 } else {
2168 goto invalid_sdl_args;
2169 }
2170 } else if (strstart(opts, ",gl=", &nextopt)) {
2171 opts = nextopt;
2172 if (strstart(opts, "on", &nextopt)) {
2173 request_opengl = 1;
2174 } else if (strstart(opts, "off", &nextopt)) {
2175 request_opengl = 0;
2176 } else {
2177 goto invalid_sdl_args;
2178 }
2179 } else {
2180 invalid_sdl_args:
2181 error_report("invalid SDL option string");
2182 exit(1);
2183 }
2184 opts = nextopt;
2185 }
2186 #else
2187 error_report("SDL support is disabled");
2188 exit(1);
2189 #endif
2190 } else if (strstart(p, "vnc", &opts)) {
2191 if (*opts == '=') {
2192 vnc_parse(opts + 1, &error_fatal);
2193 } else {
2194 error_report("VNC requires a display argument vnc=<display>");
2195 exit(1);
2196 }
2197 } else if (strstart(p, "curses", &opts)) {
2198 #ifdef CONFIG_CURSES
2199 display = DT_CURSES;
2200 #else
2201 error_report("curses support is disabled");
2202 exit(1);
2203 #endif
2204 } else if (strstart(p, "gtk", &opts)) {
2205 #ifdef CONFIG_GTK
2206 display = DT_GTK;
2207 while (*opts) {
2208 const char *nextopt;
2209
2210 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2211 opts = nextopt;
2212 if (strstart(opts, "on", &nextopt)) {
2213 grab_on_hover = true;
2214 } else if (strstart(opts, "off", &nextopt)) {
2215 grab_on_hover = false;
2216 } else {
2217 goto invalid_gtk_args;
2218 }
2219 } else if (strstart(opts, ",gl=", &nextopt)) {
2220 opts = nextopt;
2221 if (strstart(opts, "on", &nextopt)) {
2222 request_opengl = 1;
2223 } else if (strstart(opts, "off", &nextopt)) {
2224 request_opengl = 0;
2225 } else {
2226 goto invalid_gtk_args;
2227 }
2228 } else {
2229 invalid_gtk_args:
2230 error_report("invalid GTK option string");
2231 exit(1);
2232 }
2233 opts = nextopt;
2234 }
2235 #else
2236 error_report("GTK support is disabled");
2237 exit(1);
2238 #endif
2239 } else if (strstart(p, "none", &opts)) {
2240 display = DT_NONE;
2241 } else {
2242 error_report("unknown display type");
2243 exit(1);
2244 }
2245
2246 return display;
2247 }
2248
2249 static int balloon_parse(const char *arg)
2250 {
2251 QemuOpts *opts;
2252
2253 if (strcmp(arg, "none") == 0) {
2254 return 0;
2255 }
2256
2257 if (!strncmp(arg, "virtio", 6)) {
2258 if (arg[6] == ',') {
2259 /* have params -> parse them */
2260 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2261 false);
2262 if (!opts)
2263 return -1;
2264 } else {
2265 /* create empty opts */
2266 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2267 &error_abort);
2268 }
2269 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2270 return 0;
2271 }
2272
2273 return -1;
2274 }
2275
2276 char *qemu_find_file(int type, const char *name)
2277 {
2278 int i;
2279 const char *subdir;
2280 char *buf;
2281
2282 /* Try the name as a straight path first */
2283 if (access(name, R_OK) == 0) {
2284 trace_load_file(name, name);
2285 return g_strdup(name);
2286 }
2287
2288 switch (type) {
2289 case QEMU_FILE_TYPE_BIOS:
2290 subdir = "";
2291 break;
2292 case QEMU_FILE_TYPE_KEYMAP:
2293 subdir = "keymaps/";
2294 break;
2295 default:
2296 abort();
2297 }
2298
2299 for (i = 0; i < data_dir_idx; i++) {
2300 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2301 if (access(buf, R_OK) == 0) {
2302 trace_load_file(name, buf);
2303 return buf;
2304 }
2305 g_free(buf);
2306 }
2307 return NULL;
2308 }
2309
2310 static inline bool nonempty_str(const char *str)
2311 {
2312 return str && *str;
2313 }
2314
2315 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2316 {
2317 gchar *buf;
2318 size_t size;
2319 const char *name, *file, *str;
2320 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2321
2322 if (fw_cfg == NULL) {
2323 error_report("fw_cfg device not available");
2324 return -1;
2325 }
2326 name = qemu_opt_get(opts, "name");
2327 file = qemu_opt_get(opts, "file");
2328 str = qemu_opt_get(opts, "string");
2329
2330 /* we need name and either a file or the content string */
2331 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2332 error_report("invalid argument(s)");
2333 return -1;
2334 }
2335 if (nonempty_str(file) && nonempty_str(str)) {
2336 error_report("file and string are mutually exclusive");
2337 return -1;
2338 }
2339 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2340 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2341 return -1;
2342 }
2343 if (strncmp(name, "opt/", 4) != 0) {
2344 error_report("warning: externally provided fw_cfg item names "
2345 "should be prefixed with \"opt/\"");
2346 }
2347 if (nonempty_str(str)) {
2348 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2349 buf = g_memdup(str, size);
2350 } else {
2351 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2352 error_report("can't load %s", file);
2353 return -1;
2354 }
2355 }
2356 /* For legacy, keep user files in a specific global order. */
2357 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2358 fw_cfg_add_file(fw_cfg, name, buf, size);
2359 fw_cfg_reset_order_override(fw_cfg);
2360 return 0;
2361 }
2362
2363 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2364 {
2365 return qdev_device_help(opts);
2366 }
2367
2368 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2369 {
2370 Error *err = NULL;
2371 DeviceState *dev;
2372
2373 dev = qdev_device_add(opts, &err);
2374 if (!dev) {
2375 error_report_err(err);
2376 return -1;
2377 }
2378 object_unref(OBJECT(dev));
2379 return 0;
2380 }
2381
2382 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2383 {
2384 Error *local_err = NULL;
2385
2386 qemu_chr_new_from_opts(opts, &local_err);
2387 if (local_err) {
2388 error_report_err(local_err);
2389 return -1;
2390 }
2391 return 0;
2392 }
2393
2394 #ifdef CONFIG_VIRTFS
2395 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2396 {
2397 return qemu_fsdev_add(opts);
2398 }
2399 #endif
2400
2401 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2402 {
2403 CharDriverState *chr;
2404 const char *chardev;
2405 const char *mode;
2406 int flags;
2407
2408 mode = qemu_opt_get(opts, "mode");
2409 if (mode == NULL) {
2410 mode = "readline";
2411 }
2412 if (strcmp(mode, "readline") == 0) {
2413 flags = MONITOR_USE_READLINE;
2414 } else if (strcmp(mode, "control") == 0) {
2415 flags = MONITOR_USE_CONTROL;
2416 } else {
2417 error_report("unknown monitor mode \"%s\"", mode);
2418 exit(1);
2419 }
2420
2421 if (qemu_opt_get_bool(opts, "pretty", 0))
2422 flags |= MONITOR_USE_PRETTY;
2423
2424 if (qemu_opt_get_bool(opts, "default", 0)) {
2425 error_report("option 'default' does nothing and is deprecated");
2426 }
2427
2428 chardev = qemu_opt_get(opts, "chardev");
2429 chr = qemu_chr_find(chardev);
2430 if (chr == NULL) {
2431 error_report("chardev \"%s\" not found", chardev);
2432 exit(1);
2433 }
2434
2435 monitor_init(chr, flags);
2436 return 0;
2437 }
2438
2439 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2440 {
2441 static int monitor_device_index = 0;
2442 QemuOpts *opts;
2443 const char *p;
2444 char label[32];
2445
2446 if (strstart(optarg, "chardev:", &p)) {
2447 snprintf(label, sizeof(label), "%s", p);
2448 } else {
2449 snprintf(label, sizeof(label), "compat_monitor%d",
2450 monitor_device_index);
2451 opts = qemu_chr_parse_compat(label, optarg);
2452 if (!opts) {
2453 error_report("parse error: %s", optarg);
2454 exit(1);
2455 }
2456 }
2457
2458 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2459 qemu_opt_set(opts, "mode", mode, &error_abort);
2460 qemu_opt_set(opts, "chardev", label, &error_abort);
2461 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2462 monitor_device_index++;
2463 }
2464
2465 struct device_config {
2466 enum {
2467 DEV_USB, /* -usbdevice */
2468 DEV_BT, /* -bt */
2469 DEV_SERIAL, /* -serial */
2470 DEV_PARALLEL, /* -parallel */
2471 DEV_VIRTCON, /* -virtioconsole */
2472 DEV_DEBUGCON, /* -debugcon */
2473 DEV_GDB, /* -gdb, -s */
2474 DEV_SCLP, /* s390 sclp */
2475 } type;
2476 const char *cmdline;
2477 Location loc;
2478 QTAILQ_ENTRY(device_config) next;
2479 };
2480
2481 static QTAILQ_HEAD(, device_config) device_configs =
2482 QTAILQ_HEAD_INITIALIZER(device_configs);
2483
2484 static void add_device_config(int type, const char *cmdline)
2485 {
2486 struct device_config *conf;
2487
2488 conf = g_malloc0(sizeof(*conf));
2489 conf->type = type;
2490 conf->cmdline = cmdline;
2491 loc_save(&conf->loc);
2492 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2493 }
2494
2495 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2496 {
2497 struct device_config *conf;
2498 int rc;
2499
2500 QTAILQ_FOREACH(conf, &device_configs, next) {
2501 if (conf->type != type)
2502 continue;
2503 loc_push_restore(&conf->loc);
2504 rc = func(conf->cmdline);
2505 loc_pop(&conf->loc);
2506 if (rc) {
2507 return rc;
2508 }
2509 }
2510 return 0;
2511 }
2512
2513 static int serial_parse(const char *devname)
2514 {
2515 static int index = 0;
2516 char label[32];
2517
2518 if (strcmp(devname, "none") == 0)
2519 return 0;
2520 if (index == MAX_SERIAL_PORTS) {
2521 error_report("too many serial ports");
2522 exit(1);
2523 }
2524 snprintf(label, sizeof(label), "serial%d", index);
2525 serial_hds[index] = qemu_chr_new(label, devname);
2526 if (!serial_hds[index]) {
2527 error_report("could not connect serial device"
2528 " to character backend '%s'", devname);
2529 return -1;
2530 }
2531 index++;
2532 return 0;
2533 }
2534
2535 static int parallel_parse(const char *devname)
2536 {
2537 static int index = 0;
2538 char label[32];
2539
2540 if (strcmp(devname, "none") == 0)
2541 return 0;
2542 if (index == MAX_PARALLEL_PORTS) {
2543 error_report("too many parallel ports");
2544 exit(1);
2545 }
2546 snprintf(label, sizeof(label), "parallel%d", index);
2547 parallel_hds[index] = qemu_chr_new(label, devname);
2548 if (!parallel_hds[index]) {
2549 error_report("could not connect parallel device"
2550 " to character backend '%s'", devname);
2551 return -1;
2552 }
2553 index++;
2554 return 0;
2555 }
2556
2557 static int virtcon_parse(const char *devname)
2558 {
2559 QemuOptsList *device = qemu_find_opts("device");
2560 static int index = 0;
2561 char label[32];
2562 QemuOpts *bus_opts, *dev_opts;
2563
2564 if (strcmp(devname, "none") == 0)
2565 return 0;
2566 if (index == MAX_VIRTIO_CONSOLES) {
2567 error_report("too many virtio consoles");
2568 exit(1);
2569 }
2570
2571 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2572 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2573
2574 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2575 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2576
2577 snprintf(label, sizeof(label), "virtcon%d", index);
2578 virtcon_hds[index] = qemu_chr_new(label, devname);
2579 if (!virtcon_hds[index]) {
2580 error_report("could not connect virtio console"
2581 " to character backend '%s'", devname);
2582 return -1;
2583 }
2584 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2585
2586 index++;
2587 return 0;
2588 }
2589
2590 static int sclp_parse(const char *devname)
2591 {
2592 QemuOptsList *device = qemu_find_opts("device");
2593 static int index = 0;
2594 char label[32];
2595 QemuOpts *dev_opts;
2596
2597 if (strcmp(devname, "none") == 0) {
2598 return 0;
2599 }
2600 if (index == MAX_SCLP_CONSOLES) {
2601 error_report("too many sclp consoles");
2602 exit(1);
2603 }
2604
2605 assert(arch_type == QEMU_ARCH_S390X);
2606
2607 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2608 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2609
2610 snprintf(label, sizeof(label), "sclpcon%d", index);
2611 sclp_hds[index] = qemu_chr_new(label, devname);
2612 if (!sclp_hds[index]) {
2613 error_report("could not connect sclp console"
2614 " to character backend '%s'", devname);
2615 return -1;
2616 }
2617 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2618
2619 index++;
2620 return 0;
2621 }
2622
2623 static int debugcon_parse(const char *devname)
2624 {
2625 QemuOpts *opts;
2626
2627 if (!qemu_chr_new("debugcon", devname)) {
2628 exit(1);
2629 }
2630 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2631 if (!opts) {
2632 error_report("already have a debugcon device");
2633 exit(1);
2634 }
2635 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2636 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2637 return 0;
2638 }
2639
2640 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2641 {
2642 const MachineClass *mc1 = a, *mc2 = b;
2643 int res;
2644
2645 if (mc1->family == NULL) {
2646 if (mc2->family == NULL) {
2647 /* Compare standalone machine types against each other; they sort
2648 * in increasing order.
2649 */
2650 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2651 object_class_get_name(OBJECT_CLASS(mc2)));
2652 }
2653
2654 /* Standalone machine types sort after families. */
2655 return 1;
2656 }
2657
2658 if (mc2->family == NULL) {
2659 /* Families sort before standalone machine types. */
2660 return -1;
2661 }
2662
2663 /* Families sort between each other alphabetically increasingly. */
2664 res = strcmp(mc1->family, mc2->family);
2665 if (res != 0) {
2666 return res;
2667 }
2668
2669 /* Within the same family, machine types sort in decreasing order. */
2670 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2671 object_class_get_name(OBJECT_CLASS(mc1)));
2672 }
2673
2674 static MachineClass *machine_parse(const char *name)
2675 {
2676 MachineClass *mc = NULL;
2677 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2678
2679 if (name) {
2680 mc = find_machine(name);
2681 }
2682 if (mc) {
2683 g_slist_free(machines);
2684 return mc;
2685 }
2686 if (name && !is_help_option(name)) {
2687 error_report("unsupported machine type");
2688 error_printf("Use -machine help to list supported machines\n");
2689 } else {
2690 printf("Supported machines are:\n");
2691 machines = g_slist_sort(machines, machine_class_cmp);
2692 for (el = machines; el; el = el->next) {
2693 MachineClass *mc = el->data;
2694 if (mc->alias) {
2695 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2696 }
2697 printf("%-20s %s%s\n", mc->name, mc->desc,
2698 mc->is_default ? " (default)" : "");
2699 }
2700 }
2701
2702 g_slist_free(machines);
2703 exit(!name || !is_help_option(name));
2704 }
2705
2706 void qemu_add_exit_notifier(Notifier *notify)
2707 {
2708 notifier_list_add(&exit_notifiers, notify);
2709 }
2710
2711 void qemu_remove_exit_notifier(Notifier *notify)
2712 {
2713 notifier_remove(notify);
2714 }
2715
2716 static void qemu_run_exit_notifiers(void)
2717 {
2718 notifier_list_notify(&exit_notifiers, NULL);
2719 }
2720
2721 static bool machine_init_done;
2722
2723 void qemu_add_machine_init_done_notifier(Notifier *notify)
2724 {
2725 notifier_list_add(&machine_init_done_notifiers, notify);
2726 if (machine_init_done) {
2727 notify->notify(notify, NULL);
2728 }
2729 }
2730
2731 void qemu_remove_machine_init_done_notifier(Notifier *notify)
2732 {
2733 notifier_remove(notify);
2734 }
2735
2736 static void qemu_run_machine_init_done_notifiers(void)
2737 {
2738 notifier_list_notify(&machine_init_done_notifiers, NULL);
2739 machine_init_done = true;
2740 }
2741
2742 static const QEMUOption *lookup_opt(int argc, char **argv,
2743 const char **poptarg, int *poptind)
2744 {
2745 const QEMUOption *popt;
2746 int optind = *poptind;
2747 char *r = argv[optind];
2748 const char *optarg;
2749
2750 loc_set_cmdline(argv, optind, 1);
2751 optind++;
2752 /* Treat --foo the same as -foo. */
2753 if (r[1] == '-')
2754 r++;
2755 popt = qemu_options;
2756 for(;;) {
2757 if (!popt->name) {
2758 error_report("invalid option");
2759 exit(1);
2760 }
2761 if (!strcmp(popt->name, r + 1))
2762 break;
2763 popt++;
2764 }
2765 if (popt->flags & HAS_ARG) {
2766 if (optind >= argc) {
2767 error_report("requires an argument");
2768 exit(1);
2769 }
2770 optarg = argv[optind++];
2771 loc_set_cmdline(argv, optind - 2, 2);
2772 } else {
2773 optarg = NULL;
2774 }
2775
2776 *poptarg = optarg;
2777 *poptind = optind;
2778
2779 return popt;
2780 }
2781
2782 static MachineClass *select_machine(void)
2783 {
2784 MachineClass *machine_class = find_default_machine();
2785 const char *optarg;
2786 QemuOpts *opts;
2787 Location loc;
2788
2789 loc_push_none(&loc);
2790
2791 opts = qemu_get_machine_opts();
2792 qemu_opts_loc_restore(opts);
2793
2794 optarg = qemu_opt_get(opts, "type");
2795 if (optarg) {
2796 machine_class = machine_parse(optarg);
2797 }
2798
2799 if (!machine_class) {
2800 error_report("No machine specified, and there is no default");
2801 error_printf("Use -machine help to list supported machines\n");
2802 exit(1);
2803 }
2804
2805 loc_pop(&loc);
2806 return machine_class;
2807 }
2808
2809 static int machine_set_property(void *opaque,
2810 const char *name, const char *value,
2811 Error **errp)
2812 {
2813 Object *obj = OBJECT(opaque);
2814 Error *local_err = NULL;
2815 char *p, *qom_name;
2816
2817 if (strcmp(name, "type") == 0) {
2818 return 0;
2819 }
2820
2821 qom_name = g_strdup(name);
2822 for (p = qom_name; *p; p++) {
2823 if (*p == '_') {
2824 *p = '-';
2825 }
2826 }
2827
2828 object_property_parse(obj, value, qom_name, &local_err);
2829 g_free(qom_name);
2830
2831 if (local_err) {
2832 error_report_err(local_err);
2833 return -1;
2834 }
2835
2836 return 0;
2837 }
2838
2839
2840 /*
2841 * Initial object creation happens before all other
2842 * QEMU data types are created. The majority of objects
2843 * can be created at this point. The rng-egd object
2844 * cannot be created here, as it depends on the chardev
2845 * already existing.
2846 */
2847 static bool object_create_initial(const char *type)
2848 {
2849 if (g_str_equal(type, "rng-egd")) {
2850 return false;
2851 }
2852
2853 /*
2854 * return false for concrete netfilters since
2855 * they depend on netdevs already existing
2856 */
2857 if (g_str_equal(type, "filter-buffer") ||
2858 g_str_equal(type, "filter-dump") ||
2859 g_str_equal(type, "filter-mirror") ||
2860 g_str_equal(type, "filter-redirector") ||
2861 g_str_equal(type, "colo-compare") ||
2862 g_str_equal(type, "filter-rewriter")) {
2863 return false;
2864 }
2865
2866 /* Memory allocation by backends needs to be done
2867 * after configure_accelerator() (due to the tcg_enabled()
2868 * checks at memory_region_init_*()).
2869 *
2870 * Also, allocation of large amounts of memory may delay
2871 * chardev initialization for too long, and trigger timeouts
2872 * on software that waits for a monitor socket to be created
2873 * (e.g. libvirt).
2874 */
2875 if (g_str_has_prefix(type, "memory-backend-")) {
2876 return false;
2877 }
2878
2879 return true;
2880 }
2881
2882
2883 /*
2884 * The remainder of object creation happens after the
2885 * creation of chardev, fsdev, net clients and device data types.
2886 */
2887 static bool object_create_delayed(const char *type)
2888 {
2889 return !object_create_initial(type);
2890 }
2891
2892
2893 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2894 MachineClass *mc)
2895 {
2896 uint64_t sz;
2897 const char *mem_str;
2898 const char *maxmem_str, *slots_str;
2899 const ram_addr_t default_ram_size = mc->default_ram_size;
2900 QemuOpts *opts = qemu_find_opts_singleton("memory");
2901 Location loc;
2902
2903 loc_push_none(&loc);
2904 qemu_opts_loc_restore(opts);
2905
2906 sz = 0;
2907 mem_str = qemu_opt_get(opts, "size");
2908 if (mem_str) {
2909 if (!*mem_str) {
2910 error_report("missing 'size' option value");
2911 exit(EXIT_FAILURE);
2912 }
2913
2914 sz = qemu_opt_get_size(opts, "size", ram_size);
2915
2916 /* Fix up legacy suffix-less format */
2917 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2918 uint64_t overflow_check = sz;
2919
2920 sz <<= 20;
2921 if ((sz >> 20) != overflow_check) {
2922 error_report("too large 'size' option value");
2923 exit(EXIT_FAILURE);
2924 }
2925 }
2926 }
2927
2928 /* backward compatibility behaviour for case "-m 0" */
2929 if (sz == 0) {
2930 sz = default_ram_size;
2931 }
2932
2933 sz = QEMU_ALIGN_UP(sz, 8192);
2934 ram_size = sz;
2935 if (ram_size != sz) {
2936 error_report("ram size too large");
2937 exit(EXIT_FAILURE);
2938 }
2939
2940 /* store value for the future use */
2941 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2942 *maxram_size = ram_size;
2943
2944 maxmem_str = qemu_opt_get(opts, "maxmem");
2945 slots_str = qemu_opt_get(opts, "slots");
2946 if (maxmem_str && slots_str) {
2947 uint64_t slots;
2948
2949 sz = qemu_opt_get_size(opts, "maxmem", 0);
2950 slots = qemu_opt_get_number(opts, "slots", 0);
2951 if (sz < ram_size) {
2952 error_report("invalid value of -m option maxmem: "
2953 "maximum memory size (0x%" PRIx64 ") must be at least "
2954 "the initial memory size (0x" RAM_ADDR_FMT ")",
2955 sz, ram_size);
2956 exit(EXIT_FAILURE);
2957 } else if (sz > ram_size) {
2958 if (!slots) {
2959 error_report("invalid value of -m option: maxmem was "
2960 "specified, but no hotplug slots were specified");
2961 exit(EXIT_FAILURE);
2962 }
2963 } else if (slots) {
2964 error_report("invalid value of -m option maxmem: "
2965 "memory slots were specified but maximum memory size "
2966 "(0x%" PRIx64 ") is equal to the initial memory size "
2967 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2968 exit(EXIT_FAILURE);
2969 }
2970
2971 *maxram_size = sz;
2972 *ram_slots = slots;
2973 } else if ((!maxmem_str && slots_str) ||
2974 (maxmem_str && !slots_str)) {
2975 error_report("invalid -m option value: missing "
2976 "'%s' option", slots_str ? "maxmem" : "slots");
2977 exit(EXIT_FAILURE);
2978 }
2979
2980 loc_pop(&loc);
2981 }
2982
2983 static int global_init_func(void *opaque, QemuOpts *opts, Error **errp)
2984 {
2985 GlobalProperty *g;
2986
2987 g = g_malloc0(sizeof(*g));
2988 g->driver = qemu_opt_get(opts, "driver");
2989 g->property = qemu_opt_get(opts, "property");
2990 g->value = qemu_opt_get(opts, "value");
2991 g->user_provided = true;
2992 g->errp = &error_fatal;
2993 qdev_prop_register_global(g);
2994 return 0;
2995 }
2996
2997 int main(int argc, char **argv, char **envp)
2998 {
2999 int i;
3000 int snapshot, linux_boot;
3001 const char *initrd_filename;
3002 const char *kernel_filename, *kernel_cmdline;
3003 const char *boot_order = NULL;
3004 const char *boot_once = NULL;
3005 DisplayState *ds;
3006 int cyls, heads, secs, translation;
3007 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
3008 QemuOptsList *olist;
3009 int optind;
3010 const char *optarg;
3011 const char *loadvm = NULL;
3012 MachineClass *machine_class;
3013 const char *cpu_model;
3014 const char *vga_model = NULL;
3015 const char *qtest_chrdev = NULL;
3016 const char *qtest_log = NULL;
3017 const char *pid_file = NULL;
3018 const char *incoming = NULL;
3019 bool defconfig = true;
3020 bool userconfig = true;
3021 bool nographic = false;
3022 DisplayType display_type = DT_DEFAULT;
3023 int display_remote = 0;
3024 const char *log_mask = NULL;
3025 const char *log_file = NULL;
3026 char *trace_file = NULL;
3027 ram_addr_t maxram_size;
3028 uint64_t ram_slots = 0;
3029 FILE *vmstate_dump_file = NULL;
3030 Error *main_loop_err = NULL;
3031 Error *err = NULL;
3032 bool list_data_dirs = false;
3033
3034 module_call_init(MODULE_INIT_TRACE);
3035
3036 qemu_init_cpu_list();
3037 qemu_init_cpu_loop();
3038 qemu_mutex_lock_iothread();
3039
3040 atexit(qemu_run_exit_notifiers);
3041 error_set_progname(argv[0]);
3042 qemu_init_exec_dir(argv[0]);
3043
3044 module_call_init(MODULE_INIT_QOM);
3045 module_call_init(MODULE_INIT_QAPI);
3046
3047 qemu_add_opts(&qemu_drive_opts);
3048 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3049 qemu_add_drive_opts(&qemu_common_drive_opts);
3050 qemu_add_drive_opts(&qemu_drive_opts);
3051 qemu_add_drive_opts(&bdrv_runtime_opts);
3052 qemu_add_opts(&qemu_chardev_opts);
3053 qemu_add_opts(&qemu_device_opts);
3054 qemu_add_opts(&qemu_netdev_opts);
3055 qemu_add_opts(&qemu_net_opts);
3056 qemu_add_opts(&qemu_rtc_opts);
3057 qemu_add_opts(&qemu_global_opts);
3058 qemu_add_opts(&qemu_mon_opts);
3059 qemu_add_opts(&qemu_trace_opts);
3060 qemu_add_opts(&qemu_option_rom_opts);
3061 qemu_add_opts(&qemu_machine_opts);
3062 qemu_add_opts(&qemu_mem_opts);
3063 qemu_add_opts(&qemu_smp_opts);
3064 qemu_add_opts(&qemu_boot_opts);
3065 qemu_add_opts(&qemu_sandbox_opts);
3066 qemu_add_opts(&qemu_add_fd_opts);
3067 qemu_add_opts(&qemu_object_opts);
3068 qemu_add_opts(&qemu_tpmdev_opts);
3069 qemu_add_opts(&qemu_realtime_opts);
3070 qemu_add_opts(&qemu_msg_opts);
3071 qemu_add_opts(&qemu_name_opts);
3072 qemu_add_opts(&qemu_numa_opts);
3073 qemu_add_opts(&qemu_icount_opts);
3074 qemu_add_opts(&qemu_semihosting_config_opts);
3075 qemu_add_opts(&qemu_fw_cfg_opts);
3076 #ifdef CONFIG_LIBISCSI
3077 qemu_add_opts(&qemu_iscsi_opts);
3078 #endif
3079 module_call_init(MODULE_INIT_OPTS);
3080
3081 runstate_init();
3082
3083 if (qcrypto_init(&err) < 0) {
3084 error_reportf_err(err, "cannot initialize crypto: ");
3085 exit(1);
3086 }
3087 rtc_clock = QEMU_CLOCK_HOST;
3088
3089 QLIST_INIT (&vm_change_state_head);
3090 os_setup_early_signal_handling();
3091
3092 cpu_model = NULL;
3093 snapshot = 0;
3094 cyls = heads = secs = 0;
3095 translation = BIOS_ATA_TRANSLATION_AUTO;
3096
3097 nb_nics = 0;
3098
3099 bdrv_init_with_whitelist();
3100
3101 autostart = 1;
3102
3103 /* first pass of option parsing */
3104 optind = 1;
3105 while (optind < argc) {
3106 if (argv[optind][0] != '-') {
3107 /* disk image */
3108 optind++;
3109 } else {
3110 const QEMUOption *popt;
3111
3112 popt = lookup_opt(argc, argv, &optarg, &optind);
3113 switch (popt->index) {
3114 case QEMU_OPTION_nodefconfig:
3115 defconfig = false;
3116 break;
3117 case QEMU_OPTION_nouserconfig:
3118 userconfig = false;
3119 break;
3120 }
3121 }
3122 }
3123
3124 if (defconfig) {
3125 int ret;
3126 ret = qemu_read_default_config_files(userconfig);
3127 if (ret < 0) {
3128 exit(1);
3129 }
3130 }
3131
3132 /* second pass of option parsing */
3133 optind = 1;
3134 for(;;) {
3135 if (optind >= argc)
3136 break;
3137 if (argv[optind][0] != '-') {
3138 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3139 } else {
3140 const QEMUOption *popt;
3141
3142 popt = lookup_opt(argc, argv, &optarg, &optind);
3143 if (!(popt->arch_mask & arch_type)) {
3144 error_report("Option not supported for this target");
3145 exit(1);
3146 }
3147 switch(popt->index) {
3148 case QEMU_OPTION_no_kvm_irqchip: {
3149 olist = qemu_find_opts("machine");
3150 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3151 break;
3152 }
3153 case QEMU_OPTION_cpu:
3154 /* hw initialization will check this */
3155 cpu_model = optarg;
3156 break;
3157 case QEMU_OPTION_hda:
3158 {
3159 char buf[256];
3160 if (cyls == 0)
3161 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3162 else
3163 snprintf(buf, sizeof(buf),
3164 "%s,cyls=%d,heads=%d,secs=%d%s",
3165 HD_OPTS , cyls, heads, secs,
3166 translation == BIOS_ATA_TRANSLATION_LBA ?
3167 ",trans=lba" :
3168 translation == BIOS_ATA_TRANSLATION_NONE ?
3169 ",trans=none" : "");
3170 drive_add(IF_DEFAULT, 0, optarg, buf);
3171 break;
3172 }
3173 case QEMU_OPTION_hdb:
3174 case QEMU_OPTION_hdc:
3175 case QEMU_OPTION_hdd:
3176 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3177 HD_OPTS);
3178 break;
3179 case QEMU_OPTION_drive:
3180 if (drive_def(optarg) == NULL) {
3181 exit(1);
3182 }
3183 break;
3184 case QEMU_OPTION_set:
3185 if (qemu_set_option(optarg) != 0)
3186 exit(1);
3187 break;
3188 case QEMU_OPTION_global:
3189 if (qemu_global_option(optarg) != 0)
3190 exit(1);
3191 break;
3192 case QEMU_OPTION_mtdblock:
3193 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3194 break;
3195 case QEMU_OPTION_sd:
3196 drive_add(IF_SD, -1, optarg, SD_OPTS);
3197 break;
3198 case QEMU_OPTION_pflash:
3199 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3200 break;
3201 case QEMU_OPTION_snapshot:
3202 snapshot = 1;
3203 break;
3204 case QEMU_OPTION_hdachs:
3205 {
3206 const char *p;
3207 p = optarg;
3208 cyls = strtol(p, (char **)&p, 0);
3209 if (cyls < 1 || cyls > 16383)
3210 goto chs_fail;
3211 if (*p != ',')
3212 goto chs_fail;
3213 p++;
3214 heads = strtol(p, (char **)&p, 0);
3215 if (heads < 1 || heads > 16)
3216 goto chs_fail;
3217 if (*p != ',')
3218 goto chs_fail;
3219 p++;
3220 secs = strtol(p, (char **)&p, 0);
3221 if (secs < 1 || secs > 63)
3222 goto chs_fail;
3223 if (*p == ',') {
3224 p++;
3225 if (!strcmp(p, "large")) {
3226 translation = BIOS_ATA_TRANSLATION_LARGE;
3227 } else if (!strcmp(p, "rechs")) {
3228 translation = BIOS_ATA_TRANSLATION_RECHS;
3229 } else if (!strcmp(p, "none")) {
3230 translation = BIOS_ATA_TRANSLATION_NONE;
3231 } else if (!strcmp(p, "lba")) {
3232 translation = BIOS_ATA_TRANSLATION_LBA;
3233 } else if (!strcmp(p, "auto")) {
3234 translation = BIOS_ATA_TRANSLATION_AUTO;
3235 } else {
3236 goto chs_fail;
3237 }
3238 } else if (*p != '\0') {
3239 chs_fail:
3240 error_report("invalid physical CHS format");
3241 exit(1);
3242 }
3243 if (hda_opts != NULL) {
3244 qemu_opt_set_number(hda_opts, "cyls", cyls,
3245 &error_abort);
3246 qemu_opt_set_number(hda_opts, "heads", heads,
3247 &error_abort);
3248 qemu_opt_set_number(hda_opts, "secs", secs,
3249 &error_abort);
3250 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3251 qemu_opt_set(hda_opts, "trans", "large",
3252 &error_abort);
3253 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3254 qemu_opt_set(hda_opts, "trans", "rechs",
3255 &error_abort);
3256 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3257 qemu_opt_set(hda_opts, "trans", "lba",
3258 &error_abort);
3259 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3260 qemu_opt_set(hda_opts, "trans", "none",
3261 &error_abort);
3262 }
3263 }
3264 }
3265 break;
3266 case QEMU_OPTION_numa:
3267 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3268 optarg, true);
3269 if (!opts) {
3270 exit(1);
3271 }
3272 break;
3273 case QEMU_OPTION_display:
3274 display_type = select_display(optarg);
3275 break;
3276 case QEMU_OPTION_nographic:
3277 olist = qemu_find_opts("machine");
3278 qemu_opts_parse_noisily(olist, "graphics=off", false);
3279 nographic = true;
3280 display_type = DT_NONE;
3281 break;
3282 case QEMU_OPTION_curses:
3283 #ifdef CONFIG_CURSES
3284 display_type = DT_CURSES;
3285 #else
3286 error_report("curses support is disabled");
3287 exit(1);
3288 #endif
3289 break;
3290 case QEMU_OPTION_portrait:
3291 graphic_rotate = 90;
3292 break;
3293 case QEMU_OPTION_rotate:
3294 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3295 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3296 graphic_rotate != 180 && graphic_rotate != 270) {
3297 error_report("only 90, 180, 270 deg rotation is available");
3298 exit(1);
3299 }
3300 break;
3301 case QEMU_OPTION_kernel:
3302 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3303 &error_abort);
3304 break;
3305 case QEMU_OPTION_initrd:
3306 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3307 &error_abort);
3308 break;
3309 case QEMU_OPTION_append:
3310 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3311 &error_abort);
3312 break;
3313 case QEMU_OPTION_dtb:
3314 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3315 &error_abort);
3316 break;
3317 case QEMU_OPTION_cdrom:
3318 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3319 break;
3320 case QEMU_OPTION_boot:
3321 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3322 optarg, true);
3323 if (!opts) {
3324 exit(1);
3325 }
3326 break;
3327 case QEMU_OPTION_fda:
3328 case QEMU_OPTION_fdb:
3329 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3330 optarg, FD_OPTS);
3331 break;
3332 case QEMU_OPTION_no_fd_bootchk:
3333 fd_bootchk = 0;
3334 break;
3335 case QEMU_OPTION_netdev:
3336 default_net = 0;
3337 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3338 exit(1);
3339 }
3340 break;
3341 case QEMU_OPTION_net:
3342 default_net = 0;
3343 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3344 exit(1);
3345 }
3346 break;
3347 #ifdef CONFIG_LIBISCSI
3348 case QEMU_OPTION_iscsi:
3349 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3350 optarg, false);
3351 if (!opts) {
3352 exit(1);
3353 }
3354 break;
3355 #endif
3356 #ifdef CONFIG_SLIRP
3357 case QEMU_OPTION_tftp:
3358 error_report("The -tftp option is deprecated. "
3359 "Please use '-netdev user,tftp=...' instead.");
3360 legacy_tftp_prefix = optarg;
3361 break;
3362 case QEMU_OPTION_bootp:
3363 error_report("The -bootp option is deprecated. "
3364 "Please use '-netdev user,bootfile=...' instead.");
3365 legacy_bootp_filename = optarg;
3366 break;
3367 case QEMU_OPTION_redir:
3368 error_report("The -redir option is deprecated. "
3369 "Please use '-netdev user,hostfwd=...' instead.");
3370 if (net_slirp_redir(optarg) < 0)
3371 exit(1);
3372 break;
3373 #endif
3374 case QEMU_OPTION_bt:
3375 add_device_config(DEV_BT, optarg);
3376 break;
3377 case QEMU_OPTION_audio_help:
3378 AUD_help ();
3379 exit (0);
3380 break;
3381 case QEMU_OPTION_soundhw:
3382 select_soundhw (optarg);
3383 break;
3384 case QEMU_OPTION_h:
3385 help(0);
3386 break;
3387 case QEMU_OPTION_version:
3388 version();
3389 exit(0);
3390 break;
3391 case QEMU_OPTION_m:
3392 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3393 optarg, true);
3394 if (!opts) {
3395 exit(EXIT_FAILURE);
3396 }
3397 break;
3398 #ifdef CONFIG_TPM
3399 case QEMU_OPTION_tpmdev:
3400 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3401 exit(1);
3402 }
3403 break;
3404 #endif
3405 case QEMU_OPTION_mempath:
3406 mem_path = optarg;
3407 break;
3408 case QEMU_OPTION_mem_prealloc:
3409 mem_prealloc = 1;
3410 break;
3411 case QEMU_OPTION_d:
3412 log_mask = optarg;
3413 break;
3414 case QEMU_OPTION_D:
3415 log_file = optarg;
3416 break;
3417 case QEMU_OPTION_DFILTER:
3418 qemu_set_dfilter_ranges(optarg, &error_fatal);
3419 break;
3420 case QEMU_OPTION_s:
3421 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3422 break;
3423 case QEMU_OPTION_gdb:
3424 add_device_config(DEV_GDB, optarg);
3425 break;
3426 case QEMU_OPTION_L:
3427 if (is_help_option(optarg)) {
3428 list_data_dirs = true;
3429 } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3430 data_dir[data_dir_idx++] = optarg;
3431 }
3432 break;
3433 case QEMU_OPTION_bios:
3434 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3435 &error_abort);
3436 break;
3437 case QEMU_OPTION_singlestep:
3438 singlestep = 1;
3439 break;
3440 case QEMU_OPTION_S:
3441 autostart = 0;
3442 break;
3443 case QEMU_OPTION_k:
3444 keyboard_layout = optarg;
3445 break;
3446 case QEMU_OPTION_localtime:
3447 rtc_utc = 0;
3448 break;
3449 case QEMU_OPTION_vga:
3450 vga_model = optarg;
3451 default_vga = 0;
3452 break;
3453 case QEMU_OPTION_g:
3454 {
3455 const char *p;
3456 int w, h, depth;
3457 p = optarg;
3458 w = strtol(p, (char **)&p, 10);
3459 if (w <= 0) {
3460 graphic_error:
3461 error_report("invalid resolution or depth");
3462 exit(1);
3463 }
3464 if (*p != 'x')
3465 goto graphic_error;
3466 p++;
3467 h = strtol(p, (char **)&p, 10);
3468 if (h <= 0)
3469 goto graphic_error;
3470 if (*p == 'x') {
3471 p++;
3472 depth = strtol(p, (char **)&p, 10);
3473 if (depth != 8 && depth != 15 && depth != 16 &&
3474 depth != 24 && depth != 32)
3475 goto graphic_error;
3476 } else if (*p == '\0') {
3477 depth = graphic_depth;
3478 } else {
3479 goto graphic_error;
3480 }
3481
3482 graphic_width = w;
3483 graphic_height = h;
3484 graphic_depth = depth;
3485 }
3486 break;
3487 case QEMU_OPTION_echr:
3488 {
3489 char *r;
3490 term_escape_char = strtol(optarg, &r, 0);
3491 if (r == optarg)
3492 printf("Bad argument to echr\n");
3493 break;
3494 }
3495 case QEMU_OPTION_monitor:
3496 default_monitor = 0;
3497 if (strncmp(optarg, "none", 4)) {
3498 monitor_parse(optarg, "readline", false);
3499 }
3500 break;
3501 case QEMU_OPTION_qmp:
3502 monitor_parse(optarg, "control", false);
3503 default_monitor = 0;
3504 break;
3505 case QEMU_OPTION_qmp_pretty:
3506 monitor_parse(optarg, "control", true);
3507 default_monitor = 0;
3508 break;
3509 case QEMU_OPTION_mon:
3510 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3511 true);
3512 if (!opts) {
3513 exit(1);
3514 }
3515 default_monitor = 0;
3516 break;
3517 case QEMU_OPTION_chardev:
3518 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3519 optarg, true);
3520 if (!opts) {
3521 exit(1);
3522 }
3523 break;
3524 case QEMU_OPTION_fsdev:
3525 olist = qemu_find_opts("fsdev");
3526 if (!olist) {
3527 error_report("fsdev support is disabled");
3528 exit(1);
3529 }
3530 opts = qemu_opts_parse_noisily(olist, optarg, true);
3531 if (!opts) {
3532 exit(1);
3533 }
3534 break;
3535 case QEMU_OPTION_virtfs: {
3536 QemuOpts *fsdev;
3537 QemuOpts *device;
3538 const char *writeout, *sock_fd, *socket;
3539
3540 olist = qemu_find_opts("virtfs");
3541 if (!olist) {
3542 error_report("virtfs support is disabled");
3543 exit(1);
3544 }
3545 opts = qemu_opts_parse_noisily(olist, optarg, true);
3546 if (!opts) {
3547 exit(1);
3548 }
3549
3550 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3551 qemu_opt_get(opts, "mount_tag") == NULL) {
3552 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3553 exit(1);
3554 }
3555 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3556 qemu_opt_get(opts, "mount_tag"),
3557 1, NULL);
3558 if (!fsdev) {
3559 error_report("duplicate fsdev id: %s",
3560 qemu_opt_get(opts, "mount_tag"));
3561 exit(1);
3562 }
3563
3564 writeout = qemu_opt_get(opts, "writeout");
3565 if (writeout) {
3566 #ifdef CONFIG_SYNC_FILE_RANGE
3567 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3568 #else
3569 error_report("writeout=immediate not supported "
3570 "on this platform");
3571 exit(1);
3572 #endif
3573 }
3574 qemu_opt_set(fsdev, "fsdriver",
3575 qemu_opt_get(opts, "fsdriver"), &error_abort);
3576 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3577 &error_abort);
3578 qemu_opt_set(fsdev, "security_model",
3579 qemu_opt_get(opts, "security_model"),
3580 &error_abort);
3581 socket = qemu_opt_get(opts, "socket");
3582 if (socket) {
3583 qemu_opt_set(fsdev, "socket", socket, &error_abort);
3584 }
3585 sock_fd = qemu_opt_get(opts, "sock_fd");
3586 if (sock_fd) {
3587 qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort);
3588 }
3589
3590 qemu_opt_set_bool(fsdev, "readonly",
3591 qemu_opt_get_bool(opts, "readonly", 0),
3592 &error_abort);
3593 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3594 &error_abort);
3595 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3596 qemu_opt_set(device, "fsdev",
3597 qemu_opt_get(opts, "mount_tag"), &error_abort);
3598 qemu_opt_set(device, "mount_tag",
3599 qemu_opt_get(opts, "mount_tag"), &error_abort);
3600 break;
3601 }
3602 case QEMU_OPTION_virtfs_synth: {
3603 QemuOpts *fsdev;
3604 QemuOpts *device;
3605
3606 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3607 1, NULL);
3608 if (!fsdev) {
3609 error_report("duplicate option: %s", "virtfs_synth");
3610 exit(1);
3611 }
3612 qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort);
3613
3614 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3615 &error_abort);
3616 qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort);
3617 qemu_opt_set(device, "fsdev", "v_synth", &error_abort);
3618 qemu_opt_set(device, "mount_tag", "v_synth", &error_abort);
3619 break;
3620 }
3621 case QEMU_OPTION_serial:
3622 add_device_config(DEV_SERIAL, optarg);
3623 default_serial = 0;
3624 if (strncmp(optarg, "mon:", 4) == 0) {
3625 default_monitor = 0;
3626 }
3627 break;
3628 case QEMU_OPTION_watchdog:
3629 if (watchdog) {
3630 error_report("only one watchdog option may be given");
3631 return 1;
3632 }
3633 watchdog = optarg;
3634 break;
3635 case QEMU_OPTION_watchdog_action:
3636 if (select_watchdog_action(optarg) == -1) {
3637 error_report("unknown -watchdog-action parameter");
3638 exit(1);
3639 }
3640 break;
3641 case QEMU_OPTION_virtiocon:
3642 add_device_config(DEV_VIRTCON, optarg);
3643 default_virtcon = 0;
3644 if (strncmp(optarg, "mon:", 4) == 0) {
3645 default_monitor = 0;
3646 }
3647 break;
3648 case QEMU_OPTION_parallel:
3649 add_device_config(DEV_PARALLEL, optarg);
3650 default_parallel = 0;
3651 if (strncmp(optarg, "mon:", 4) == 0) {
3652 default_monitor = 0;
3653 }
3654 break;
3655 case QEMU_OPTION_debugcon:
3656 add_device_config(DEV_DEBUGCON, optarg);
3657 break;
3658 case QEMU_OPTION_loadvm:
3659 loadvm = optarg;
3660 break;
3661 case QEMU_OPTION_full_screen:
3662 full_screen = 1;
3663 break;
3664 case QEMU_OPTION_no_frame:
3665 no_frame = 1;
3666 break;
3667 case QEMU_OPTION_alt_grab:
3668 alt_grab = 1;
3669 break;
3670 case QEMU_OPTION_ctrl_grab:
3671 ctrl_grab = 1;
3672 break;
3673 case QEMU_OPTION_no_quit:
3674 no_quit = 1;
3675 break;
3676 case QEMU_OPTION_sdl:
3677 #ifdef CONFIG_SDL
3678 display_type = DT_SDL;
3679 break;
3680 #else
3681 error_report("SDL support is disabled");
3682 exit(1);
3683 #endif
3684 case QEMU_OPTION_pidfile:
3685 pid_file = optarg;
3686 break;
3687 case QEMU_OPTION_win2k_hack:
3688 win2k_install_hack = 1;
3689 break;
3690 case QEMU_OPTION_rtc_td_hack: {
3691 static GlobalProperty slew_lost_ticks = {
3692 .driver = "mc146818rtc",
3693 .property = "lost_tick_policy",
3694 .value = "slew",
3695 };
3696
3697 qdev_prop_register_global(&slew_lost_ticks);
3698 break;
3699 }
3700 case QEMU_OPTION_acpitable:
3701 opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3702 optarg, true);
3703 if (!opts) {
3704 exit(1);
3705 }
3706 do_acpitable_option(opts);
3707 break;
3708 case QEMU_OPTION_smbios:
3709 opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3710 optarg, false);
3711 if (!opts) {
3712 exit(1);
3713 }
3714 do_smbios_option(opts);
3715 break;
3716 case QEMU_OPTION_fwcfg:
3717 opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3718 optarg, true);
3719 if (opts == NULL) {
3720 exit(1);
3721 }
3722 break;
3723 case QEMU_OPTION_enable_kvm:
3724 olist = qemu_find_opts("machine");
3725 qemu_opts_parse_noisily(olist, "accel=kvm", false);
3726 break;
3727 case QEMU_OPTION_M:
3728 case QEMU_OPTION_machine:
3729 olist = qemu_find_opts("machine");
3730 opts = qemu_opts_parse_noisily(olist, optarg, true);
3731 if (!opts) {
3732 exit(1);
3733 }
3734 break;
3735 case QEMU_OPTION_no_kvm:
3736 olist = qemu_find_opts("machine");
3737 qemu_opts_parse_noisily(olist, "accel=tcg", false);
3738 break;
3739 case QEMU_OPTION_no_kvm_pit: {
3740 error_report("warning: ignoring deprecated option");
3741 break;
3742 }
3743 case QEMU_OPTION_no_kvm_pit_reinjection: {
3744 static GlobalProperty kvm_pit_lost_tick_policy = {
3745 .driver = "kvm-pit",
3746 .property = "lost_tick_policy",
3747 .value = "discard",
3748 };
3749
3750 error_report("warning: deprecated, replaced by "
3751 "-global kvm-pit.lost_tick_policy=discard");
3752 qdev_prop_register_global(&kvm_pit_lost_tick_policy);
3753 break;
3754 }
3755 case QEMU_OPTION_usb:
3756 olist = qemu_find_opts("machine");
3757 qemu_opts_parse_noisily(olist, "usb=on", false);
3758 break;
3759 case QEMU_OPTION_usbdevice:
3760 olist = qemu_find_opts("machine");
3761 qemu_opts_parse_noisily(olist, "usb=on", false);
3762 add_device_config(DEV_USB, optarg);
3763 break;
3764 case QEMU_OPTION_device:
3765 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3766 optarg, true)) {
3767 exit(1);
3768 }
3769 break;
3770 case QEMU_OPTION_smp:
3771 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3772 optarg, true)) {
3773 exit(1);
3774 }
3775 break;
3776 case QEMU_OPTION_vnc:
3777 vnc_parse(optarg, &error_fatal);
3778 break;
3779 case QEMU_OPTION_no_acpi:
3780 acpi_enabled = 0;
3781 break;
3782 case QEMU_OPTION_no_hpet:
3783 no_hpet = 1;
3784 break;
3785 case QEMU_OPTION_balloon:
3786 if (balloon_parse(optarg) < 0) {
3787 error_report("unknown -balloon argument %s", optarg);
3788 exit(1);
3789 }
3790 break;
3791 case QEMU_OPTION_no_reboot:
3792 no_reboot = 1;
3793 break;
3794 case QEMU_OPTION_no_shutdown:
3795 no_shutdown = 1;
3796 break;
3797 case QEMU_OPTION_show_cursor:
3798 cursor_hide = 0;
3799 break;
3800 case QEMU_OPTION_uuid:
3801 if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) {
3802 error_report("failed to parse UUID string: wrong format");
3803 exit(1);
3804 }
3805 qemu_uuid_set = true;
3806 break;
3807 case QEMU_OPTION_option_rom:
3808 if (nb_option_roms >= MAX_OPTION_ROMS) {
3809 error_report("too many option ROMs");
3810 exit(1);
3811 }
3812 opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3813 optarg, true);
3814 if (!opts) {
3815 exit(1);
3816 }
3817 option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3818 option_rom[nb_option_roms].bootindex =
3819 qemu_opt_get_number(opts, "bootindex", -1);
3820 if (!option_rom[nb_option_roms].name) {
3821 error_report("Option ROM file is not specified");
3822 exit(1);
3823 }
3824 nb_option_roms++;
3825 break;
3826 case QEMU_OPTION_semihosting:
3827 semihosting.enabled = true;
3828 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3829 break;
3830 case QEMU_OPTION_semihosting_config:
3831 semihosting.enabled = true;
3832 opts = qemu_opts_parse_noisily(qemu_find_opts("semihosting-config"),
3833 optarg, false);
3834 if (opts != NULL) {
3835 semihosting.enabled = qemu_opt_get_bool(opts, "enable",
3836 true);
3837 const char *target = qemu_opt_get(opts, "target");
3838 if (target != NULL) {
3839 if (strcmp("native", target) == 0) {
3840 semihosting.target = SEMIHOSTING_TARGET_NATIVE;
3841 } else if (strcmp("gdb", target) == 0) {
3842 semihosting.target = SEMIHOSTING_TARGET_GDB;
3843 } else if (strcmp("auto", target) == 0) {
3844 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3845 } else {
3846 error_report("unsupported semihosting-config %s",
3847 optarg);
3848 exit(1);
3849 }
3850 } else {
3851 semihosting.target = SEMIHOSTING_TARGET_AUTO;
3852 }
3853 /* Set semihosting argument count and vector */
3854 qemu_opt_foreach(opts, add_semihosting_arg,
3855 &semihosting, NULL);
3856 } else {
3857 error_report("unsupported semihosting-config %s", optarg);
3858 exit(1);
3859 }
3860 break;
3861 case QEMU_OPTION_tdf:
3862 error_report("warning: ignoring deprecated option");
3863 break;
3864 case QEMU_OPTION_name:
3865 opts = qemu_opts_parse_noisily(qemu_find_opts("name"),
3866 optarg, true);
3867 if (!opts) {
3868 exit(1);
3869 }
3870 break;
3871 case QEMU_OPTION_prom_env:
3872 if (nb_prom_envs >= MAX_PROM_ENVS) {
3873 error_report("too many prom variables");
3874 exit(1);
3875 }
3876 prom_envs[nb_prom_envs] = optarg;
3877 nb_prom_envs++;
3878 break;
3879 case QEMU_OPTION_old_param:
3880 old_param = 1;
3881 break;
3882 case QEMU_OPTION_clock:
3883 /* Clock options no longer exist. Keep this option for
3884 * backward compatibility.
3885 */
3886 break;
3887 case QEMU_OPTION_startdate:
3888 configure_rtc_date_offset(optarg, 1);
3889 break;
3890 case QEMU_OPTION_rtc:
3891 opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg,
3892 false);
3893 if (!opts) {
3894 exit(1);
3895 }
3896 configure_rtc(opts);
3897 break;
3898 case QEMU_OPTION_tb_size:
3899 tcg_tb_size = strtol(optarg, NULL, 0);
3900 if (tcg_tb_size < 0) {
3901 tcg_tb_size = 0;
3902 }
3903 break;
3904 case QEMU_OPTION_icount:
3905 icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"),
3906 optarg, true);
3907 if (!icount_opts) {
3908 exit(1);
3909 }
3910 break;
3911 case QEMU_OPTION_incoming:
3912 if (!incoming) {
3913 runstate_set(RUN_STATE_INMIGRATE);
3914 }
3915 incoming = optarg;
3916 break;
3917 case QEMU_OPTION_nodefaults:
3918 has_defaults = 0;
3919 break;
3920 case QEMU_OPTION_xen_domid:
3921 if (!(xen_available())) {
3922 error_report("Option not supported for this target");
3923 exit(1);
3924 }
3925 xen_domid = atoi(optarg);
3926 break;
3927 case QEMU_OPTION_xen_create:
3928 if (!(xen_available())) {
3929 error_report("Option not supported for this target");
3930 exit(1);
3931 }
3932 xen_mode = XEN_CREATE;
3933 break;
3934 case QEMU_OPTION_xen_attach:
3935 if (!(xen_available())) {
3936 error_report("Option not supported for this target");
3937 exit(1);
3938 }
3939 xen_mode = XEN_ATTACH;
3940 break;
3941 case QEMU_OPTION_trace:
3942 g_free(trace_file);
3943 trace_file = trace_opt_parse(optarg);
3944 break;
3945 case QEMU_OPTION_readconfig:
3946 {
3947 int ret = qemu_read_config_file(optarg);
3948 if (ret < 0) {
3949 error_report("read config %s: %s", optarg,
3950 strerror(-ret));
3951 exit(1);
3952 }
3953 break;
3954 }
3955 case QEMU_OPTION_spice:
3956 olist = qemu_find_opts("spice");
3957 if (!olist) {
3958 error_report("spice support is disabled");
3959 exit(1);
3960 }
3961 opts = qemu_opts_parse_noisily(olist, optarg, false);
3962 if (!opts) {
3963 exit(1);
3964 }
3965 display_remote++;
3966 break;
3967 case QEMU_OPTION_writeconfig:
3968 {
3969 FILE *fp;
3970 if (strcmp(optarg, "-") == 0) {
3971 fp = stdout;
3972 } else {
3973 fp = fopen(optarg, "w");
3974 if (fp == NULL) {
3975 error_report("open %s: %s", optarg,
3976 strerror(errno));
3977 exit(1);
3978 }
3979 }
3980 qemu_config_write(fp);
3981 if (fp != stdout) {
3982 fclose(fp);
3983 }
3984 break;
3985 }
3986 case QEMU_OPTION_qtest:
3987 qtest_chrdev = optarg;
3988 break;
3989 case QEMU_OPTION_qtest_log:
3990 qtest_log = optarg;
3991 break;
3992 case QEMU_OPTION_sandbox:
3993 opts = qemu_opts_parse_noisily(qemu_find_opts("sandbox"),
3994 optarg, true);
3995 if (!opts) {
3996 exit(1);
3997 }
3998 break;
3999 case QEMU_OPTION_add_fd:
4000 #ifndef _WIN32
4001 opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
4002 optarg, false);
4003 if (!opts) {
4004 exit(1);
4005 }
4006 #else
4007 error_report("File descriptor passing is disabled on this "
4008 "platform");
4009 exit(1);
4010 #endif
4011 break;
4012 case QEMU_OPTION_object:
4013 opts = qemu_opts_parse_noisily(qemu_find_opts("object"),
4014 optarg, true);
4015 if (!opts) {
4016 exit(1);
4017 }
4018 break;
4019 case QEMU_OPTION_realtime:
4020 opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"),
4021 optarg, false);
4022 if (!opts) {
4023 exit(1);
4024 }
4025 enable_mlock = qemu_opt_get_bool(opts, "mlock", true);
4026 break;
4027 case QEMU_OPTION_msg:
4028 opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg,
4029 false);
4030 if (!opts) {
4031 exit(1);
4032 }
4033 configure_msg(opts);
4034 break;
4035 case QEMU_OPTION_dump_vmstate:
4036 if (vmstate_dump_file) {
4037 error_report("only one '-dump-vmstate' "
4038 "option may be given");
4039 exit(1);
4040 }
4041 vmstate_dump_file = fopen(optarg, "w");
4042 if (vmstate_dump_file == NULL) {
4043 error_report("open %s: %s", optarg, strerror(errno));
4044 exit(1);
4045 }
4046 break;
4047 default:
4048 os_parse_cmd_args(popt->index, optarg);
4049 }
4050 }
4051 }
4052 /*
4053 * Clear error location left behind by the loop.
4054 * Best done right after the loop. Do not insert code here!
4055 */
4056 loc_set_none();
4057
4058 replay_configure(icount_opts);
4059
4060 machine_class = select_machine();
4061
4062 set_memory_options(&ram_slots, &maxram_size, machine_class);
4063
4064 os_daemonize();
4065
4066 if (pid_file && qemu_create_pidfile(pid_file) != 0) {
4067 error_report("could not acquire pid file: %s", strerror(errno));
4068 exit(1);
4069 }
4070
4071 if (qemu_init_main_loop(&main_loop_err)) {
4072 error_report_err(main_loop_err);
4073 exit(1);
4074 }
4075
4076 if (qemu_opts_foreach(qemu_find_opts("sandbox"),
4077 parse_sandbox, NULL, NULL)) {
4078 exit(1);
4079 }
4080
4081 if (qemu_opts_foreach(qemu_find_opts("name"),
4082 parse_name, NULL, NULL)) {
4083 exit(1);
4084 }
4085
4086 #ifndef _WIN32
4087 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4088 parse_add_fd, NULL, NULL)) {
4089 exit(1);
4090 }
4091
4092 if (qemu_opts_foreach(qemu_find_opts("add-fd"),
4093 cleanup_add_fd, NULL, NULL)) {
4094 exit(1);
4095 }
4096 #endif
4097
4098 current_machine = MACHINE(object_new(object_class_get_name(
4099 OBJECT_CLASS(machine_class))));
4100 if (machine_help_func(qemu_get_machine_opts(), current_machine)) {
4101 exit(0);
4102 }
4103 object_property_add_child(object_get_root(), "machine",
4104 OBJECT(current_machine), &error_abort);
4105
4106 if (machine_class->minimum_page_bits) {
4107 if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) {
4108 /* This would be a board error: specifying a minimum smaller than
4109 * a target's compile-time fixed setting.
4110 */
4111 g_assert_not_reached();
4112 }
4113 }
4114
4115 cpu_exec_init_all();
4116
4117 if (machine_class->hw_version) {
4118 qemu_set_hw_version(machine_class->hw_version);
4119 }
4120
4121 if (cpu_model && is_help_option(cpu_model)) {
4122 list_cpus(stdout, &fprintf, cpu_model);
4123 exit(0);
4124 }
4125
4126 if (!trace_init_backends()) {
4127 exit(1);
4128 }
4129 trace_init_file(trace_file);
4130
4131 /* Open the logfile at this point and set the log mask if necessary.
4132 */
4133 if (log_file) {
4134 qemu_set_log_filename(log_file, &error_fatal);
4135 }
4136
4137 if (log_mask) {
4138 int mask;
4139 mask = qemu_str_to_log_mask(log_mask);
4140 if (!mask) {
4141 qemu_print_log_usage(stdout);
4142 exit(1);
4143 }
4144 qemu_set_log(mask);
4145 } else {
4146 qemu_set_log(0);
4147 }
4148
4149 /* If no data_dir is specified then try to find it relative to the
4150 executable path. */
4151 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4152 data_dir[data_dir_idx] = os_find_datadir();
4153 if (data_dir[data_dir_idx] != NULL) {
4154 data_dir_idx++;
4155 }
4156 }
4157 /* If all else fails use the install path specified when building. */
4158 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
4159 data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
4160 }
4161
4162 /* -L help lists the data directories and exits. */
4163 if (list_data_dirs) {
4164 for (i = 0; i < data_dir_idx; i++) {
4165 printf("%s\n", data_dir[i]);
4166 }
4167 exit(0);
4168 }
4169
4170 smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
4171
4172 machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
4173 if (max_cpus > machine_class->max_cpus) {
4174 error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
4175 "supported by machine '%s' (%d)", max_cpus,
4176 machine_class->name, machine_class->max_cpus);
4177 exit(1);
4178 }
4179
4180 /*
4181 * Get the default machine options from the machine if it is not already
4182 * specified either by the configuration file or by the command line.
4183 */
4184 if (machine_class->default_machine_opts) {
4185 qemu_opts_set_defaults(qemu_find_opts("machine"),
4186 machine_class->default_machine_opts, 0);
4187 }
4188
4189 qemu_opts_foreach(qemu_find_opts("device"),
4190 default_driver_check, NULL, NULL);
4191 qemu_opts_foreach(qemu_find_opts("global"),
4192 default_driver_check, NULL, NULL);
4193
4194 if (!vga_model && !default_vga) {
4195 vga_interface_type = VGA_DEVICE;
4196 }
4197 if (!has_defaults || machine_class->no_serial) {
4198 default_serial = 0;
4199 }
4200 if (!has_defaults || machine_class->no_parallel) {
4201 default_parallel = 0;
4202 }
4203 if (!has_defaults || !machine_class->use_virtcon) {
4204 default_virtcon = 0;
4205 }
4206 if (!has_defaults || !machine_class->use_sclp) {
4207 default_sclp = 0;
4208 }
4209 if (!has_defaults || machine_class->no_floppy) {
4210 default_floppy = 0;
4211 }
4212 if (!has_defaults || machine_class->no_cdrom) {
4213 default_cdrom = 0;
4214 }
4215 if (!has_defaults || machine_class->no_sdcard) {
4216 default_sdcard = 0;
4217 }
4218 if (!has_defaults) {
4219 default_monitor = 0;
4220 default_net = 0;
4221 default_vga = 0;
4222 }
4223
4224 if (is_daemonized()) {
4225 /* According to documentation and historically, -nographic redirects
4226 * serial port, parallel port and monitor to stdio, which does not work
4227 * with -daemonize. We can redirect these to null instead, but since
4228 * -nographic is legacy, let's just error out.
4229 * We disallow -nographic only if all other ports are not redirected
4230 * explicitly, to not break existing legacy setups which uses
4231 * -nographic _and_ redirects all ports explicitly - this is valid
4232 * usage, -nographic is just a no-op in this case.
4233 */
4234 if (nographic
4235 && (default_parallel || default_serial
4236 || default_monitor || default_virtcon)) {
4237 error_report("-nographic cannot be used with -daemonize");
4238 exit(1);
4239 }
4240 #ifdef CONFIG_CURSES
4241 if (display_type == DT_CURSES) {
4242 error_report("curses display cannot be used with -daemonize");
4243 exit(1);
4244 }
4245 #endif
4246 }
4247
4248 if (nographic) {
4249 if (default_parallel)
4250 add_device_config(DEV_PARALLEL, "null");
4251 if (default_serial && default_monitor) {
4252 add_device_config(DEV_SERIAL, "mon:stdio");
4253 } else if (default_virtcon && default_monitor) {
4254 add_device_config(DEV_VIRTCON, "mon:stdio");
4255 } else if (default_sclp && default_monitor) {
4256 add_device_config(DEV_SCLP, "mon:stdio");
4257 } else {
4258 if (default_serial)
4259 add_device_config(DEV_SERIAL, "stdio");
4260 if (default_virtcon)
4261 add_device_config(DEV_VIRTCON, "stdio");
4262 if (default_sclp) {
4263 add_device_config(DEV_SCLP, "stdio");
4264 }
4265 if (default_monitor)
4266 monitor_parse("stdio", "readline", false);
4267 }
4268 } else {
4269 if (default_serial)
4270 add_device_config(DEV_SERIAL, "vc:80Cx24C");
4271 if (default_parallel)
4272 add_device_config(DEV_PARALLEL, "vc:80Cx24C");
4273 if (default_monitor)
4274 monitor_parse("vc:80Cx24C", "readline", false);
4275 if (default_virtcon)
4276 add_device_config(DEV_VIRTCON, "vc:80Cx24C");
4277 if (default_sclp) {
4278 add_device_config(DEV_SCLP, "vc:80Cx24C");
4279 }
4280 }
4281
4282 #if defined(CONFIG_VNC)
4283 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) {
4284 display_remote++;
4285 }
4286 #endif
4287 if (display_type == DT_DEFAULT && !display_remote) {
4288 #if defined(CONFIG_GTK)
4289 display_type = DT_GTK;
4290 #elif defined(CONFIG_SDL)
4291 display_type = DT_SDL;
4292 #elif defined(CONFIG_COCOA)
4293 display_type = DT_COCOA;
4294 #elif defined(CONFIG_VNC)
4295 vnc_parse("localhost:0,to=99,id=default", &error_abort);
4296 #else
4297 display_type = DT_NONE;
4298 #endif
4299 }
4300
4301 if ((no_frame || alt_grab || ctrl_grab) && display_type != DT_SDL) {
4302 error_report("-no-frame, -alt-grab and -ctrl-grab are only valid "
4303 "for SDL, ignoring option");
4304 }
4305 if (no_quit && (display_type != DT_GTK && display_type != DT_SDL)) {
4306 error_report("-no-quit is only valid for GTK and SDL, "
4307 "ignoring option");
4308 }
4309
4310 if (display_type == DT_GTK) {
4311 early_gtk_display_init(request_opengl);
4312 }
4313
4314 if (display_type == DT_SDL) {
4315 sdl_display_early_init(request_opengl);
4316 }
4317
4318 if (request_opengl == 1 && display_opengl == 0) {
4319 #if defined(CONFIG_OPENGL)
4320 error_report("OpenGL is not supported by the display");
4321 #else
4322 error_report("OpenGL support is disabled");
4323 #endif
4324 exit(1);
4325 }
4326
4327 page_size_init();
4328 socket_init();
4329
4330 if (qemu_opts_foreach(qemu_find_opts("object"),
4331 user_creatable_add_opts_foreach,
4332 object_create_initial, NULL)) {
4333 exit(1);
4334 }
4335
4336 if (qemu_opts_foreach(qemu_find_opts("chardev"),
4337 chardev_init_func, NULL, NULL)) {
4338 exit(1);
4339 }
4340
4341 #ifdef CONFIG_VIRTFS
4342 if (qemu_opts_foreach(qemu_find_opts("fsdev"),
4343 fsdev_init_func, NULL, NULL)) {
4344 exit(1);
4345 }
4346 #endif
4347
4348 if (qemu_opts_foreach(qemu_find_opts("device"),
4349 device_help_func, NULL, NULL)) {
4350 exit(0);
4351 }
4352
4353 machine_opts = qemu_get_machine_opts();
4354 if (qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
4355 NULL)) {
4356 object_unref(OBJECT(current_machine));
4357 exit(1);
4358 }
4359
4360 configure_accelerator(current_machine);
4361
4362 if (qtest_chrdev) {
4363 qtest_init(qtest_chrdev, qtest_log, &error_fatal);
4364 }
4365
4366 machine_opts = qemu_get_machine_opts();
4367 kernel_filename = qemu_opt_get(machine_opts, "kernel");
4368 initrd_filename = qemu_opt_get(machine_opts, "initrd");
4369 kernel_cmdline = qemu_opt_get(machine_opts, "append");
4370 bios_name = qemu_opt_get(machine_opts, "firmware");
4371
4372 opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
4373 if (opts) {
4374 boot_order = qemu_opt_get(opts, "order");
4375 if (boot_order) {
4376 validate_bootdevices(boot_order, &error_fatal);
4377 }
4378
4379 boot_once = qemu_opt_get(opts, "once");
4380 if (boot_once) {
4381 validate_bootdevices(boot_once, &error_fatal);
4382 }
4383
4384 boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu);
4385 boot_strict = qemu_opt_get_bool(opts, "strict", false);
4386 }
4387
4388 if (!boot_order) {
4389 boot_order = machine_class->default_boot_order;
4390 }
4391
4392 if (!kernel_cmdline) {
4393 kernel_cmdline = "";
4394 current_machine->kernel_cmdline = (char *)kernel_cmdline;
4395 }
4396
4397 linux_boot = (kernel_filename != NULL);
4398
4399 if (!linux_boot && *kernel_cmdline != '\0') {
4400 error_report("-append only allowed with -kernel option");
4401 exit(1);
4402 }
4403
4404 if (!linux_boot && initrd_filename != NULL) {
4405 error_report("-initrd only allowed with -kernel option");
4406 exit(1);
4407 }
4408
4409 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) {
4410 /* fall back to the -kernel/-append */
4411 semihosting_arg_fallback(kernel_filename, kernel_cmdline);
4412 }
4413
4414 os_set_line_buffering();
4415
4416 /* spice needs the timers to be initialized by this point */
4417 qemu_spice_init();
4418
4419 cpu_ticks_init();
4420 if (icount_opts) {
4421 if (kvm_enabled() || xen_enabled()) {
4422 error_report("-icount is not allowed with kvm or xen");
4423 exit(1);
4424 }
4425 configure_icount(icount_opts, &error_abort);
4426 qemu_opts_del(icount_opts);
4427 }
4428
4429 if (default_net) {
4430 QemuOptsList *net = qemu_find_opts("net");
4431 qemu_opts_set(net, NULL, "type", "nic", &error_abort);
4432 #ifdef CONFIG_SLIRP
4433 qemu_opts_set(net, NULL, "type", "user", &error_abort);
4434 #endif
4435 }
4436
4437 colo_info_init();
4438
4439 if (net_init_clients() < 0) {
4440 exit(1);
4441 }
4442
4443 if (qemu_opts_foreach(qemu_find_opts("object"),
4444 user_creatable_add_opts_foreach,
4445 object_create_delayed, NULL)) {
4446 exit(1);
4447 }
4448
4449 #ifdef CONFIG_TPM
4450 if (tpm_init() < 0) {
4451 exit(1);
4452 }
4453 #endif
4454
4455 /* init the bluetooth world */
4456 if (foreach_device_config(DEV_BT, bt_parse))
4457 exit(1);
4458
4459 if (!xen_enabled()) {
4460 /* On 32-bit hosts, QEMU is limited by virtual address space */
4461 if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
4462 error_report("at most 2047 MB RAM can be simulated");
4463 exit(1);
4464 }
4465 }
4466
4467 blk_mig_init();
4468 ram_mig_init();
4469
4470 /* If the currently selected machine wishes to override the units-per-bus
4471 * property of its default HBA interface type, do so now. */
4472 if (machine_class->units_per_default_bus) {
4473 override_max_devs(machine_class->block_default_type,
4474 machine_class->units_per_default_bus);
4475 }
4476
4477 /* open the virtual block devices */
4478 if (snapshot || replay_mode != REPLAY_MODE_NONE) {
4479 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
4480 NULL, NULL);
4481 }
4482 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
4483 &machine_class->block_default_type, NULL)) {
4484 exit(1);
4485 }
4486
4487 default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2,
4488 CDROM_OPTS);
4489 default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
4490 default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
4491
4492 parse_numa_opts(machine_class);
4493
4494 if (qemu_opts_foreach(qemu_find_opts("mon"),
4495 mon_init_func, NULL, NULL)) {
4496 exit(1);
4497 }
4498
4499 if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
4500 exit(1);
4501 if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
4502 exit(1);
4503 if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
4504 exit(1);
4505 if (foreach_device_config(DEV_SCLP, sclp_parse) < 0) {
4506 exit(1);
4507 }
4508 if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
4509 exit(1);
4510
4511 /* If no default VGA is requested, the default is "none". */
4512 if (default_vga) {
4513 if (machine_class->default_display) {
4514 vga_model = machine_class->default_display;
4515 } else if (vga_interface_available(VGA_CIRRUS)) {
4516 vga_model = "cirrus";
4517 } else if (vga_interface_available(VGA_STD)) {
4518 vga_model = "std";
4519 }
4520 }
4521 if (vga_model) {
4522 select_vgahw(vga_model);
4523 }
4524
4525 if (watchdog) {
4526 i = select_watchdog(watchdog);
4527 if (i > 0)
4528 exit (i == 1 ? 1 : 0);
4529 }
4530
4531 machine_register_compat_props(current_machine);
4532
4533 qemu_opts_foreach(qemu_find_opts("global"),
4534 global_init_func, NULL, NULL);
4535
4536 /* This checkpoint is required by replay to separate prior clock
4537 reading from the other reads, because timer polling functions query
4538 clock values from the log. */
4539 replay_checkpoint(CHECKPOINT_INIT);
4540 qdev_machine_init();
4541
4542 current_machine->ram_size = ram_size;
4543 current_machine->maxram_size = maxram_size;
4544 current_machine->ram_slots = ram_slots;
4545 current_machine->boot_order = boot_order;
4546 current_machine->cpu_model = cpu_model;
4547
4548 machine_class->init(current_machine);
4549
4550 realtime_init();
4551
4552 audio_init();
4553
4554 cpu_synchronize_all_post_init();
4555
4556 numa_post_machine_init();
4557
4558 if (qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4559 parse_fw_cfg, fw_cfg_find(), NULL) != 0) {
4560 exit(1);
4561 }
4562
4563 /* init USB devices */
4564 if (machine_usb(current_machine)) {
4565 if (foreach_device_config(DEV_USB, usb_parse) < 0)
4566 exit(1);
4567 }
4568
4569 /* Check if IGD GFX passthrough. */
4570 igd_gfx_passthru();
4571
4572 /* init generic devices */
4573 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE);
4574 if (qemu_opts_foreach(qemu_find_opts("device"),
4575 device_init_func, NULL, NULL)) {
4576 exit(1);
4577 }
4578 rom_reset_order_override();
4579
4580 /* Did we create any drives that we failed to create a device for? */
4581 drive_check_orphaned();
4582
4583 /* Don't warn about the default network setup that you get if
4584 * no command line -net or -netdev options are specified. There
4585 * are two cases that we would otherwise complain about:
4586 * (1) board doesn't support a NIC but the implicit "-net nic"
4587 * requested one
4588 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4589 * sets up a nic that isn't connected to anything.
4590 */
4591 if (!default_net) {
4592 net_check_clients();
4593 }
4594
4595
4596 if (boot_once) {
4597 qemu_boot_set(boot_once, &error_fatal);
4598 qemu_register_reset(restore_boot_order, g_strdup(boot_order));
4599 }
4600
4601 ds = init_displaystate();
4602
4603 /* init local displays */
4604 switch (display_type) {
4605 case DT_CURSES:
4606 curses_display_init(ds, full_screen);
4607 break;
4608 case DT_SDL:
4609 sdl_display_init(ds, full_screen, no_frame);
4610 break;
4611 case DT_COCOA:
4612 cocoa_display_init(ds, full_screen);
4613 break;
4614 case DT_GTK:
4615 gtk_display_init(ds, full_screen, grab_on_hover);
4616 break;
4617 default:
4618 break;
4619 }
4620
4621 /* must be after terminal init, SDL library changes signal handlers */
4622 os_setup_signal_handling();
4623
4624 /* init remote displays */
4625 #ifdef CONFIG_VNC
4626 qemu_opts_foreach(qemu_find_opts("vnc"),
4627 vnc_init_func, NULL, NULL);
4628 #endif
4629
4630 if (using_spice) {
4631 qemu_spice_display_init();
4632 }
4633
4634 if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
4635 exit(1);
4636 }
4637
4638 qdev_machine_creation_done();
4639
4640 /* TODO: once all bus devices are qdevified, this should be done
4641 * when bus is created by qdev.c */
4642 qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
4643 qemu_run_machine_init_done_notifiers();
4644
4645 if (rom_check_and_register_reset() != 0) {
4646 error_report("rom check and register reset failed");
4647 exit(1);
4648 }
4649
4650 replay_start();
4651
4652 /* This checkpoint is required by replay to separate prior clock
4653 reading from the other reads, because timer polling functions query
4654 clock values from the log. */
4655 replay_checkpoint(CHECKPOINT_RESET);
4656 qemu_system_reset(VMRESET_SILENT);
4657 register_global_state();
4658 if (loadvm) {
4659 if (load_vmstate(loadvm) < 0) {
4660 autostart = 0;
4661 }
4662 }
4663
4664 qdev_prop_check_globals();
4665 if (vmstate_dump_file) {
4666 /* dump and exit */
4667 dump_vmstate_json_to_file(vmstate_dump_file);
4668 return 0;
4669 }
4670
4671 if (incoming) {
4672 Error *local_err = NULL;
4673 qemu_start_incoming_migration(incoming, &local_err);
4674 if (local_err) {
4675 error_reportf_err(local_err, "-incoming %s: ", incoming);
4676 exit(1);
4677 }
4678 } else if (autostart) {
4679 vm_start();
4680 }
4681
4682 os_setup_post();
4683
4684 main_loop();
4685 replay_disable_events();
4686 iothread_stop_all();
4687
4688 bdrv_close_all();
4689 pause_all_vcpus();
4690 res_free();
4691
4692 /* vhost-user must be cleaned up before chardevs. */
4693 net_cleanup();
4694 audio_cleanup();
4695 monitor_cleanup();
4696 qemu_chr_cleanup();
4697
4698 return 0;
4699 }
Random patches