block: User BdrvChild callback for device name
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include "qemu/osdep.h"
25 #include "qemu/cutils.h"
26 #include "qemu/help_option.h"
27
28 #ifdef CONFIG_SECCOMP
29 #include "sysemu/seccomp.h"
30 #endif
31
32 #if defined(CONFIG_VDE)
33 #include <libvdeplug.h>
34 #endif
35
36 #ifdef CONFIG_SDL
37 #if defined(__APPLE__) || defined(main)
38 #include <SDL.h>
39 int qemu_main(int argc, char **argv, char **envp);
40 int main(int argc, char **argv)
41 {
42 return qemu_main(argc, argv, NULL);
43 }
44 #undef main
45 #define main qemu_main
46 #endif
47 #endif /* CONFIG_SDL */
48
49 #ifdef CONFIG_COCOA
50 #undef main
51 #define main qemu_main
52 #endif /* CONFIG_COCOA */
53
54 #include <glib.h>
55
56 #include "qemu/error-report.h"
57 #include "qemu/sockets.h"
58 #include "hw/hw.h"
59 #include "hw/boards.h"
60 #include "sysemu/accel.h"
61 #include "hw/usb.h"
62 #include "hw/i386/pc.h"
63 #include "hw/isa/isa.h"
64 #include "hw/bt.h"
65 #include "sysemu/watchdog.h"
66 #include "hw/smbios/smbios.h"
67 #include "hw/xen/xen.h"
68 #include "hw/qdev.h"
69 #include "hw/loader.h"
70 #include "monitor/qdev.h"
71 #include "sysemu/bt.h"
72 #include "net/net.h"
73 #include "net/slirp.h"
74 #include "monitor/monitor.h"
75 #include "ui/console.h"
76 #include "ui/input.h"
77 #include "sysemu/sysemu.h"
78 #include "sysemu/numa.h"
79 #include "exec/gdbstub.h"
80 #include "qemu/timer.h"
81 #include "sysemu/char.h"
82 #include "qemu/bitmap.h"
83 #include "sysemu/blockdev.h"
84 #include "hw/block/block.h"
85 #include "migration/block.h"
86 #include "sysemu/tpm.h"
87 #include "sysemu/dma.h"
88 #include "audio/audio.h"
89 #include "migration/migration.h"
90 #include "sysemu/kvm.h"
91 #include "qapi/qmp/qjson.h"
92 #include "qemu/option.h"
93 #include "qemu/config-file.h"
94 #include "qemu-options.h"
95 #include "qmp-commands.h"
96 #include "qemu/main-loop.h"
97 #ifdef CONFIG_VIRTFS
98 #include "fsdev/qemu-fsdev.h"
99 #endif
100 #include "sysemu/qtest.h"
101
102 #include "disas/disas.h"
103
104
105 #include "slirp/libslirp.h"
106
107 #include "trace.h"
108 #include "trace/control.h"
109 #include "qemu/queue.h"
110 #include "sysemu/cpus.h"
111 #include "sysemu/arch_init.h"
112
113 #include "ui/qemu-spice.h"
114 #include "qapi/string-input-visitor.h"
115 #include "qapi/opts-visitor.h"
116 #include "qom/object_interfaces.h"
117 #include "qapi-event.h"
118 #include "exec/semihost.h"
119 #include "crypto/init.h"
120 #include "sysemu/replay.h"
121 #include "qapi/qmp/qerror.h"
122
123 #define MAX_VIRTIO_CONSOLES 1
124 #define MAX_SCLP_CONSOLES 1
125
126 static const char *data_dir[16];
127 static int data_dir_idx;
128 const char *bios_name = NULL;
129 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
130 DisplayType display_type = DT_DEFAULT;
131 int request_opengl = -1;
132 int display_opengl;
133 static int display_remote;
134 const char* keyboard_layout = NULL;
135 ram_addr_t ram_size;
136 const char *mem_path = NULL;
137 int mem_prealloc = 0; /* force preallocation of physical target memory */
138 bool enable_mlock = false;
139 int nb_nics;
140 NICInfo nd_table[MAX_NICS];
141 int autostart;
142 static int rtc_utc = 1;
143 static int rtc_date_offset = -1; /* -1 means no change */
144 QEMUClockType rtc_clock;
145 int vga_interface_type = VGA_NONE;
146 static int full_screen = 0;
147 static int no_frame = 0;
148 int no_quit = 0;
149 #ifdef CONFIG_GTK
150 static bool grab_on_hover;
151 #endif
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 = 0;
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 uint8_t qemu_uuid[16];
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
213 static struct {
214 const char *driver;
215 int *flag;
216 } default_list[] = {
217 { .driver = "isa-serial", .flag = &default_serial },
218 { .driver = "isa-parallel", .flag = &default_parallel },
219 { .driver = "isa-fdc", .flag = &default_floppy },
220 { .driver = "ide-cd", .flag = &default_cdrom },
221 { .driver = "ide-hd", .flag = &default_cdrom },
222 { .driver = "ide-drive", .flag = &default_cdrom },
223 { .driver = "scsi-cd", .flag = &default_cdrom },
224 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
225 { .driver = "virtio-serial", .flag = &default_virtcon },
226 { .driver = "VGA", .flag = &default_vga },
227 { .driver = "isa-vga", .flag = &default_vga },
228 { .driver = "cirrus-vga", .flag = &default_vga },
229 { .driver = "isa-cirrus-vga", .flag = &default_vga },
230 { .driver = "vmware-svga", .flag = &default_vga },
231 { .driver = "qxl-vga", .flag = &default_vga },
232 { .driver = "virtio-vga", .flag = &default_vga },
233 };
234
235 static QemuOptsList qemu_rtc_opts = {
236 .name = "rtc",
237 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
238 .desc = {
239 {
240 .name = "base",
241 .type = QEMU_OPT_STRING,
242 },{
243 .name = "clock",
244 .type = QEMU_OPT_STRING,
245 },{
246 .name = "driftfix",
247 .type = QEMU_OPT_STRING,
248 },
249 { /* end of list */ }
250 },
251 };
252
253 static QemuOptsList qemu_sandbox_opts = {
254 .name = "sandbox",
255 .implied_opt_name = "enable",
256 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
257 .desc = {
258 {
259 .name = "enable",
260 .type = QEMU_OPT_BOOL,
261 },
262 { /* end of list */ }
263 },
264 };
265
266 static QemuOptsList qemu_trace_opts = {
267 .name = "trace",
268 .implied_opt_name = "enable",
269 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
270 .desc = {
271 {
272 .name = "enable",
273 .type = QEMU_OPT_STRING,
274 },
275 {
276 .name = "events",
277 .type = QEMU_OPT_STRING,
278 },{
279 .name = "file",
280 .type = QEMU_OPT_STRING,
281 },
282 { /* end of list */ }
283 },
284 };
285
286 static QemuOptsList qemu_option_rom_opts = {
287 .name = "option-rom",
288 .implied_opt_name = "romfile",
289 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
290 .desc = {
291 {
292 .name = "bootindex",
293 .type = QEMU_OPT_NUMBER,
294 }, {
295 .name = "romfile",
296 .type = QEMU_OPT_STRING,
297 },
298 { /* end of list */ }
299 },
300 };
301
302 static QemuOptsList qemu_machine_opts = {
303 .name = "machine",
304 .implied_opt_name = "type",
305 .merge_lists = true,
306 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
307 .desc = {
308 /*
309 * no elements => accept any
310 * sanity checking will happen later
311 * when setting machine properties
312 */
313 { }
314 },
315 };
316
317 static QemuOptsList qemu_boot_opts = {
318 .name = "boot-opts",
319 .implied_opt_name = "order",
320 .merge_lists = true,
321 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
322 .desc = {
323 {
324 .name = "order",
325 .type = QEMU_OPT_STRING,
326 }, {
327 .name = "once",
328 .type = QEMU_OPT_STRING,
329 }, {
330 .name = "menu",
331 .type = QEMU_OPT_BOOL,
332 }, {
333 .name = "splash",
334 .type = QEMU_OPT_STRING,
335 }, {
336 .name = "splash-time",
337 .type = QEMU_OPT_STRING,
338 }, {
339 .name = "reboot-timeout",
340 .type = QEMU_OPT_STRING,
341 }, {
342 .name = "strict",
343 .type = QEMU_OPT_BOOL,
344 },
345 { /*End of list */ }
346 },
347 };
348
349 static QemuOptsList qemu_add_fd_opts = {
350 .name = "add-fd",
351 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
352 .desc = {
353 {
354 .name = "fd",
355 .type = QEMU_OPT_NUMBER,
356 .help = "file descriptor of which a duplicate is added to fd set",
357 },{
358 .name = "set",
359 .type = QEMU_OPT_NUMBER,
360 .help = "ID of the fd set to add fd to",
361 },{
362 .name = "opaque",
363 .type = QEMU_OPT_STRING,
364 .help = "free-form string used to describe fd",
365 },
366 { /* end of list */ }
367 },
368 };
369
370 static QemuOptsList qemu_object_opts = {
371 .name = "object",
372 .implied_opt_name = "qom-type",
373 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
374 .desc = {
375 { }
376 },
377 };
378
379 static QemuOptsList qemu_tpmdev_opts = {
380 .name = "tpmdev",
381 .implied_opt_name = "type",
382 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
383 .desc = {
384 /* options are defined in the TPM backends */
385 { /* end of list */ }
386 },
387 };
388
389 static QemuOptsList qemu_realtime_opts = {
390 .name = "realtime",
391 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
392 .desc = {
393 {
394 .name = "mlock",
395 .type = QEMU_OPT_BOOL,
396 },
397 { /* end of list */ }
398 },
399 };
400
401 static QemuOptsList qemu_msg_opts = {
402 .name = "msg",
403 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
404 .desc = {
405 {
406 .name = "timestamp",
407 .type = QEMU_OPT_BOOL,
408 },
409 { /* end of list */ }
410 },
411 };
412
413 static QemuOptsList qemu_name_opts = {
414 .name = "name",
415 .implied_opt_name = "guest",
416 .merge_lists = true,
417 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
418 .desc = {
419 {
420 .name = "guest",
421 .type = QEMU_OPT_STRING,
422 .help = "Sets the name of the guest.\n"
423 "This name will be displayed in the SDL window caption.\n"
424 "The name will also be used for the VNC server",
425 }, {
426 .name = "process",
427 .type = QEMU_OPT_STRING,
428 .help = "Sets the name of the QEMU process, as shown in top etc",
429 }, {
430 .name = "debug-threads",
431 .type = QEMU_OPT_BOOL,
432 .help = "When enabled, name the individual threads; defaults off.\n"
433 "NOTE: The thread names are for debugging and not a\n"
434 "stable API.",
435 },
436 { /* End of list */ }
437 },
438 };
439
440 static QemuOptsList qemu_mem_opts = {
441 .name = "memory",
442 .implied_opt_name = "size",
443 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
444 .merge_lists = true,
445 .desc = {
446 {
447 .name = "size",
448 .type = QEMU_OPT_SIZE,
449 },
450 {
451 .name = "slots",
452 .type = QEMU_OPT_NUMBER,
453 },
454 {
455 .name = "maxmem",
456 .type = QEMU_OPT_SIZE,
457 },
458 { /* end of list */ }
459 },
460 };
461
462 static QemuOptsList qemu_icount_opts = {
463 .name = "icount",
464 .implied_opt_name = "shift",
465 .merge_lists = true,
466 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
467 .desc = {
468 {
469 .name = "shift",
470 .type = QEMU_OPT_STRING,
471 }, {
472 .name = "align",
473 .type = QEMU_OPT_BOOL,
474 }, {
475 .name = "sleep",
476 .type = QEMU_OPT_BOOL,
477 }, {
478 .name = "rr",
479 .type = QEMU_OPT_STRING,
480 }, {
481 .name = "rrfile",
482 .type = QEMU_OPT_STRING,
483 },
484 { /* end of list */ }
485 },
486 };
487
488 static QemuOptsList qemu_semihosting_config_opts = {
489 .name = "semihosting-config",
490 .implied_opt_name = "enable",
491 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
492 .desc = {
493 {
494 .name = "enable",
495 .type = QEMU_OPT_BOOL,
496 }, {
497 .name = "target",
498 .type = QEMU_OPT_STRING,
499 }, {
500 .name = "arg",
501 .type = QEMU_OPT_STRING,
502 },
503 { /* end of list */ }
504 },
505 };
506
507 static QemuOptsList qemu_fw_cfg_opts = {
508 .name = "fw_cfg",
509 .implied_opt_name = "name",
510 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
511 .desc = {
512 {
513 .name = "name",
514 .type = QEMU_OPT_STRING,
515 .help = "Sets the fw_cfg name of the blob to be inserted",
516 }, {
517 .name = "file",
518 .type = QEMU_OPT_STRING,
519 .help = "Sets the name of the file from which\n"
520 "the fw_cfg blob will be loaded",
521 }, {
522 .name = "string",
523 .type = QEMU_OPT_STRING,
524 .help = "Sets content of the blob to be inserted from a string",
525 },
526 { /* end of list */ }
527 },
528 };
529
530 /**
531 * Get machine options
532 *
533 * Returns: machine options (never null).
534 */
535 QemuOpts *qemu_get_machine_opts(void)
536 {
537 return qemu_find_opts_singleton("machine");
538 }
539
540 const char *qemu_get_vm_name(void)
541 {
542 return qemu_name;
543 }
544
545 static void res_free(void)
546 {
547 g_free(boot_splash_filedata);
548 boot_splash_filedata = NULL;
549 }
550
551 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
552 {
553 const char *driver = qemu_opt_get(opts, "driver");
554 int i;
555
556 if (!driver)
557 return 0;
558 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
559 if (strcmp(default_list[i].driver, driver) != 0)
560 continue;
561 *(default_list[i].flag) = 0;
562 }
563 return 0;
564 }
565
566 /***********************************************************/
567 /* QEMU state */
568
569 static RunState current_run_state = RUN_STATE_PRELAUNCH;
570
571 /* We use RUN_STATE__MAX but any invalid value will do */
572 static RunState vmstop_requested = RUN_STATE__MAX;
573 static QemuMutex vmstop_lock;
574
575 typedef struct {
576 RunState from;
577 RunState to;
578 } RunStateTransition;
579
580 static const RunStateTransition runstate_transitions_def[] = {
581 /* from -> to */
582 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
583 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
584 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
585
586 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
587 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
588 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
589 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
590 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
591 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
593 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
594 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
595 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
596 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
597
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
599 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
600 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
601
602 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
603 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
604 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
605
606 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
607 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
608 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
609
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
611 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
612 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
613
614 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
615 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
616 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
617
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
619 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
620 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
621
622 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
623 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
624
625 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
626 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
627 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
628 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
629 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
630 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
631 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
632 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
633 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
634 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
635
636 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
637
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
639 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
640 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
641
642 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
643 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
644 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
645 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
646 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
647
648 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
649 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
650 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
651
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
653 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
654 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
655
656 { RUN_STATE__MAX, RUN_STATE__MAX },
657 };
658
659 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
660
661 bool runstate_check(RunState state)
662 {
663 return current_run_state == state;
664 }
665
666 bool runstate_store(char *str, size_t size)
667 {
668 const char *state = RunState_lookup[current_run_state];
669 size_t len = strlen(state) + 1;
670
671 if (len > size) {
672 return false;
673 }
674 memcpy(str, state, len);
675 return true;
676 }
677
678 static void runstate_init(void)
679 {
680 const RunStateTransition *p;
681
682 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
683 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
684 runstate_valid_transitions[p->from][p->to] = true;
685 }
686
687 qemu_mutex_init(&vmstop_lock);
688 }
689
690 /* This function will abort() on invalid state transitions */
691 void runstate_set(RunState new_state)
692 {
693 assert(new_state < RUN_STATE__MAX);
694
695 if (!runstate_valid_transitions[current_run_state][new_state]) {
696 error_report("invalid runstate transition: '%s' -> '%s'",
697 RunState_lookup[current_run_state],
698 RunState_lookup[new_state]);
699 abort();
700 }
701 trace_runstate_set(new_state);
702 current_run_state = new_state;
703 }
704
705 int runstate_is_running(void)
706 {
707 return runstate_check(RUN_STATE_RUNNING);
708 }
709
710 bool runstate_needs_reset(void)
711 {
712 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
713 runstate_check(RUN_STATE_SHUTDOWN);
714 }
715
716 StatusInfo *qmp_query_status(Error **errp)
717 {
718 StatusInfo *info = g_malloc0(sizeof(*info));
719
720 info->running = runstate_is_running();
721 info->singlestep = singlestep;
722 info->status = current_run_state;
723
724 return info;
725 }
726
727 static bool qemu_vmstop_requested(RunState *r)
728 {
729 qemu_mutex_lock(&vmstop_lock);
730 *r = vmstop_requested;
731 vmstop_requested = RUN_STATE__MAX;
732 qemu_mutex_unlock(&vmstop_lock);
733 return *r < RUN_STATE__MAX;
734 }
735
736 void qemu_system_vmstop_request_prepare(void)
737 {
738 qemu_mutex_lock(&vmstop_lock);
739 }
740
741 void qemu_system_vmstop_request(RunState state)
742 {
743 vmstop_requested = state;
744 qemu_mutex_unlock(&vmstop_lock);
745 qemu_notify_event();
746 }
747
748 void vm_start(void)
749 {
750 RunState requested;
751
752 qemu_vmstop_requested(&requested);
753 if (runstate_is_running() && requested == RUN_STATE__MAX) {
754 return;
755 }
756
757 /* Ensure that a STOP/RESUME pair of events is emitted if a
758 * vmstop request was pending. The BLOCK_IO_ERROR event, for
759 * example, according to documentation is always followed by
760 * the STOP event.
761 */
762 if (runstate_is_running()) {
763 qapi_event_send_stop(&error_abort);
764 } else {
765 cpu_enable_ticks();
766 runstate_set(RUN_STATE_RUNNING);
767 vm_state_notify(1, RUN_STATE_RUNNING);
768 resume_all_vcpus();
769 }
770
771 qapi_event_send_resume(&error_abort);
772 }
773
774
775 /***********************************************************/
776 /* real time host monotonic timer */
777
778 static time_t qemu_time(void)
779 {
780 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
781 }
782
783 /***********************************************************/
784 /* host time/date access */
785 void qemu_get_timedate(struct tm *tm, int offset)
786 {
787 time_t ti = qemu_time();
788
789 ti += offset;
790 if (rtc_date_offset == -1) {
791 if (rtc_utc)
792 gmtime_r(&ti, tm);
793 else
794 localtime_r(&ti, tm);
795 } else {
796 ti -= rtc_date_offset;
797 gmtime_r(&ti, tm);
798 }
799 }
800
801 int qemu_timedate_diff(struct tm *tm)
802 {
803 time_t seconds;
804
805 if (rtc_date_offset == -1)
806 if (rtc_utc)
807 seconds = mktimegm(tm);
808 else {
809 struct tm tmp = *tm;
810 tmp.tm_isdst = -1; /* use timezone to figure it out */
811 seconds = mktime(&tmp);
812 }
813 else
814 seconds = mktimegm(tm) + rtc_date_offset;
815
816 return seconds - qemu_time();
817 }
818
819 static void configure_rtc_date_offset(const char *startdate, int legacy)
820 {
821 time_t rtc_start_date;
822 struct tm tm;
823
824 if (!strcmp(startdate, "now") && legacy) {
825 rtc_date_offset = -1;
826 } else {
827 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
828 &tm.tm_year,
829 &tm.tm_mon,
830 &tm.tm_mday,
831 &tm.tm_hour,
832 &tm.tm_min,
833 &tm.tm_sec) == 6) {
834 /* OK */
835 } else if (sscanf(startdate, "%d-%d-%d",
836 &tm.tm_year,
837 &tm.tm_mon,
838 &tm.tm_mday) == 3) {
839 tm.tm_hour = 0;
840 tm.tm_min = 0;
841 tm.tm_sec = 0;
842 } else {
843 goto date_fail;
844 }
845 tm.tm_year -= 1900;
846 tm.tm_mon--;
847 rtc_start_date = mktimegm(&tm);
848 if (rtc_start_date == -1) {
849 date_fail:
850 error_report("invalid date format");
851 error_printf("valid formats: "
852 "'2006-06-17T16:01:21' or '2006-06-17'\n");
853 exit(1);
854 }
855 rtc_date_offset = qemu_time() - rtc_start_date;
856 }
857 }
858
859 static void configure_rtc(QemuOpts *opts)
860 {
861 const char *value;
862
863 value = qemu_opt_get(opts, "base");
864 if (value) {
865 if (!strcmp(value, "utc")) {
866 rtc_utc = 1;
867 } else if (!strcmp(value, "localtime")) {
868 Error *blocker = NULL;
869 rtc_utc = 0;
870 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
871 "-rtc base=localtime");
872 replay_add_blocker(blocker);
873 } else {
874 configure_rtc_date_offset(value, 0);
875 }
876 }
877 value = qemu_opt_get(opts, "clock");
878 if (value) {
879 if (!strcmp(value, "host")) {
880 rtc_clock = QEMU_CLOCK_HOST;
881 } else if (!strcmp(value, "rt")) {
882 rtc_clock = QEMU_CLOCK_REALTIME;
883 } else if (!strcmp(value, "vm")) {
884 rtc_clock = QEMU_CLOCK_VIRTUAL;
885 } else {
886 error_report("invalid option value '%s'", value);
887 exit(1);
888 }
889 }
890 value = qemu_opt_get(opts, "driftfix");
891 if (value) {
892 if (!strcmp(value, "slew")) {
893 static GlobalProperty slew_lost_ticks[] = {
894 {
895 .driver = "mc146818rtc",
896 .property = "lost_tick_policy",
897 .value = "slew",
898 },
899 { /* end of list */ }
900 };
901
902 qdev_prop_register_global_list(slew_lost_ticks);
903 } else if (!strcmp(value, "none")) {
904 /* discard is default */
905 } else {
906 error_report("invalid option value '%s'", value);
907 exit(1);
908 }
909 }
910 }
911
912 /***********************************************************/
913 /* Bluetooth support */
914 static int nb_hcis;
915 static int cur_hci;
916 static struct HCIInfo *hci_table[MAX_NICS];
917
918 struct HCIInfo *qemu_next_hci(void)
919 {
920 if (cur_hci == nb_hcis)
921 return &null_hci;
922
923 return hci_table[cur_hci++];
924 }
925
926 static int bt_hci_parse(const char *str)
927 {
928 struct HCIInfo *hci;
929 bdaddr_t bdaddr;
930
931 if (nb_hcis >= MAX_NICS) {
932 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
933 return -1;
934 }
935
936 hci = hci_init(str);
937 if (!hci)
938 return -1;
939
940 bdaddr.b[0] = 0x52;
941 bdaddr.b[1] = 0x54;
942 bdaddr.b[2] = 0x00;
943 bdaddr.b[3] = 0x12;
944 bdaddr.b[4] = 0x34;
945 bdaddr.b[5] = 0x56 + nb_hcis;
946 hci->bdaddr_set(hci, bdaddr.b);
947
948 hci_table[nb_hcis++] = hci;
949
950 return 0;
951 }
952
953 static void bt_vhci_add(int vlan_id)
954 {
955 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
956
957 if (!vlan->slave)
958 error_report("warning: adding a VHCI to an empty scatternet %i",
959 vlan_id);
960
961 bt_vhci_init(bt_new_hci(vlan));
962 }
963
964 static struct bt_device_s *bt_device_add(const char *opt)
965 {
966 struct bt_scatternet_s *vlan;
967 int vlan_id = 0;
968 char *endp = strstr(opt, ",vlan=");
969 int len = (endp ? endp - opt : strlen(opt)) + 1;
970 char devname[10];
971
972 pstrcpy(devname, MIN(sizeof(devname), len), opt);
973
974 if (endp) {
975 vlan_id = strtol(endp + 6, &endp, 0);
976 if (*endp) {
977 error_report("unrecognised bluetooth vlan Id");
978 return 0;
979 }
980 }
981
982 vlan = qemu_find_bt_vlan(vlan_id);
983
984 if (!vlan->slave)
985 error_report("warning: adding a slave device to an empty scatternet %i",
986 vlan_id);
987
988 if (!strcmp(devname, "keyboard"))
989 return bt_keyboard_init(vlan);
990
991 error_report("unsupported bluetooth device '%s'", devname);
992 return 0;
993 }
994
995 static int bt_parse(const char *opt)
996 {
997 const char *endp, *p;
998 int vlan;
999
1000 if (strstart(opt, "hci", &endp)) {
1001 if (!*endp || *endp == ',') {
1002 if (*endp)
1003 if (!strstart(endp, ",vlan=", 0))
1004 opt = endp + 1;
1005
1006 return bt_hci_parse(opt);
1007 }
1008 } else if (strstart(opt, "vhci", &endp)) {
1009 if (!*endp || *endp == ',') {
1010 if (*endp) {
1011 if (strstart(endp, ",vlan=", &p)) {
1012 vlan = strtol(p, (char **) &endp, 0);
1013 if (*endp) {
1014 error_report("bad scatternet '%s'", p);
1015 return 1;
1016 }
1017 } else {
1018 error_report("bad parameter '%s'", endp + 1);
1019 return 1;
1020 }
1021 } else
1022 vlan = 0;
1023
1024 bt_vhci_add(vlan);
1025 return 0;
1026 }
1027 } else if (strstart(opt, "device:", &endp))
1028 return !bt_device_add(endp);
1029
1030 error_report("bad bluetooth parameter '%s'", opt);
1031 return 1;
1032 }
1033
1034 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1035 {
1036 /* FIXME: change this to true for 1.3 */
1037 if (qemu_opt_get_bool(opts, "enable", false)) {
1038 #ifdef CONFIG_SECCOMP
1039 if (seccomp_start() < 0) {
1040 error_report("failed to install seccomp syscall filter "
1041 "in the kernel");
1042 return -1;
1043 }
1044 #else
1045 error_report("seccomp support is disabled");
1046 return -1;
1047 #endif
1048 }
1049
1050 return 0;
1051 }
1052
1053 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1054 {
1055 const char *proc_name;
1056
1057 if (qemu_opt_get(opts, "debug-threads")) {
1058 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1059 }
1060 qemu_name = qemu_opt_get(opts, "guest");
1061
1062 proc_name = qemu_opt_get(opts, "process");
1063 if (proc_name) {
1064 os_set_proc_name(proc_name);
1065 }
1066
1067 return 0;
1068 }
1069
1070 bool defaults_enabled(void)
1071 {
1072 return has_defaults;
1073 }
1074
1075 bool usb_enabled(void)
1076 {
1077 return machine_usb(current_machine);
1078 }
1079
1080 #ifndef _WIN32
1081 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1082 {
1083 int fd, dupfd, flags;
1084 int64_t fdset_id;
1085 const char *fd_opaque = NULL;
1086 AddfdInfo *fdinfo;
1087
1088 fd = qemu_opt_get_number(opts, "fd", -1);
1089 fdset_id = qemu_opt_get_number(opts, "set", -1);
1090 fd_opaque = qemu_opt_get(opts, "opaque");
1091
1092 if (fd < 0) {
1093 error_report("fd option is required and must be non-negative");
1094 return -1;
1095 }
1096
1097 if (fd <= STDERR_FILENO) {
1098 error_report("fd cannot be a standard I/O stream");
1099 return -1;
1100 }
1101
1102 /*
1103 * All fds inherited across exec() necessarily have FD_CLOEXEC
1104 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1105 */
1106 flags = fcntl(fd, F_GETFD);
1107 if (flags == -1 || (flags & FD_CLOEXEC)) {
1108 error_report("fd is not valid or already in use");
1109 return -1;
1110 }
1111
1112 if (fdset_id < 0) {
1113 error_report("set option is required and must be non-negative");
1114 return -1;
1115 }
1116
1117 #ifdef F_DUPFD_CLOEXEC
1118 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1119 #else
1120 dupfd = dup(fd);
1121 if (dupfd != -1) {
1122 qemu_set_cloexec(dupfd);
1123 }
1124 #endif
1125 if (dupfd == -1) {
1126 error_report("error duplicating fd: %s", strerror(errno));
1127 return -1;
1128 }
1129
1130 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1131 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1132 &error_abort);
1133 g_free(fdinfo);
1134
1135 return 0;
1136 }
1137
1138 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1139 {
1140 int fd;
1141
1142 fd = qemu_opt_get_number(opts, "fd", -1);
1143 close(fd);
1144
1145 return 0;
1146 }
1147 #endif
1148
1149 /***********************************************************/
1150 /* QEMU Block devices */
1151
1152 #define HD_OPTS "media=disk"
1153 #define CDROM_OPTS "media=cdrom"
1154 #define FD_OPTS ""
1155 #define PFLASH_OPTS ""
1156 #define MTD_OPTS ""
1157 #define SD_OPTS ""
1158
1159 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1160 {
1161 BlockInterfaceType *block_default_type = opaque;
1162
1163 return drive_new(opts, *block_default_type) == NULL;
1164 }
1165
1166 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1167 {
1168 if (qemu_opt_get(opts, "snapshot") == NULL) {
1169 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1170 }
1171 return 0;
1172 }
1173
1174 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1175 int index, const char *optstr)
1176 {
1177 QemuOpts *opts;
1178 DriveInfo *dinfo;
1179
1180 if (!enable || drive_get_by_index(type, index)) {
1181 return;
1182 }
1183
1184 opts = drive_add(type, index, NULL, optstr);
1185 if (snapshot) {
1186 drive_enable_snapshot(NULL, opts, NULL);
1187 }
1188
1189 dinfo = drive_new(opts, type);
1190 if (!dinfo) {
1191 exit(1);
1192 }
1193 dinfo->is_default = true;
1194
1195 }
1196
1197 static QemuOptsList qemu_smp_opts = {
1198 .name = "smp-opts",
1199 .implied_opt_name = "cpus",
1200 .merge_lists = true,
1201 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1202 .desc = {
1203 {
1204 .name = "cpus",
1205 .type = QEMU_OPT_NUMBER,
1206 }, {
1207 .name = "sockets",
1208 .type = QEMU_OPT_NUMBER,
1209 }, {
1210 .name = "cores",
1211 .type = QEMU_OPT_NUMBER,
1212 }, {
1213 .name = "threads",
1214 .type = QEMU_OPT_NUMBER,
1215 }, {
1216 .name = "maxcpus",
1217 .type = QEMU_OPT_NUMBER,
1218 },
1219 { /*End of list */ }
1220 },
1221 };
1222
1223 static void smp_parse(QemuOpts *opts)
1224 {
1225 if (opts) {
1226
1227 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1228 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1229 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1230 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1231
1232 /* compute missing values, prefer sockets over cores over threads */
1233 if (cpus == 0 || sockets == 0) {
1234 sockets = sockets > 0 ? sockets : 1;
1235 cores = cores > 0 ? cores : 1;
1236 threads = threads > 0 ? threads : 1;
1237 if (cpus == 0) {
1238 cpus = cores * threads * sockets;
1239 }
1240 } else if (cores == 0) {
1241 threads = threads > 0 ? threads : 1;
1242 cores = cpus / (sockets * threads);
1243 } else if (threads == 0) {
1244 threads = cpus / (cores * sockets);
1245 } else if (sockets * cores * threads < cpus) {
1246 error_report("cpu topology: "
1247 "sockets (%u) * cores (%u) * threads (%u) < "
1248 "smp_cpus (%u)",
1249 sockets, cores, threads, cpus);
1250 exit(1);
1251 }
1252
1253 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1254 if (sockets * cores * threads > max_cpus) {
1255 error_report("cpu topology: "
1256 "sockets (%u) * cores (%u) * threads (%u) > "
1257 "maxcpus (%u)",
1258 sockets, cores, threads, max_cpus);
1259 exit(1);
1260 }
1261
1262 smp_cpus = cpus;
1263 smp_cores = cores > 0 ? cores : 1;
1264 smp_threads = threads > 0 ? threads : 1;
1265
1266 }
1267
1268 if (max_cpus == 0) {
1269 max_cpus = smp_cpus;
1270 }
1271
1272 if (max_cpus > MAX_CPUMASK_BITS) {
1273 error_report("unsupported number of maxcpus");
1274 exit(1);
1275 }
1276 if (max_cpus < smp_cpus) {
1277 error_report("maxcpus must be equal to or greater than smp");
1278 exit(1);
1279 }
1280
1281 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1282 Error *blocker = NULL;
1283 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1284 replay_add_blocker(blocker);
1285 }
1286 }
1287
1288 static void realtime_init(void)
1289 {
1290 if (enable_mlock) {
1291 if (os_mlock() < 0) {
1292 error_report("locking memory failed");
1293 exit(1);
1294 }
1295 }
1296 }
1297
1298
1299 static void configure_msg(QemuOpts *opts)
1300 {
1301 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1302 }
1303
1304 /***********************************************************/
1305 /* Semihosting */
1306
1307 typedef struct SemihostingConfig {
1308 bool enabled;
1309 SemihostingTarget target;
1310 const char **argv;
1311 int argc;
1312 const char *cmdline; /* concatenated argv */
1313 } SemihostingConfig;
1314
1315 static SemihostingConfig semihosting;
1316
1317 bool semihosting_enabled(void)
1318 {
1319 return semihosting.enabled;
1320 }
1321
1322 SemihostingTarget semihosting_get_target(void)
1323 {
1324 return semihosting.target;
1325 }
1326
1327 const char *semihosting_get_arg(int i)
1328 {
1329 if (i >= semihosting.argc) {
1330 return NULL;
1331 }
1332 return semihosting.argv[i];
1333 }
1334
1335 int semihosting_get_argc(void)
1336 {
1337 return semihosting.argc;
1338 }
1339
1340 const char *semihosting_get_cmdline(void)
1341 {
1342 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1343 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1344 }
1345 return semihosting.cmdline;
1346 }
1347
1348 static int add_semihosting_arg(void *opaque,
1349 const char *name, const char *val,
1350 Error **errp)
1351 {
1352 SemihostingConfig *s = opaque;
1353 if (strcmp(name, "arg") == 0) {
1354 s->argc++;
1355 /* one extra element as g_strjoinv() expects NULL-terminated array */
1356 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1357 s->argv[s->argc - 1] = val;
1358 s->argv[s->argc] = NULL;
1359 }
1360 return 0;
1361 }
1362
1363 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1364 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1365 {
1366 char *cmd_token;
1367
1368 /* argv[0] */
1369 add_semihosting_arg(&semihosting, "arg", file, NULL);
1370
1371 /* split -append and initialize argv[1..n] */
1372 cmd_token = strtok(g_strdup(cmd), " ");
1373 while (cmd_token) {
1374 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1375 cmd_token = strtok(NULL, " ");
1376 }
1377 }
1378
1379 /* Now we still need this for compatibility with XEN. */
1380 bool has_igd_gfx_passthru;
1381 static void igd_gfx_passthru(void)
1382 {
1383 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1384 }
1385
1386 /***********************************************************/
1387 /* USB devices */
1388
1389 static int usb_device_add(const char *devname)
1390 {
1391 USBDevice *dev = NULL;
1392 #ifndef CONFIG_LINUX
1393 const char *p;
1394 #endif
1395
1396 if (!usb_enabled()) {
1397 return -1;
1398 }
1399
1400 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1401 dev = usbdevice_create(devname);
1402 if (dev)
1403 goto done;
1404
1405 /* the other ones */
1406 #ifndef CONFIG_LINUX
1407 /* only the linux version is qdev-ified, usb-bsd still needs this */
1408 if (strstart(devname, "host:", &p)) {
1409 dev = usb_host_device_open(usb_bus_find(-1), p);
1410 }
1411 #endif
1412 if (!dev)
1413 return -1;
1414
1415 done:
1416 return 0;
1417 }
1418
1419 static int usb_device_del(const char *devname)
1420 {
1421 int bus_num, addr;
1422 const char *p;
1423
1424 if (strstart(devname, "host:", &p)) {
1425 return -1;
1426 }
1427
1428 if (!usb_enabled()) {
1429 return -1;
1430 }
1431
1432 p = strchr(devname, '.');
1433 if (!p)
1434 return -1;
1435 bus_num = strtoul(devname, NULL, 0);
1436 addr = strtoul(p + 1, NULL, 0);
1437
1438 return usb_device_delete_addr(bus_num, addr);
1439 }
1440
1441 static int usb_parse(const char *cmdline)
1442 {
1443 int r;
1444 r = usb_device_add(cmdline);
1445 if (r < 0) {
1446 error_report("could not add USB device '%s'", cmdline);
1447 }
1448 return r;
1449 }
1450
1451 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1452 {
1453 const char *devname = qdict_get_str(qdict, "devname");
1454 if (usb_device_add(devname) < 0) {
1455 error_report("could not add USB device '%s'", devname);
1456 }
1457 }
1458
1459 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1460 {
1461 const char *devname = qdict_get_str(qdict, "devname");
1462 if (usb_device_del(devname) < 0) {
1463 error_report("could not delete USB device '%s'", devname);
1464 }
1465 }
1466
1467 /***********************************************************/
1468 /* machine registration */
1469
1470 MachineState *current_machine;
1471
1472 static MachineClass *find_machine(const char *name)
1473 {
1474 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1475 MachineClass *mc = NULL;
1476
1477 for (el = machines; el; el = el->next) {
1478 MachineClass *temp = el->data;
1479
1480 if (!strcmp(temp->name, name)) {
1481 mc = temp;
1482 break;
1483 }
1484 if (temp->alias &&
1485 !strcmp(temp->alias, name)) {
1486 mc = temp;
1487 break;
1488 }
1489 }
1490
1491 g_slist_free(machines);
1492 return mc;
1493 }
1494
1495 MachineClass *find_default_machine(void)
1496 {
1497 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1498 MachineClass *mc = NULL;
1499
1500 for (el = machines; el; el = el->next) {
1501 MachineClass *temp = el->data;
1502
1503 if (temp->is_default) {
1504 mc = temp;
1505 break;
1506 }
1507 }
1508
1509 g_slist_free(machines);
1510 return mc;
1511 }
1512
1513 MachineInfoList *qmp_query_machines(Error **errp)
1514 {
1515 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1516 MachineInfoList *mach_list = NULL;
1517
1518 for (el = machines; el; el = el->next) {
1519 MachineClass *mc = el->data;
1520 MachineInfoList *entry;
1521 MachineInfo *info;
1522
1523 info = g_malloc0(sizeof(*info));
1524 if (mc->is_default) {
1525 info->has_is_default = true;
1526 info->is_default = true;
1527 }
1528
1529 if (mc->alias) {
1530 info->has_alias = true;
1531 info->alias = g_strdup(mc->alias);
1532 }
1533
1534 info->name = g_strdup(mc->name);
1535 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1536
1537 entry = g_malloc0(sizeof(*entry));
1538 entry->value = info;
1539 entry->next = mach_list;
1540 mach_list = entry;
1541 }
1542
1543 g_slist_free(machines);
1544 return mach_list;
1545 }
1546
1547 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1548 {
1549 ObjectProperty *prop;
1550 ObjectPropertyIterator iter;
1551
1552 if (!qemu_opt_has_help_opt(opts)) {
1553 return 0;
1554 }
1555
1556 object_property_iter_init(&iter, OBJECT(machine));
1557 while ((prop = object_property_iter_next(&iter))) {
1558 if (!prop->set) {
1559 continue;
1560 }
1561
1562 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1563 prop->name, prop->type);
1564 if (prop->description) {
1565 error_printf(" (%s)\n", prop->description);
1566 } else {
1567 error_printf("\n");
1568 }
1569 }
1570
1571 return 1;
1572 }
1573
1574 /***********************************************************/
1575 /* main execution loop */
1576
1577 struct vm_change_state_entry {
1578 VMChangeStateHandler *cb;
1579 void *opaque;
1580 QLIST_ENTRY (vm_change_state_entry) entries;
1581 };
1582
1583 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1584
1585 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1586 void *opaque)
1587 {
1588 VMChangeStateEntry *e;
1589
1590 e = g_malloc0(sizeof (*e));
1591
1592 e->cb = cb;
1593 e->opaque = opaque;
1594 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1595 return e;
1596 }
1597
1598 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1599 {
1600 QLIST_REMOVE (e, entries);
1601 g_free (e);
1602 }
1603
1604 void vm_state_notify(int running, RunState state)
1605 {
1606 VMChangeStateEntry *e, *next;
1607
1608 trace_vm_state_notify(running, state);
1609
1610 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1611 e->cb(e->opaque, running, state);
1612 }
1613 }
1614
1615 /* reset/shutdown handler */
1616
1617 typedef struct QEMUResetEntry {
1618 QTAILQ_ENTRY(QEMUResetEntry) entry;
1619 QEMUResetHandler *func;
1620 void *opaque;
1621 } QEMUResetEntry;
1622
1623 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1624 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1625 static int reset_requested;
1626 static int shutdown_requested, shutdown_signal = -1;
1627 static pid_t shutdown_pid;
1628 static int powerdown_requested;
1629 static int debug_requested;
1630 static int suspend_requested;
1631 static WakeupReason wakeup_reason;
1632 static NotifierList powerdown_notifiers =
1633 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1634 static NotifierList suspend_notifiers =
1635 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1636 static NotifierList wakeup_notifiers =
1637 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1638 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1639
1640 int qemu_shutdown_requested_get(void)
1641 {
1642 return shutdown_requested;
1643 }
1644
1645 int qemu_reset_requested_get(void)
1646 {
1647 return reset_requested;
1648 }
1649
1650 static int qemu_shutdown_requested(void)
1651 {
1652 return atomic_xchg(&shutdown_requested, 0);
1653 }
1654
1655 static void qemu_kill_report(void)
1656 {
1657 if (!qtest_driver() && shutdown_signal != -1) {
1658 if (shutdown_pid == 0) {
1659 /* This happens for eg ^C at the terminal, so it's worth
1660 * avoiding printing an odd message in that case.
1661 */
1662 error_report("terminating on signal %d", shutdown_signal);
1663 } else {
1664 error_report("terminating on signal %d from pid " FMT_pid,
1665 shutdown_signal, shutdown_pid);
1666 }
1667 shutdown_signal = -1;
1668 }
1669 }
1670
1671 static int qemu_reset_requested(void)
1672 {
1673 int r = reset_requested;
1674 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1675 reset_requested = 0;
1676 return r;
1677 }
1678 return false;
1679 }
1680
1681 static int qemu_suspend_requested(void)
1682 {
1683 int r = suspend_requested;
1684 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1685 suspend_requested = 0;
1686 return r;
1687 }
1688 return false;
1689 }
1690
1691 static WakeupReason qemu_wakeup_requested(void)
1692 {
1693 return wakeup_reason;
1694 }
1695
1696 static int qemu_powerdown_requested(void)
1697 {
1698 int r = powerdown_requested;
1699 powerdown_requested = 0;
1700 return r;
1701 }
1702
1703 static int qemu_debug_requested(void)
1704 {
1705 int r = debug_requested;
1706 debug_requested = 0;
1707 return r;
1708 }
1709
1710 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1711 {
1712 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1713
1714 re->func = func;
1715 re->opaque = opaque;
1716 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1717 }
1718
1719 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1720 {
1721 QEMUResetEntry *re;
1722
1723 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1724 if (re->func == func && re->opaque == opaque) {
1725 QTAILQ_REMOVE(&reset_handlers, re, entry);
1726 g_free(re);
1727 return;
1728 }
1729 }
1730 }
1731
1732 void qemu_devices_reset(void)
1733 {
1734 QEMUResetEntry *re, *nre;
1735
1736 /* reset all devices */
1737 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1738 re->func(re->opaque);
1739 }
1740 }
1741
1742 void qemu_system_reset(bool report)
1743 {
1744 MachineClass *mc;
1745
1746 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1747
1748 cpu_synchronize_all_states();
1749
1750 if (mc && mc->reset) {
1751 mc->reset();
1752 } else {
1753 qemu_devices_reset();
1754 }
1755 if (report) {
1756 qapi_event_send_reset(&error_abort);
1757 }
1758 cpu_synchronize_all_post_reset();
1759 }
1760
1761 void qemu_system_guest_panicked(void)
1762 {
1763 if (current_cpu) {
1764 current_cpu->crash_occurred = true;
1765 }
1766 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1767 vm_stop(RUN_STATE_GUEST_PANICKED);
1768 }
1769
1770 void qemu_system_reset_request(void)
1771 {
1772 if (no_reboot) {
1773 shutdown_requested = 1;
1774 } else {
1775 reset_requested = 1;
1776 }
1777 cpu_stop_current();
1778 qemu_notify_event();
1779 }
1780
1781 static void qemu_system_suspend(void)
1782 {
1783 pause_all_vcpus();
1784 notifier_list_notify(&suspend_notifiers, NULL);
1785 runstate_set(RUN_STATE_SUSPENDED);
1786 qapi_event_send_suspend(&error_abort);
1787 }
1788
1789 void qemu_system_suspend_request(void)
1790 {
1791 if (runstate_check(RUN_STATE_SUSPENDED)) {
1792 return;
1793 }
1794 suspend_requested = 1;
1795 cpu_stop_current();
1796 qemu_notify_event();
1797 }
1798
1799 void qemu_register_suspend_notifier(Notifier *notifier)
1800 {
1801 notifier_list_add(&suspend_notifiers, notifier);
1802 }
1803
1804 void qemu_system_wakeup_request(WakeupReason reason)
1805 {
1806 trace_system_wakeup_request(reason);
1807
1808 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1809 return;
1810 }
1811 if (!(wakeup_reason_mask & (1 << reason))) {
1812 return;
1813 }
1814 runstate_set(RUN_STATE_RUNNING);
1815 wakeup_reason = reason;
1816 qemu_notify_event();
1817 }
1818
1819 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1820 {
1821 if (enabled) {
1822 wakeup_reason_mask |= (1 << reason);
1823 } else {
1824 wakeup_reason_mask &= ~(1 << reason);
1825 }
1826 }
1827
1828 void qemu_register_wakeup_notifier(Notifier *notifier)
1829 {
1830 notifier_list_add(&wakeup_notifiers, notifier);
1831 }
1832
1833 void qemu_system_killed(int signal, pid_t pid)
1834 {
1835 shutdown_signal = signal;
1836 shutdown_pid = pid;
1837 no_shutdown = 0;
1838
1839 /* Cannot call qemu_system_shutdown_request directly because
1840 * we are in a signal handler.
1841 */
1842 shutdown_requested = 1;
1843 qemu_notify_event();
1844 }
1845
1846 void qemu_system_shutdown_request(void)
1847 {
1848 trace_qemu_system_shutdown_request();
1849 replay_shutdown_request();
1850 shutdown_requested = 1;
1851 qemu_notify_event();
1852 }
1853
1854 static void qemu_system_powerdown(void)
1855 {
1856 qapi_event_send_powerdown(&error_abort);
1857 notifier_list_notify(&powerdown_notifiers, NULL);
1858 }
1859
1860 void qemu_system_powerdown_request(void)
1861 {
1862 trace_qemu_system_powerdown_request();
1863 powerdown_requested = 1;
1864 qemu_notify_event();
1865 }
1866
1867 void qemu_register_powerdown_notifier(Notifier *notifier)
1868 {
1869 notifier_list_add(&powerdown_notifiers, notifier);
1870 }
1871
1872 void qemu_system_debug_request(void)
1873 {
1874 debug_requested = 1;
1875 qemu_notify_event();
1876 }
1877
1878 static bool main_loop_should_exit(void)
1879 {
1880 RunState r;
1881 if (qemu_debug_requested()) {
1882 vm_stop(RUN_STATE_DEBUG);
1883 }
1884 if (qemu_suspend_requested()) {
1885 qemu_system_suspend();
1886 }
1887 if (qemu_shutdown_requested()) {
1888 qemu_kill_report();
1889 qapi_event_send_shutdown(&error_abort);
1890 if (no_shutdown) {
1891 vm_stop(RUN_STATE_SHUTDOWN);
1892 } else {
1893 return true;
1894 }
1895 }
1896 if (qemu_reset_requested()) {
1897 pause_all_vcpus();
1898 qemu_system_reset(VMRESET_REPORT);
1899 resume_all_vcpus();
1900 if (!runstate_check(RUN_STATE_RUNNING) &&
1901 !runstate_check(RUN_STATE_INMIGRATE)) {
1902 runstate_set(RUN_STATE_PRELAUNCH);
1903 }
1904 }
1905 if (qemu_wakeup_requested()) {
1906 pause_all_vcpus();
1907 qemu_system_reset(VMRESET_SILENT);
1908 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1909 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1910 resume_all_vcpus();
1911 qapi_event_send_wakeup(&error_abort);
1912 }
1913 if (qemu_powerdown_requested()) {
1914 qemu_system_powerdown();
1915 }
1916 if (qemu_vmstop_requested(&r)) {
1917 vm_stop(r);
1918 }
1919 return false;
1920 }
1921
1922 static void main_loop(void)
1923 {
1924 bool nonblocking;
1925 int last_io = 0;
1926 #ifdef CONFIG_PROFILER
1927 int64_t ti;
1928 #endif
1929 do {
1930 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1931 #ifdef CONFIG_PROFILER
1932 ti = profile_getclock();
1933 #endif
1934 last_io = main_loop_wait(nonblocking);
1935 #ifdef CONFIG_PROFILER
1936 dev_time += profile_getclock() - ti;
1937 #endif
1938 } while (!main_loop_should_exit());
1939 }
1940
1941 static void version(void)
1942 {
1943 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1944 }
1945
1946 static void help(int exitcode)
1947 {
1948 version();
1949 printf("usage: %s [options] [disk_image]\n\n"
1950 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1951 error_get_progname());
1952
1953 #define QEMU_OPTIONS_GENERATE_HELP
1954 #include "qemu-options-wrapper.h"
1955
1956 printf("\nDuring emulation, the following keys are useful:\n"
1957 "ctrl-alt-f toggle full screen\n"
1958 "ctrl-alt-n switch to virtual console 'n'\n"
1959 "ctrl-alt toggle mouse and keyboard grab\n"
1960 "\n"
1961 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1962
1963 exit(exitcode);
1964 }
1965
1966 #define HAS_ARG 0x0001
1967
1968 typedef struct QEMUOption {
1969 const char *name;
1970 int flags;
1971 int index;
1972 uint32_t arch_mask;
1973 } QEMUOption;
1974
1975 static const QEMUOption qemu_options[] = {
1976 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1977 #define QEMU_OPTIONS_GENERATE_OPTIONS
1978 #include "qemu-options-wrapper.h"
1979 { NULL },
1980 };
1981
1982 static bool vga_available(void)
1983 {
1984 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1985 }
1986
1987 static bool cirrus_vga_available(void)
1988 {
1989 return object_class_by_name("cirrus-vga")
1990 || object_class_by_name("isa-cirrus-vga");
1991 }
1992
1993 static bool vmware_vga_available(void)
1994 {
1995 return object_class_by_name("vmware-svga");
1996 }
1997
1998 static bool qxl_vga_available(void)
1999 {
2000 return object_class_by_name("qxl-vga");
2001 }
2002
2003 static bool tcx_vga_available(void)
2004 {
2005 return object_class_by_name("SUNW,tcx");
2006 }
2007
2008 static bool cg3_vga_available(void)
2009 {
2010 return object_class_by_name("cgthree");
2011 }
2012
2013 static bool virtio_vga_available(void)
2014 {
2015 return object_class_by_name("virtio-vga");
2016 }
2017
2018 static void select_vgahw (const char *p)
2019 {
2020 const char *opts;
2021
2022 assert(vga_interface_type == VGA_NONE);
2023 if (strstart(p, "std", &opts)) {
2024 if (vga_available()) {
2025 vga_interface_type = VGA_STD;
2026 } else {
2027 error_report("standard VGA not available");
2028 exit(0);
2029 }
2030 } else if (strstart(p, "cirrus", &opts)) {
2031 if (cirrus_vga_available()) {
2032 vga_interface_type = VGA_CIRRUS;
2033 } else {
2034 error_report("Cirrus VGA not available");
2035 exit(0);
2036 }
2037 } else if (strstart(p, "vmware", &opts)) {
2038 if (vmware_vga_available()) {
2039 vga_interface_type = VGA_VMWARE;
2040 } else {
2041 error_report("VMWare SVGA not available");
2042 exit(0);
2043 }
2044 } else if (strstart(p, "virtio", &opts)) {
2045 if (virtio_vga_available()) {
2046 vga_interface_type = VGA_VIRTIO;
2047 } else {
2048 error_report("Virtio VGA not available");
2049 exit(0);
2050 }
2051 } else if (strstart(p, "xenfb", &opts)) {
2052 vga_interface_type = VGA_XENFB;
2053 } else if (strstart(p, "qxl", &opts)) {
2054 if (qxl_vga_available()) {
2055 vga_interface_type = VGA_QXL;
2056 } else {
2057 error_report("QXL VGA not available");
2058 exit(0);
2059 }
2060 } else if (strstart(p, "tcx", &opts)) {
2061 if (tcx_vga_available()) {
2062 vga_interface_type = VGA_TCX;
2063 } else {
2064 error_report("TCX framebuffer not available");
2065 exit(0);
2066 }
2067 } else if (strstart(p, "cg3", &opts)) {
2068 if (cg3_vga_available()) {
2069 vga_interface_type = VGA_CG3;
2070 } else {
2071 error_report("CG3 framebuffer not available");
2072 exit(0);
2073 }
2074 } else if (!strstart(p, "none", &opts)) {
2075 invalid_vga:
2076 error_report("unknown vga type: %s", p);
2077 exit(1);
2078 }
2079 while (*opts) {
2080 const char *nextopt;
2081
2082 if (strstart(opts, ",retrace=", &nextopt)) {
2083 opts = nextopt;
2084 if (strstart(opts, "dumb", &nextopt))
2085 vga_retrace_method = VGA_RETRACE_DUMB;
2086 else if (strstart(opts, "precise", &nextopt))
2087 vga_retrace_method = VGA_RETRACE_PRECISE;
2088 else goto invalid_vga;
2089 } else goto invalid_vga;
2090 opts = nextopt;
2091 }
2092 }
2093
2094 static DisplayType select_display(const char *p)
2095 {
2096 const char *opts;
2097 DisplayType display = DT_DEFAULT;
2098
2099 if (strstart(p, "sdl", &opts)) {
2100 #ifdef CONFIG_SDL
2101 display = DT_SDL;
2102 while (*opts) {
2103 const char *nextopt;
2104
2105 if (strstart(opts, ",frame=", &nextopt)) {
2106 opts = nextopt;
2107 if (strstart(opts, "on", &nextopt)) {
2108 no_frame = 0;
2109 } else if (strstart(opts, "off", &nextopt)) {
2110 no_frame = 1;
2111 } else {
2112 goto invalid_sdl_args;
2113 }
2114 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2115 opts = nextopt;
2116 if (strstart(opts, "on", &nextopt)) {
2117 alt_grab = 1;
2118 } else if (strstart(opts, "off", &nextopt)) {
2119 alt_grab = 0;
2120 } else {
2121 goto invalid_sdl_args;
2122 }
2123 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2124 opts = nextopt;
2125 if (strstart(opts, "on", &nextopt)) {
2126 ctrl_grab = 1;
2127 } else if (strstart(opts, "off", &nextopt)) {
2128 ctrl_grab = 0;
2129 } else {
2130 goto invalid_sdl_args;
2131 }
2132 } else if (strstart(opts, ",window_close=", &nextopt)) {
2133 opts = nextopt;
2134 if (strstart(opts, "on", &nextopt)) {
2135 no_quit = 0;
2136 } else if (strstart(opts, "off", &nextopt)) {
2137 no_quit = 1;
2138 } else {
2139 goto invalid_sdl_args;
2140 }
2141 } else if (strstart(opts, ",gl=", &nextopt)) {
2142 opts = nextopt;
2143 if (strstart(opts, "on", &nextopt)) {
2144 request_opengl = 1;
2145 } else if (strstart(opts, "off", &nextopt)) {
2146 request_opengl = 0;
2147 } else {
2148 goto invalid_sdl_args;
2149 }
2150 } else {
2151 invalid_sdl_args:
2152 error_report("invalid SDL option string");
2153 exit(1);
2154 }
2155 opts = nextopt;
2156 }
2157 #else
2158 error_report("SDL support is disabled");
2159 exit(1);
2160 #endif
2161 } else if (strstart(p, "vnc", &opts)) {
2162 #ifdef CONFIG_VNC
2163 if (*opts == '=') {
2164 Error *err = NULL;
2165 if (vnc_parse(opts + 1, &err) == NULL) {
2166 error_report_err(err);
2167 exit(1);
2168 }
2169 } else {
2170 error_report("VNC requires a display argument vnc=<display>");
2171 exit(1);
2172 }
2173 #else
2174 error_report("VNC support is disabled");
2175 exit(1);
2176 #endif
2177 } else if (strstart(p, "curses", &opts)) {
2178 #ifdef CONFIG_CURSES
2179 display = DT_CURSES;
2180 #else
2181 error_report("curses support is disabled");
2182 exit(1);
2183 #endif
2184 } else if (strstart(p, "gtk", &opts)) {
2185 #ifdef CONFIG_GTK
2186 display = DT_GTK;
2187 while (*opts) {
2188 const char *nextopt;
2189
2190 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2191 opts = nextopt;
2192 if (strstart(opts, "on", &nextopt)) {
2193 grab_on_hover = true;
2194 } else if (strstart(opts, "off", &nextopt)) {
2195 grab_on_hover = false;
2196 } else {
2197 goto invalid_gtk_args;
2198 }
2199 } else if (strstart(opts, ",gl=", &nextopt)) {
2200 opts = nextopt;
2201 if (strstart(opts, "on", &nextopt)) {
2202 request_opengl = 1;
2203 } else if (strstart(opts, "off", &nextopt)) {
2204 request_opengl = 0;
2205 } else {
2206 goto invalid_gtk_args;
2207 }
2208 } else {
2209 invalid_gtk_args:
2210 error_report("invalid GTK option string");
2211 exit(1);
2212 }
2213 opts = nextopt;
2214 }
2215 #else
2216 error_report("GTK support is disabled");
2217 exit(1);
2218 #endif
2219 } else if (strstart(p, "none", &opts)) {
2220 display = DT_NONE;
2221 } else {
2222 error_report("unknown display type");
2223 exit(1);
2224 }
2225
2226 return display;
2227 }
2228
2229 static int balloon_parse(const char *arg)
2230 {
2231 QemuOpts *opts;
2232
2233 if (strcmp(arg, "none") == 0) {
2234 return 0;
2235 }
2236
2237 if (!strncmp(arg, "virtio", 6)) {
2238 if (arg[6] == ',') {
2239 /* have params -> parse them */
2240 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2241 false);
2242 if (!opts)
2243 return -1;
2244 } else {
2245 /* create empty opts */
2246 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2247 &error_abort);
2248 }
2249 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2250 return 0;
2251 }
2252
2253 return -1;
2254 }
2255
2256 char *qemu_find_file(int type, const char *name)
2257 {
2258 int i;
2259 const char *subdir;
2260 char *buf;
2261
2262 /* Try the name as a straight path first */
2263 if (access(name, R_OK) == 0) {
2264 trace_load_file(name, name);
2265 return g_strdup(name);
2266 }
2267
2268 switch (type) {
2269 case QEMU_FILE_TYPE_BIOS:
2270 subdir = "";
2271 break;
2272 case QEMU_FILE_TYPE_KEYMAP:
2273 subdir = "keymaps/";
2274 break;
2275 default:
2276 abort();
2277 }
2278
2279 for (i = 0; i < data_dir_idx; i++) {
2280 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2281 if (access(buf, R_OK) == 0) {
2282 trace_load_file(name, buf);
2283 return buf;
2284 }
2285 g_free(buf);
2286 }
2287 return NULL;
2288 }
2289
2290 static inline bool nonempty_str(const char *str)
2291 {
2292 return str && *str;
2293 }
2294
2295 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2296 {
2297 gchar *buf;
2298 size_t size;
2299 const char *name, *file, *str;
2300 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2301
2302 if (fw_cfg == NULL) {
2303 error_report("fw_cfg device not available");
2304 return -1;
2305 }
2306 name = qemu_opt_get(opts, "name");
2307 file = qemu_opt_get(opts, "file");
2308 str = qemu_opt_get(opts, "string");
2309
2310 /* we need name and either a file or the content string */
2311 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2312 error_report("invalid argument(s)");
2313 return -1;
2314 }
2315 if (nonempty_str(file) && nonempty_str(str)) {
2316 error_report("file and string are mutually exclusive");
2317 return -1;
2318 }
2319 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2320 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2321 return -1;
2322 }
2323 if (strncmp(name, "opt/", 4) != 0) {
2324 error_report("warning: externally provided fw_cfg item names "
2325 "should be prefixed with \"opt/\"");
2326 }
2327 if (nonempty_str(str)) {
2328 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2329 buf = g_memdup(str, size);
2330 } else {
2331 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2332 error_report("can't load %s", file);
2333 return -1;
2334 }
2335 }
2336 /* For legacy, keep user files in a specific global order. */
2337 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2338 fw_cfg_add_file(fw_cfg, name, buf, size);
2339 fw_cfg_reset_order_override(fw_cfg);
2340 return 0;
2341 }
2342
2343 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2344 {
2345 return qdev_device_help(opts);
2346 }
2347
2348 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2349 {
2350 Error *err = NULL;
2351 DeviceState *dev;
2352
2353 dev = qdev_device_add(opts, &err);
2354 if (!dev) {
2355 error_report_err(err);
2356 return -1;
2357 }
2358 object_unref(OBJECT(dev));
2359 return 0;
2360 }
2361
2362 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2363 {
2364 Error *local_err = NULL;
2365
2366 qemu_chr_new_from_opts(opts, NULL, &local_err);
2367 if (local_err) {
2368 error_report_err(local_err);
2369 return -1;
2370 }
2371 return 0;
2372 }
2373
2374 #ifdef CONFIG_VIRTFS
2375 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2376 {
2377 int ret;
2378 ret = qemu_fsdev_add(opts);
2379
2380 return ret;
2381 }
2382 #endif
2383
2384 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2385 {
2386 CharDriverState *chr;
2387 const char *chardev;
2388 const char *mode;
2389 int flags;
2390
2391 mode = qemu_opt_get(opts, "mode");
2392 if (mode == NULL) {
2393 mode = "readline";
2394 }
2395 if (strcmp(mode, "readline") == 0) {
2396 flags = MONITOR_USE_READLINE;
2397 } else if (strcmp(mode, "control") == 0) {
2398 flags = MONITOR_USE_CONTROL;
2399 } else {
2400 error_report("unknown monitor mode \"%s\"", mode);
2401 exit(1);
2402 }
2403
2404 if (qemu_opt_get_bool(opts, "pretty", 0))
2405 flags |= MONITOR_USE_PRETTY;
2406
2407 if (qemu_opt_get_bool(opts, "default", 0))
2408 flags |= MONITOR_IS_DEFAULT;
2409
2410 chardev = qemu_opt_get(opts, "chardev");
2411 chr = qemu_chr_find(chardev);
2412 if (chr == NULL) {
2413 error_report("chardev \"%s\" not found", chardev);
2414 exit(1);
2415 }
2416
2417 qemu_chr_fe_claim_no_fail(chr);
2418 monitor_init(chr, flags);
2419 return 0;
2420 }
2421
2422 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2423 {
2424 static int monitor_device_index = 0;
2425 Error *local_err = NULL;
2426 QemuOpts *opts;
2427 const char *p;
2428 char label[32];
2429 int def = 0;
2430
2431 if (strstart(optarg, "chardev:", &p)) {
2432 snprintf(label, sizeof(label), "%s", p);
2433 } else {
2434 snprintf(label, sizeof(label), "compat_monitor%d",
2435 monitor_device_index);
2436 if (monitor_device_index == 0) {
2437 def = 1;
2438 }
2439 opts = qemu_chr_parse_compat(label, optarg);
2440 if (!opts) {
2441 error_report("parse error: %s", optarg);
2442 exit(1);
2443 }
2444 }
2445
2446 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &local_err);
2447 if (!opts) {
2448 error_report_err(local_err);
2449 exit(1);
2450 }
2451 qemu_opt_set(opts, "mode", mode, &error_abort);
2452 qemu_opt_set(opts, "chardev", label, &error_abort);
2453 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2454 if (def)
2455 qemu_opt_set(opts, "default", "on", &error_abort);
2456 monitor_device_index++;
2457 }
2458
2459 struct device_config {
2460 enum {
2461 DEV_USB, /* -usbdevice */
2462 DEV_BT, /* -bt */
2463 DEV_SERIAL, /* -serial */
2464 DEV_PARALLEL, /* -parallel */
2465 DEV_VIRTCON, /* -virtioconsole */
2466 DEV_DEBUGCON, /* -debugcon */
2467 DEV_GDB, /* -gdb, -s */
2468 DEV_SCLP, /* s390 sclp */
2469 } type;
2470 const char *cmdline;
2471 Location loc;
2472 QTAILQ_ENTRY(device_config) next;
2473 };
2474
2475 static QTAILQ_HEAD(, device_config) device_configs =
2476 QTAILQ_HEAD_INITIALIZER(device_configs);
2477
2478 static void add_device_config(int type, const char *cmdline)
2479 {
2480 struct device_config *conf;
2481
2482 conf = g_malloc0(sizeof(*conf));
2483 conf->type = type;
2484 conf->cmdline = cmdline;
2485 loc_save(&conf->loc);
2486 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2487 }
2488
2489 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2490 {
2491 struct device_config *conf;
2492 int rc;
2493
2494 QTAILQ_FOREACH(conf, &device_configs, next) {
2495 if (conf->type != type)
2496 continue;
2497 loc_push_restore(&conf->loc);
2498 rc = func(conf->cmdline);
2499 loc_pop(&conf->loc);
2500 if (rc) {
2501 return rc;
2502 }
2503 }
2504 return 0;
2505 }
2506
2507 static int serial_parse(const char *devname)
2508 {
2509 static int index = 0;
2510 char label[32];
2511
2512 if (strcmp(devname, "none") == 0)
2513 return 0;
2514 if (index == MAX_SERIAL_PORTS) {
2515 error_report("too many serial ports");
2516 exit(1);
2517 }
2518 snprintf(label, sizeof(label), "serial%d", index);
2519 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2520 if (!serial_hds[index]) {
2521 error_report("could not connect serial device"
2522 " to character backend '%s'", devname);
2523 return -1;
2524 }
2525 index++;
2526 return 0;
2527 }
2528
2529 static int parallel_parse(const char *devname)
2530 {
2531 static int index = 0;
2532 char label[32];
2533
2534 if (strcmp(devname, "none") == 0)
2535 return 0;
2536 if (index == MAX_PARALLEL_PORTS) {
2537 error_report("too many parallel ports");
2538 exit(1);
2539 }
2540 snprintf(label, sizeof(label), "parallel%d", index);
2541 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2542 if (!parallel_hds[index]) {
2543 error_report("could not connect parallel device"
2544 " to character backend '%s'", devname);
2545 return -1;
2546 }
2547 index++;
2548 return 0;
2549 }
2550
2551 static int virtcon_parse(const char *devname)
2552 {
2553 QemuOptsList *device = qemu_find_opts("device");
2554 static int index = 0;
2555 char label[32];
2556 QemuOpts *bus_opts, *dev_opts;
2557
2558 if (strcmp(devname, "none") == 0)
2559 return 0;
2560 if (index == MAX_VIRTIO_CONSOLES) {
2561 error_report("too many virtio consoles");
2562 exit(1);
2563 }
2564
2565 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2566 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2567
2568 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2569 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2570
2571 snprintf(label, sizeof(label), "virtcon%d", index);
2572 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2573 if (!virtcon_hds[index]) {
2574 error_report("could not connect virtio console"
2575 " to character backend '%s'", devname);
2576 return -1;
2577 }
2578 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2579
2580 index++;
2581 return 0;
2582 }
2583
2584 static int sclp_parse(const char *devname)
2585 {
2586 QemuOptsList *device = qemu_find_opts("device");
2587 static int index = 0;
2588 char label[32];
2589 QemuOpts *dev_opts;
2590
2591 if (strcmp(devname, "none") == 0) {
2592 return 0;
2593 }
2594 if (index == MAX_SCLP_CONSOLES) {
2595 error_report("too many sclp consoles");
2596 exit(1);
2597 }
2598
2599 assert(arch_type == QEMU_ARCH_S390X);
2600
2601 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2602 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2603
2604 snprintf(label, sizeof(label), "sclpcon%d", index);
2605 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2606 if (!sclp_hds[index]) {
2607 error_report("could not connect sclp console"
2608 " to character backend '%s'", devname);
2609 return -1;
2610 }
2611 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2612
2613 index++;
2614 return 0;
2615 }
2616
2617 static int debugcon_parse(const char *devname)
2618 {
2619 QemuOpts *opts;
2620
2621 if (!qemu_chr_new("debugcon", devname, NULL)) {
2622 exit(1);
2623 }
2624 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2625 if (!opts) {
2626 error_report("already have a debugcon device");
2627 exit(1);
2628 }
2629 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2630 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2631 return 0;
2632 }
2633
2634 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2635 {
2636 const MachineClass *mc1 = a, *mc2 = b;
2637 int res;
2638
2639 if (mc1->family == NULL) {
2640 if (mc2->family == NULL) {
2641 /* Compare standalone machine types against each other; they sort
2642 * in increasing order.
2643 */
2644 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2645 object_class_get_name(OBJECT_CLASS(mc2)));
2646 }
2647
2648 /* Standalone machine types sort after families. */
2649 return 1;
2650 }
2651
2652 if (mc2->family == NULL) {
2653 /* Families sort before standalone machine types. */
2654 return -1;
2655 }
2656
2657 /* Families sort between each other alphabetically increasingly. */
2658 res = strcmp(mc1->family, mc2->family);
2659 if (res != 0) {
2660 return res;
2661 }
2662
2663 /* Within the same family, machine types sort in decreasing order. */
2664 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2665 object_class_get_name(OBJECT_CLASS(mc1)));
2666 }
2667
2668 static MachineClass *machine_parse(const char *name)
2669 {
2670 MachineClass *mc = NULL;
2671 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2672
2673 if (name) {
2674 mc = find_machine(name);
2675 }
2676 if (mc) {
2677 g_slist_free(machines);
2678 return mc;
2679 }
2680 if (name && !is_help_option(name)) {
2681 error_report("unsupported machine type");
2682 error_printf("Use -machine help to list supported machines\n");
2683 } else {
2684 printf("Supported machines are:\n");
2685 machines = g_slist_sort(machines, machine_class_cmp);
2686 for (el = machines; el; el = el->next) {
2687 MachineClass *mc = el->data;
2688 if (mc->alias) {
2689 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2690 }
2691 printf("%-20s %s%s\n", mc->name, mc->desc,
2692 mc->is_default ? " (default)" : "");
2693 }
2694 }
2695
2696 g_slist_free(machines);
2697 exit(!name || !is_help_option(name));
2698 }
2699
2700 void qemu_add_exit_notifier(Notifier *notify)
2701 {
2702 notifier_list_add(&exit_notifiers, notify);
2703 }
2704
2705 void qemu_remove_exit_notifier(Notifier *notify)
2706 {
2707 notifier_remove(notify);
2708 }
2709
2710 static void qemu_run_exit_notifiers(void)
2711 {
2712 notifier_list_notify(&exit_notifiers, NULL);
2713 }
2714
2715 static bool machine_init_done;
2716
2717 void qemu_add_machine_init_done_notifier(Notifier *notify)
2718 {
2719 notifier_list_add(&machine_init_done_notifiers, notify);
2720 if (machine_init_done) {
2721 notify->notify(notify, NULL);
2722 }
2723 }
2724
2725 static void qemu_run_machine_init_done_notifiers(void)
2726 {
2727 notifier_list_notify(&machine_init_done_notifiers, NULL);
2728 machine_init_done = true;
2729 }
2730
2731 static const QEMUOption *lookup_opt(int argc, char **argv,
2732 const char **poptarg, int *poptind)
2733 {
2734 const QEMUOption *popt;
2735 int optind = *poptind;
2736 char *r = argv[optind];
2737 const char *optarg;
2738
2739 loc_set_cmdline(argv, optind, 1);
2740 optind++;
2741 /* Treat --foo the same as -foo. */
2742 if (r[1] == '-')
2743 r++;
2744 popt = qemu_options;
2745 for(;;) {
2746 if (!popt->name) {
2747 error_report("invalid option");
2748 exit(1);
2749 }
2750 if (!strcmp(popt->name, r + 1))
2751 break;
2752 popt++;
2753 }
2754 if (popt->flags & HAS_ARG) {
2755 if (optind >= argc) {
2756 error_report("requires an argument");
2757 exit(1);
2758 }
2759 optarg = argv[optind++];
2760 loc_set_cmdline(argv, optind - 2, 2);
2761 } else {
2762 optarg = NULL;
2763 }
2764
2765 *poptarg = optarg;
2766 *poptind = optind;
2767
2768 return popt;
2769 }
2770
2771 static MachineClass *select_machine(void)
2772 {
2773 MachineClass *machine_class = find_default_machine();
2774 const char *optarg;
2775 QemuOpts *opts;
2776 Location loc;
2777
2778 loc_push_none(&loc);
2779
2780 opts = qemu_get_machine_opts();
2781 qemu_opts_loc_restore(opts);
2782
2783 optarg = qemu_opt_get(opts, "type");
2784 if (optarg) {
2785 machine_class = machine_parse(optarg);
2786 }
2787
2788 if (!machine_class) {
2789 error_report("No machine specified, and there is no default");
2790 error_printf("Use -machine help to list supported machines\n");
2791 exit(1);
2792 }
2793
2794 loc_pop(&loc);
2795 return machine_class;
2796 }
2797
2798 static int machine_set_property(void *opaque,
2799 const char *name, const char *value,
2800 Error **errp)
2801 {
2802 Object *obj = OBJECT(opaque);
2803 Error *local_err = NULL;
2804 char *c, *qom_name;
2805
2806 if (strcmp(name, "type") == 0) {
2807 return 0;
2808 }
2809
2810 qom_name = g_strdup(name);
2811 c = qom_name;
2812 while (*c++) {
2813 if (*c == '_') {
2814 *c = '-';
2815 }
2816 }
2817
2818 object_property_parse(obj, value, qom_name, &local_err);
2819 g_free(qom_name);
2820
2821 if (local_err) {
2822 error_report_err(local_err);
2823 return -1;
2824 }
2825
2826 return 0;
2827 }
2828
2829
2830 /*
2831 * Initial object creation happens before all other
2832 * QEMU data types are created. The majority of objects
2833 * can be created at this point. The rng-egd object
2834 * cannot be created here, as it depends on the chardev
2835 * already existing.
2836 */
2837 static bool object_create_initial(const char *type)
2838 {
2839 if (g_str_equal(type, "rng-egd")) {
2840 return false;
2841 }
2842
2843 /*
2844 * return false for concrete netfilters since
2845 * they depend on netdevs already existing
2846 */
2847 if (g_str_equal(type, "filter-buffer") ||
2848 g_str_equal(type, "filter-dump") ||
2849 g_str_equal(type, "filter-mirror") ||
2850 g_str_equal(type, "filter-redirector")) {
2851 return false;
2852 }
2853
2854 return true;
2855 }
2856
2857
2858 /*
2859 * The remainder of object creation happens after the
2860 * creation of chardev, fsdev, net clients and device data types.
2861 */
2862 static bool object_create_delayed(const char *type)
2863 {
2864 return !object_create_initial(type);
2865 }
2866
2867
2868 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2869 MachineClass *mc)
2870 {
2871 uint64_t sz;
2872 const char *mem_str;
2873 const char *maxmem_str, *slots_str;
2874 const ram_addr_t default_ram_size = mc->default_ram_size;
2875 QemuOpts *opts = qemu_find_opts_singleton("memory");
2876 Location loc;
2877
2878 loc_push_none(&loc);
2879 qemu_opts_loc_restore(opts);
2880
2881 sz = 0;
2882 mem_str = qemu_opt_get(opts, "size");
2883 if (mem_str) {
2884 if (!*mem_str) {
2885 error_report("missing 'size' option value");
2886 exit(EXIT_FAILURE);
2887 }
2888
2889 sz = qemu_opt_get_size(opts, "size", ram_size);
2890
2891 /* Fix up legacy suffix-less format */
2892 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2893 uint64_t overflow_check = sz;
2894
2895 sz <<= 20;
2896 if ((sz >> 20) != overflow_check) {
2897 error_report("too large 'size' option value");
2898 exit(EXIT_FAILURE);
2899 }
2900 }
2901 }
2902
2903 /* backward compatibility behaviour for case "-m 0" */
2904 if (sz == 0) {
2905 sz = default_ram_size;
2906 }
2907
2908 sz = QEMU_ALIGN_UP(sz, 8192);
2909 ram_size = sz;
2910 if (ram_size != sz) {
2911 error_report("ram size too large");
2912 exit(EXIT_FAILURE);
2913 }
2914
2915 /* store value for the future use */
2916 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2917 *maxram_size = ram_size;
2918
2919 maxmem_str = qemu_opt_get(opts, "maxmem");
2920 slots_str = qemu_opt_get(opts, "slots");
2921 if (maxmem_str && slots_str) {
2922 uint64_t slots;
2923
2924 sz = qemu_opt_get_size(opts, "maxmem", 0);
2925 slots = qemu_opt_get_number(opts, "slots", 0);
2926 if (sz < ram_size) {
2927 error_report("invalid value of -m option maxmem: "
2928 "maximum memory size (0x%" PRIx64 ") must be at least "
2929 "the initial memory size (0x" RAM_ADDR_FMT ")",
2930 sz, ram_size);
2931 exit(EXIT_FAILURE);
2932 } else if (sz > ram_size) {
2933 if (!slots) {
2934 error_report("invalid value of -m option: maxmem was "
2935 "specified, but no hotplug slots were specified");
2936 exit(EXIT_FAILURE);
2937 }
2938 } else if (slots) {
2939 error_report("invalid value of -m option maxmem: "
2940 "memory slots were specified but maximum memory size "
2941 "(0x%" PRIx64 ") is equal to the initial memory size "
2942 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2943 exit(EXIT_FAILURE);
2944 }
2945
2946 *maxram_size = sz;
2947 *ram_slots = slots;
2948 } else if ((!maxmem_str && slots_str) ||
2949 (maxmem_str && !slots_str)) {
2950 error_report("invalid -m option value: missing "
2951 "'%s' option", slots_str ? "maxmem" : "slots");
2952 exit(EXIT_FAILURE);
2953 }
2954
2955 loc_pop(&loc);
2956 }
2957
2958 int main(int argc, char **argv, char **envp)
2959 {
2960 int i;
2961 int snapshot, linux_boot;
2962 const char *initrd_filename;
2963 const char *kernel_filename, *kernel_cmdline;
2964 const char *boot_order = NULL;
2965 const char *boot_once = NULL;
2966 DisplayState *ds;
2967 int cyls, heads, secs, translation;
2968 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2969 QemuOptsList *olist;
2970 int optind;
2971 const char *optarg;
2972 const char *loadvm = NULL;
2973 MachineClass *machine_class;
2974 const char *cpu_model;
2975 const char *vga_model = NULL;
2976 const char *qtest_chrdev = NULL;
2977 const char *qtest_log = NULL;
2978 const char *pid_file = NULL;
2979 const char *incoming = NULL;
2980 #ifdef CONFIG_VNC
2981 int show_vnc_port = 0;
2982 #endif
2983 bool defconfig = true;
2984 bool userconfig = true;
2985 const char *log_mask = NULL;
2986 const char *log_file = NULL;
2987 char *trace_file = NULL;
2988 ram_addr_t maxram_size;
2989 uint64_t ram_slots = 0;
2990 FILE *vmstate_dump_file = NULL;
2991 Error *main_loop_err = NULL;
2992 Error *err = NULL;
2993
2994 qemu_init_cpu_loop();
2995 qemu_mutex_lock_iothread();
2996
2997 atexit(qemu_run_exit_notifiers);
2998 error_set_progname(argv[0]);
2999 qemu_init_exec_dir(argv[0]);
3000
3001 module_call_init(MODULE_INIT_QOM);
3002
3003 qemu_add_opts(&qemu_drive_opts);
3004 qemu_add_drive_opts(&qemu_legacy_drive_opts);
3005 qemu_add_drive_opts(&qemu_common_drive_opts);
3006 qemu_add_drive_opts(&qemu_drive_opts);
3007 qemu_add_opts(&qemu_chardev_opts);
3008 qemu_add_opts(&qemu_device_opts);
3009 qemu_add_opts(&qemu_netdev_opts);
3010 qemu_add_opts(&qemu_net_opts);
3011 qemu_add_opts(&qemu_rtc_opts);
3012 qemu_add_opts(&qemu_global_opts);
3013 qemu_add_opts(&qemu_mon_opts);
3014 qemu_add_opts(&qemu_trace_opts);
3015 qemu_add_opts(&qemu_option_rom_opts);
3016 qemu_add_opts(&qemu_machine_opts);
3017 qemu_add_opts(&qemu_mem_opts);
3018 qemu_add_opts(&qemu_smp_opts);
3019 qemu_add_opts(&qemu_boot_opts);
3020 qemu_add_opts(&qemu_sandbox_opts);
3021 qemu_add_opts(&qemu_add_fd_opts);
3022 qemu_add_opts(&qemu_object_opts);
3023 qemu_add_opts(&qemu_tpmdev_opts);
3024 qemu_add_opts(&qemu_realtime_opts);
3025 qemu_add_opts(&qemu_msg_opts);
3026 qemu_add_opts(&qemu_name_opts);
3027 qemu_add_opts(&qemu_numa_opts);
3028 qemu_add_opts(&qemu_icount_opts);
3029 qemu_add_opts(&qemu_semihosting_config_opts);
3030 qemu_add_opts(&qemu_fw_cfg_opts);
3031 module_call_init(MODULE_INIT_OPTS);
3032
3033 runstate_init();
3034
3035 if (qcrypto_init(&err) < 0) {
3036 error_reportf_err(err, "cannot initialize crypto: ");
3037 exit(1);
3038 }
3039 rtc_clock = QEMU_CLOCK_HOST;
3040
3041 QLIST_INIT (&vm_change_state_head);
3042 os_setup_early_signal_handling();
3043
3044 cpu_model = NULL;
3045 snapshot = 0;
3046 cyls = heads = secs = 0;
3047 translation = BIOS_ATA_TRANSLATION_AUTO;
3048
3049 nb_nics = 0;
3050
3051 bdrv_init_with_whitelist();
3052
3053 autostart = 1;
3054
3055 /* first pass of option parsing */
3056 optind = 1;
3057 while (optind < argc) {
3058 if (argv[optind][0] != '-') {
3059 /* disk image */
3060 optind++;
3061 } else {
3062 const QEMUOption *popt;
3063
3064 popt = lookup_opt(argc, argv, &optarg, &optind);
3065 switch (popt->index) {
3066 case QEMU_OPTION_nodefconfig:
3067 defconfig = false;
3068 break;
3069 case QEMU_OPTION_nouserconfig:
3070 userconfig = false;
3071 break;
3072 }
3073 }
3074 }
3075
3076 if (defconfig) {
3077 int ret;
3078 ret = qemu_read_default_config_files(userconfig);
3079 if (ret < 0) {
3080 exit(1);
3081 }
3082 }
3083
3084 /* second pass of option parsing */
3085 optind = 1;
3086 for(;;) {
3087 if (optind >= argc)
3088 break;
3089 if (argv[optind][0] != '-') {
3090 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3091 } else {
3092 const QEMUOption *popt;
3093
3094 popt = lookup_opt(argc, argv, &optarg, &optind);
3095 if (!(popt->arch_mask & arch_type)) {
3096 printf("Option %s not supported for this target\n", popt->name);
3097 exit(1);
3098 }
3099 switch(popt->index) {
3100 case QEMU_OPTION_no_kvm_irqchip: {
3101 olist = qemu_find_opts("machine");
3102 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3103 break;
3104 }
3105 case QEMU_OPTION_cpu:
3106 /* hw initialization will check this */
3107 cpu_model = optarg;
3108 break;
3109 case QEMU_OPTION_hda:
3110 {
3111 char buf[256];
3112 if (cyls == 0)
3113 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3114 else
3115 snprintf(buf, sizeof(buf),
3116 "%s,cyls=%d,heads=%d,secs=%d%s",
3117 HD_OPTS , cyls, heads, secs,
3118 translation == BIOS_ATA_TRANSLATION_LBA ?
3119 ",trans=lba" :
3120 translation == BIOS_ATA_TRANSLATION_NONE ?
3121 ",trans=none" : "");
3122 drive_add(IF_DEFAULT, 0, optarg, buf);
3123 break;
3124 }
3125 case QEMU_OPTION_hdb:
3126 case QEMU_OPTION_hdc:
3127 case QEMU_OPTION_hdd:
3128 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3129 HD_OPTS);
3130 break;
3131 case QEMU_OPTION_drive:
3132 if (drive_def(optarg) == NULL) {
3133 exit(1);
3134 }
3135 break;
3136 case QEMU_OPTION_set:
3137 if (qemu_set_option(optarg) != 0)
3138 exit(1);
3139 break;
3140 case QEMU_OPTION_global:
3141 if (qemu_global_option(optarg) != 0)
3142 exit(1);
3143 break;
3144 case QEMU_OPTION_mtdblock:
3145 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3146 break;
3147 case QEMU_OPTION_sd:
3148 drive_add(IF_SD, -1, optarg, SD_OPTS);
3149 break;
3150 case QEMU_OPTION_pflash:
3151 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3152 break;
3153 case QEMU_OPTION_snapshot:
3154 snapshot = 1;
3155 break;
3156 case QEMU_OPTION_hdachs:
3157 {
3158 const char *p;
3159 p = optarg;
3160 cyls = strtol(p, (char **)&p, 0);
3161 if (cyls < 1 || cyls > 16383)
3162 goto chs_fail;
3163 if (*p != ',')
3164 goto chs_fail;
3165 p++;
3166 heads = strtol(p, (char **)&p, 0);
3167 if (heads < 1 || heads > 16)
3168 goto chs_fail;
3169 if (*p != ',')
3170 goto chs_fail;
3171 p++;
3172 secs = strtol(p, (char **)&p, 0);
3173 if (secs < 1 || secs > 63)
3174 goto chs_fail;
3175 if (*p == ',') {
3176 p++;
3177 if (!strcmp(p, "large")) {
3178 translation = BIOS_ATA_TRANSLATION_LARGE;
3179 } else if (!strcmp(p, "rechs")) {
3180 translation = BIOS_ATA_TRANSLATION_RECHS;
3181 } else if (!strcmp(p, "none")) {
3182 translation = BIOS_ATA_TRANSLATION_NONE;
3183 } else if (!strcmp(p, "lba")) {
3184 translation = BIOS_ATA_TRANSLATION_LBA;
3185 } else if (!strcmp(p, "auto")) {
3186 translation = BIOS_ATA_TRANSLATION_AUTO;
3187 } else {
3188 goto chs_fail;
3189 }
3190 } else if (*p != '\0') {
3191 chs_fail:
3192 error_report("invalid physical CHS format");
3193 exit(1);
3194 }
3195 if (hda_opts != NULL) {
3196 qemu_opt_set_number(hda_opts, "cyls", cyls,
3197 &error_abort);
3198 qemu_opt_set_number(hda_opts, "heads", heads,
3199 &error_abort);
3200 qemu_opt_set_number(hda_opts, "secs", secs,
3201 &error_abort);
3202 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3203 qemu_opt_set(hda_opts, "trans", "large",
3204 &error_abort);
3205 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3206 qemu_opt_set(hda_opts, "trans", "rechs",
3207 &error_abort);
3208 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3209 qemu_opt_set(hda_opts, "trans", "lba",
3210 &error_abort);
3211 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3212 qemu_opt_set(hda_opts, "trans", "none",
3213 &error_abort);
3214 }
3215 }
3216 }
3217 break;
3218 case QEMU_OPTION_numa:
3219 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3220 optarg, true);
3221 if (!opts) {
3222 exit(1);
3223 }
3224 break;
3225 case QEMU_OPTION_display:
3226 display_type = select_display(optarg);
3227 break;
3228 case QEMU_OPTION_nographic:
3229 display_type = DT_NOGRAPHIC;
3230 break;
3231 case QEMU_OPTION_curses:
3232 #ifdef CONFIG_CURSES
3233 display_type = DT_CURSES;
3234 #else
3235 error_report("curses support is disabled");
3236 exit(1);
3237 #endif
3238 break;
3239 case QEMU_OPTION_portrait:
3240 graphic_rotate = 90;
3241 break;
3242 case QEMU_OPTION_rotate:
3243 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3244 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3245 graphic_rotate != 180 && graphic_rotate != 270) {
3246 error_report("only 90, 180, 270 deg rotation is available");
3247 exit(1);
3248 }
3249 break;
3250 case QEMU_OPTION_kernel:
3251 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3252 &error_abort);
3253 break;
3254 case QEMU_OPTION_initrd:
3255 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3256 &error_abort);
3257 break;
3258 case QEMU_OPTION_append:
3259 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3260 &error_abort);
3261 break;
3262 case QEMU_OPTION_dtb:
3263 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3264 &error_abort);
3265 break;
3266 case QEMU_OPTION_cdrom:
3267 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3268 break;
3269 case QEMU_OPTION_boot:
3270 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3271 optarg, true);
3272 if (!opts) {
3273 exit(1);
3274 }
3275 break;
3276 case QEMU_OPTION_fda:
3277 case QEMU_OPTION_fdb:
3278 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3279 optarg, FD_OPTS);
3280 break;
3281 case QEMU_OPTION_no_fd_bootchk:
3282 fd_bootchk = 0;
3283 break;
3284 case QEMU_OPTION_netdev:
3285 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3286 exit(1);
3287 }
3288 break;
3289 case QEMU_OPTION_net:
3290 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3291 exit(1);
3292 }
3293 break;
3294 #ifdef CONFIG_LIBISCSI
3295 case QEMU_OPTION_iscsi:
3296 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3297 optarg, false);
3298 if (!opts) {
3299 exit(1);
3300 }
3301 break;
3302 #endif
3303 #ifdef CONFIG_SLIRP
3304 case QEMU_OPTION_tftp:
3305 error_report("The -tftp option is deprecated. "
3306 "Please use '-netdev user,tftp=...' instead.");
3307 legacy_tftp_prefix = optarg;
3308 break;
3309 case QEMU_OPTION_bootp:
3310 error_report("The -bootp option is deprecated. "
3311 "Please use '-netdev user,bootfile=...' instead.");
3312 legacy_bootp_filename = optarg;
3313 break;
3314 case QEMU_OPTION_redir:
3315 error_report("The -redir option is deprecated. "
3316 "Please use '-netdev user,hostfwd=...' instead.");
3317 if (net_slirp_redir(optarg) < 0)
3318 exit(1);
3319 break;
3320 #endif
3321 case QEMU_OPTION_bt:
3322 add_device_config(DEV_BT, optarg);
3323 break;
3324 case QEMU_OPTION_audio_help:
3325 AUD_help ();
3326 exit (0);
3327 break;
3328 case QEMU_OPTION_soundhw:
3329 select_soundhw (optarg);
3330 break;
3331 case QEMU_OPTION_h:
3332 help(0);
3333 break;
3334 case QEMU_OPTION_version:
3335 version();
3336 exit(0);
3337 break;
3338 case QEMU_OPTION_m:
3339 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3340 optarg, true);
3341 if (!opts) {
3342 exit(EXIT_FAILURE);
3343 }
3344 break;
3345 #ifdef CONFIG_TPM
3346 case QEMU_OPTION_tpmdev:
3347 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3348 exit(1);
3349 }
3350 break;
3351 #endif
3352 case QEMU_OPTION_mempath:
3353 mem_path = optarg;
3354 break;
3355 case QEMU_OPTION_mem_prealloc:
3356 mem_prealloc = 1;
3357 break;
3358 case QEMU_OPTION_d:
3359 log_mask = optarg;
3360 break;
3361 case QEMU_OPTION_D:
3362 log_file = optarg;
3363 break;
3364 case QEMU_OPTION_DFILTER:
3365 qemu_set_dfilter_ranges(optarg);
3366 break;
3367 case QEMU_OPTION_s:
3368 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3369 break;
3370 case QEMU_OPTION_gdb:
3371 add_device_config(DEV_GDB, optarg);
3372 break;
3373 case QEMU_OPTION_L:
3374 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3375 data_dir[data_dir_idx++] = optarg;
3376 }
3377 break;
3378 case QEMU_OPTION_bios:
3379 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3380 &error_abort);
3381 break;
3382 case QEMU_OPTION_singlestep:
3383 singlestep = 1;
3384 break;
3385 case QEMU_OPTION_S:
3386 autostart = 0;
3387 break;
3388 case QEMU_OPTION_k:
3389 keyboard_layout = optarg;
3390 break;
3391 case QEMU_OPTION_localtime:
3392 rtc_utc = 0;
3393 break;
3394 case QEMU_OPTION_vga:
3395 vga_model = optarg;
3396 default_vga = 0;
3397 break;
3398 case QEMU_OPTION_g:
3399 {
3400 const char *p;
3401 int w, h, depth;
3402 p = optarg;
3403 w = strtol(p, (char **)&p, 10);
3404 if (w <= 0) {
3405 graphic_error:
3406 error_report("invalid resolution or depth");
3407 exit(1);
3408 }
3409 if (*p != 'x')
3410 goto graphic_error;
3411 p++;
3412 h = strtol(p, (char **)&p, 10);
3413 if (h <= 0)
3414 goto graphic_error;
3415 if (*p == 'x') {
3416 p++;
3417 depth = strtol(p, (char **)&p, 10);
3418 if (depth != 8 && depth != 15 && depth != 16 &&
3419 depth != 24 && depth != 32)
3420 goto graphic_error;
3421 } else if (*p == '\0') {
3422 depth = graphic_depth;
3423 } else {
3424 goto graphic_error;
3425 }
3426
3427 graphic_width = w;
3428 graphic_height = h;
3429 graphic_depth = depth;
3430 }
3431 break;
3432 case QEMU_OPTION_echr:
3433 {
3434 char *r;
3435 term_escape_char = strtol(optarg, &r, 0);
3436 if (r == optarg)
3437 printf("Bad argument to echr\n");
3438 break;
3439 }
3440 case QEMU_OPTION_monitor:
3441 default_monitor = 0;
3442 if (strncmp(optarg, "none", 4)) {
3443 monitor_parse(optarg, "readline", false);
3444 }
3445 break;
3446 case QEMU_OPTION_qmp:
3447 monitor_parse(optarg, "control", false);
3448 default_monitor = 0;
3449 break;
3450 case QEMU_OPTION_qmp_pretty:
3451 monitor_parse(optarg, "control", true);
3452 default_monitor = 0;
3453 break;
3454 case QEMU_OPTION_mon:
3455 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3456 true);
3457 if (!opts) {
3458 exit(1);
3459 }
3460 default_monitor = 0;
3461 break;
3462 case QEMU_OPTION_chardev:
3463 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3464 optarg, true);
3465 if (!opts) {
3466 exit(1);
3467 }
3468 break;
3469 case QEMU_OPTION_fsdev:
3470 olist = qemu_find_opts("fsdev");
3471 if (!olist) {
3472 error_report("fsdev support is disabled");
3473 exit(1);
3474 }
3475 opts = qemu_opts_parse_noisily(olist, optarg, true);
3476 if (!opts) {
3477 exit(1);
3478 }
3479 break;
3480 case QEMU_OPTION_virtfs: {
3481 QemuOpts *fsdev;
3482 QemuOpts *device;
3483 const char *writeout, *sock_fd, *socket;
3484
3485 olist = qemu_find_opts("virtfs");
3486 if (!olist) {
3487 error_report("virtfs support is disabled");
3488 exit(1);
3489 }
3490 opts = qemu_opts_parse_noisily(olist, optarg, true);
3491 if (!opts) {
3492 exit(1);
3493 }
3494
3495 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3496 qemu_opt_get(opts, "mount_tag") == NULL) {
3497 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3498 exit(1);
3499 }
3500 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3501 qemu_opt_get(opts, "mount_tag"),
3502 1, NULL);
3503 if (!fsdev) {
3504 error_report("duplicate fsdev id: %s",
3505 qemu_opt_get(opts, "mount_tag"));
3506 exit(1);
3507 }
3508
3509 writeout =