vfio/pci: Add IGD documentation
[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 "qemu/log.h"
84 #include "sysemu/blockdev.h"
85 #include "hw/block/block.h"
86 #include "migration/block.h"
87 #include "sysemu/tpm.h"
88 #include "sysemu/dma.h"
89 #include "audio/audio.h"
90 #include "migration/migration.h"
91 #include "sysemu/cpus.h"
92 #include "sysemu/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114
115 #include "ui/qemu-spice.h"
116 #include "qapi/string-input-visitor.h"
117 #include "qapi/opts-visitor.h"
118 #include "qom/object_interfaces.h"
119 #include "qapi-event.h"
120 #include "exec/semihost.h"
121 #include "crypto/init.h"
122 #include "sysemu/replay.h"
123 #include "qapi/qmp/qerror.h"
124
125 #define MAX_VIRTIO_CONSOLES 1
126 #define MAX_SCLP_CONSOLES 1
127
128 static const char *data_dir[16];
129 static int data_dir_idx;
130 const char *bios_name = NULL;
131 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
132 int request_opengl = -1;
133 int display_opengl;
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 static bool grab_on_hover;
150 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
151 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
152 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
153 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
154 int win2k_install_hack = 0;
155 int singlestep = 0;
156 int smp_cpus = 1;
157 int max_cpus = 0;
158 int smp_cores = 1;
159 int smp_threads = 1;
160 int acpi_enabled = 1;
161 int no_hpet = 0;
162 int fd_bootchk = 1;
163 static int no_reboot;
164 int no_shutdown = 0;
165 int cursor_hide = 1;
166 int graphic_rotate = 0;
167 const char *watchdog;
168 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
169 int nb_option_roms;
170 int old_param = 0;
171 const char *qemu_name;
172 int alt_grab = 0;
173 int ctrl_grab = 0;
174 unsigned int nb_prom_envs = 0;
175 const char *prom_envs[MAX_PROM_ENVS];
176 int boot_menu;
177 bool boot_strict;
178 uint8_t *boot_splash_filedata;
179 size_t boot_splash_filedata_size;
180 uint8_t qemu_extra_params_fw[2];
181
182 int icount_align_option;
183
184 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
185 * little-endian "wire format" described in the SMBIOS 2.6 specification.
186 */
187 uint8_t qemu_uuid[16];
188 bool qemu_uuid_set;
189
190 static NotifierList exit_notifiers =
191 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
192
193 static NotifierList machine_init_done_notifiers =
194 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
195
196 bool xen_allowed;
197 uint32_t xen_domid;
198 enum xen_mode xen_mode = XEN_EMULATE;
199
200 static int has_defaults = 1;
201 static int default_serial = 1;
202 static int default_parallel = 1;
203 static int default_virtcon = 1;
204 static int default_sclp = 1;
205 static int default_monitor = 1;
206 static int default_floppy = 1;
207 static int default_cdrom = 1;
208 static int default_sdcard = 1;
209 static int default_vga = 1;
210
211 static struct {
212 const char *driver;
213 int *flag;
214 } default_list[] = {
215 { .driver = "isa-serial", .flag = &default_serial },
216 { .driver = "isa-parallel", .flag = &default_parallel },
217 { .driver = "isa-fdc", .flag = &default_floppy },
218 { .driver = "ide-cd", .flag = &default_cdrom },
219 { .driver = "ide-hd", .flag = &default_cdrom },
220 { .driver = "ide-drive", .flag = &default_cdrom },
221 { .driver = "scsi-cd", .flag = &default_cdrom },
222 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
223 { .driver = "virtio-serial", .flag = &default_virtcon },
224 { .driver = "VGA", .flag = &default_vga },
225 { .driver = "isa-vga", .flag = &default_vga },
226 { .driver = "cirrus-vga", .flag = &default_vga },
227 { .driver = "isa-cirrus-vga", .flag = &default_vga },
228 { .driver = "vmware-svga", .flag = &default_vga },
229 { .driver = "qxl-vga", .flag = &default_vga },
230 { .driver = "virtio-vga", .flag = &default_vga },
231 };
232
233 static QemuOptsList qemu_rtc_opts = {
234 .name = "rtc",
235 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
236 .desc = {
237 {
238 .name = "base",
239 .type = QEMU_OPT_STRING,
240 },{
241 .name = "clock",
242 .type = QEMU_OPT_STRING,
243 },{
244 .name = "driftfix",
245 .type = QEMU_OPT_STRING,
246 },
247 { /* end of list */ }
248 },
249 };
250
251 static QemuOptsList qemu_sandbox_opts = {
252 .name = "sandbox",
253 .implied_opt_name = "enable",
254 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
255 .desc = {
256 {
257 .name = "enable",
258 .type = QEMU_OPT_BOOL,
259 },
260 { /* end of list */ }
261 },
262 };
263
264 static QemuOptsList qemu_trace_opts = {
265 .name = "trace",
266 .implied_opt_name = "enable",
267 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
268 .desc = {
269 {
270 .name = "enable",
271 .type = QEMU_OPT_STRING,
272 },
273 {
274 .name = "events",
275 .type = QEMU_OPT_STRING,
276 },{
277 .name = "file",
278 .type = QEMU_OPT_STRING,
279 },
280 { /* end of list */ }
281 },
282 };
283
284 static QemuOptsList qemu_option_rom_opts = {
285 .name = "option-rom",
286 .implied_opt_name = "romfile",
287 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
288 .desc = {
289 {
290 .name = "bootindex",
291 .type = QEMU_OPT_NUMBER,
292 }, {
293 .name = "romfile",
294 .type = QEMU_OPT_STRING,
295 },
296 { /* end of list */ }
297 },
298 };
299
300 static QemuOptsList qemu_machine_opts = {
301 .name = "machine",
302 .implied_opt_name = "type",
303 .merge_lists = true,
304 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
305 .desc = {
306 /*
307 * no elements => accept any
308 * sanity checking will happen later
309 * when setting machine properties
310 */
311 { }
312 },
313 };
314
315 static QemuOptsList qemu_boot_opts = {
316 .name = "boot-opts",
317 .implied_opt_name = "order",
318 .merge_lists = true,
319 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
320 .desc = {
321 {
322 .name = "order",
323 .type = QEMU_OPT_STRING,
324 }, {
325 .name = "once",
326 .type = QEMU_OPT_STRING,
327 }, {
328 .name = "menu",
329 .type = QEMU_OPT_BOOL,
330 }, {
331 .name = "splash",
332 .type = QEMU_OPT_STRING,
333 }, {
334 .name = "splash-time",
335 .type = QEMU_OPT_STRING,
336 }, {
337 .name = "reboot-timeout",
338 .type = QEMU_OPT_STRING,
339 }, {
340 .name = "strict",
341 .type = QEMU_OPT_BOOL,
342 },
343 { /*End of list */ }
344 },
345 };
346
347 static QemuOptsList qemu_add_fd_opts = {
348 .name = "add-fd",
349 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
350 .desc = {
351 {
352 .name = "fd",
353 .type = QEMU_OPT_NUMBER,
354 .help = "file descriptor of which a duplicate is added to fd set",
355 },{
356 .name = "set",
357 .type = QEMU_OPT_NUMBER,
358 .help = "ID of the fd set to add fd to",
359 },{
360 .name = "opaque",
361 .type = QEMU_OPT_STRING,
362 .help = "free-form string used to describe fd",
363 },
364 { /* end of list */ }
365 },
366 };
367
368 static QemuOptsList qemu_object_opts = {
369 .name = "object",
370 .implied_opt_name = "qom-type",
371 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
372 .desc = {
373 { }
374 },
375 };
376
377 static QemuOptsList qemu_tpmdev_opts = {
378 .name = "tpmdev",
379 .implied_opt_name = "type",
380 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
381 .desc = {
382 /* options are defined in the TPM backends */
383 { /* end of list */ }
384 },
385 };
386
387 static QemuOptsList qemu_realtime_opts = {
388 .name = "realtime",
389 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
390 .desc = {
391 {
392 .name = "mlock",
393 .type = QEMU_OPT_BOOL,
394 },
395 { /* end of list */ }
396 },
397 };
398
399 static QemuOptsList qemu_msg_opts = {
400 .name = "msg",
401 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
402 .desc = {
403 {
404 .name = "timestamp",
405 .type = QEMU_OPT_BOOL,
406 },
407 { /* end of list */ }
408 },
409 };
410
411 static QemuOptsList qemu_name_opts = {
412 .name = "name",
413 .implied_opt_name = "guest",
414 .merge_lists = true,
415 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
416 .desc = {
417 {
418 .name = "guest",
419 .type = QEMU_OPT_STRING,
420 .help = "Sets the name of the guest.\n"
421 "This name will be displayed in the SDL window caption.\n"
422 "The name will also be used for the VNC server",
423 }, {
424 .name = "process",
425 .type = QEMU_OPT_STRING,
426 .help = "Sets the name of the QEMU process, as shown in top etc",
427 }, {
428 .name = "debug-threads",
429 .type = QEMU_OPT_BOOL,
430 .help = "When enabled, name the individual threads; defaults off.\n"
431 "NOTE: The thread names are for debugging and not a\n"
432 "stable API.",
433 },
434 { /* End of list */ }
435 },
436 };
437
438 static QemuOptsList qemu_mem_opts = {
439 .name = "memory",
440 .implied_opt_name = "size",
441 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
442 .merge_lists = true,
443 .desc = {
444 {
445 .name = "size",
446 .type = QEMU_OPT_SIZE,
447 },
448 {
449 .name = "slots",
450 .type = QEMU_OPT_NUMBER,
451 },
452 {
453 .name = "maxmem",
454 .type = QEMU_OPT_SIZE,
455 },
456 { /* end of list */ }
457 },
458 };
459
460 static QemuOptsList qemu_icount_opts = {
461 .name = "icount",
462 .implied_opt_name = "shift",
463 .merge_lists = true,
464 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
465 .desc = {
466 {
467 .name = "shift",
468 .type = QEMU_OPT_STRING,
469 }, {
470 .name = "align",
471 .type = QEMU_OPT_BOOL,
472 }, {
473 .name = "sleep",
474 .type = QEMU_OPT_BOOL,
475 }, {
476 .name = "rr",
477 .type = QEMU_OPT_STRING,
478 }, {
479 .name = "rrfile",
480 .type = QEMU_OPT_STRING,
481 },
482 { /* end of list */ }
483 },
484 };
485
486 static QemuOptsList qemu_semihosting_config_opts = {
487 .name = "semihosting-config",
488 .implied_opt_name = "enable",
489 .head = QTAILQ_HEAD_INITIALIZER(qemu_semihosting_config_opts.head),
490 .desc = {
491 {
492 .name = "enable",
493 .type = QEMU_OPT_BOOL,
494 }, {
495 .name = "target",
496 .type = QEMU_OPT_STRING,
497 }, {
498 .name = "arg",
499 .type = QEMU_OPT_STRING,
500 },
501 { /* end of list */ }
502 },
503 };
504
505 static QemuOptsList qemu_fw_cfg_opts = {
506 .name = "fw_cfg",
507 .implied_opt_name = "name",
508 .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head),
509 .desc = {
510 {
511 .name = "name",
512 .type = QEMU_OPT_STRING,
513 .help = "Sets the fw_cfg name of the blob to be inserted",
514 }, {
515 .name = "file",
516 .type = QEMU_OPT_STRING,
517 .help = "Sets the name of the file from which\n"
518 "the fw_cfg blob will be loaded",
519 }, {
520 .name = "string",
521 .type = QEMU_OPT_STRING,
522 .help = "Sets content of the blob to be inserted from a string",
523 },
524 { /* end of list */ }
525 },
526 };
527
528 /**
529 * Get machine options
530 *
531 * Returns: machine options (never null).
532 */
533 QemuOpts *qemu_get_machine_opts(void)
534 {
535 return qemu_find_opts_singleton("machine");
536 }
537
538 const char *qemu_get_vm_name(void)
539 {
540 return qemu_name;
541 }
542
543 static void res_free(void)
544 {
545 g_free(boot_splash_filedata);
546 boot_splash_filedata = NULL;
547 }
548
549 static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
550 {
551 const char *driver = qemu_opt_get(opts, "driver");
552 int i;
553
554 if (!driver)
555 return 0;
556 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
557 if (strcmp(default_list[i].driver, driver) != 0)
558 continue;
559 *(default_list[i].flag) = 0;
560 }
561 return 0;
562 }
563
564 /***********************************************************/
565 /* QEMU state */
566
567 static RunState current_run_state = RUN_STATE_PRELAUNCH;
568
569 /* We use RUN_STATE__MAX but any invalid value will do */
570 static RunState vmstop_requested = RUN_STATE__MAX;
571 static QemuMutex vmstop_lock;
572
573 typedef struct {
574 RunState from;
575 RunState to;
576 } RunStateTransition;
577
578 static const RunStateTransition runstate_transitions_def[] = {
579 /* from -> to */
580 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
581 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
582 { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH },
583
584 { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR },
585 { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR },
586 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
587 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
588 { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN },
589 { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED },
590 { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG },
591 { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED },
592 { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE },
593 { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
594 { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE },
595
596 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
597 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
598 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH },
599
600 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
601 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
602 { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH },
603
604 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
605 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
606 { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH },
607
608 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
609 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
610 { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH },
611
612 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
613 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
614 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
615
616 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
617 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
618 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH },
619
620 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
621 { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH },
622
623 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
624 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
625 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
626 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
627 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
628 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
629 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
630 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
631 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
632 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
633
634 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
635
636 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
637 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
638 { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH },
639
640 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
641 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
642 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
643 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
644 { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH },
645
646 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
647 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
648 { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH },
649
650 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
651 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
652 { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH },
653
654 { RUN_STATE__MAX, RUN_STATE__MAX },
655 };
656
657 static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX];
658
659 bool runstate_check(RunState state)
660 {
661 return current_run_state == state;
662 }
663
664 bool runstate_store(char *str, size_t size)
665 {
666 const char *state = RunState_lookup[current_run_state];
667 size_t len = strlen(state) + 1;
668
669 if (len > size) {
670 return false;
671 }
672 memcpy(str, state, len);
673 return true;
674 }
675
676 static void runstate_init(void)
677 {
678 const RunStateTransition *p;
679
680 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
681 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) {
682 runstate_valid_transitions[p->from][p->to] = true;
683 }
684
685 qemu_mutex_init(&vmstop_lock);
686 }
687
688 /* This function will abort() on invalid state transitions */
689 void runstate_set(RunState new_state)
690 {
691 assert(new_state < RUN_STATE__MAX);
692
693 if (current_run_state == new_state) {
694 return;
695 }
696
697 if (!runstate_valid_transitions[current_run_state][new_state]) {
698 error_report("invalid runstate transition: '%s' -> '%s'",
699 RunState_lookup[current_run_state],
700 RunState_lookup[new_state]);
701 abort();
702 }
703 trace_runstate_set(new_state);
704 current_run_state = new_state;
705 }
706
707 int runstate_is_running(void)
708 {
709 return runstate_check(RUN_STATE_RUNNING);
710 }
711
712 bool runstate_needs_reset(void)
713 {
714 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
715 runstate_check(RUN_STATE_SHUTDOWN);
716 }
717
718 StatusInfo *qmp_query_status(Error **errp)
719 {
720 StatusInfo *info = g_malloc0(sizeof(*info));
721
722 info->running = runstate_is_running();
723 info->singlestep = singlestep;
724 info->status = current_run_state;
725
726 return info;
727 }
728
729 static bool qemu_vmstop_requested(RunState *r)
730 {
731 qemu_mutex_lock(&vmstop_lock);
732 *r = vmstop_requested;
733 vmstop_requested = RUN_STATE__MAX;
734 qemu_mutex_unlock(&vmstop_lock);
735 return *r < RUN_STATE__MAX;
736 }
737
738 void qemu_system_vmstop_request_prepare(void)
739 {
740 qemu_mutex_lock(&vmstop_lock);
741 }
742
743 void qemu_system_vmstop_request(RunState state)
744 {
745 vmstop_requested = state;
746 qemu_mutex_unlock(&vmstop_lock);
747 qemu_notify_event();
748 }
749
750 void vm_start(void)
751 {
752 RunState requested;
753
754 qemu_vmstop_requested(&requested);
755 if (runstate_is_running() && requested == RUN_STATE__MAX) {
756 return;
757 }
758
759 /* Ensure that a STOP/RESUME pair of events is emitted if a
760 * vmstop request was pending. The BLOCK_IO_ERROR event, for
761 * example, according to documentation is always followed by
762 * the STOP event.
763 */
764 if (runstate_is_running()) {
765 qapi_event_send_stop(&error_abort);
766 } else {
767 cpu_enable_ticks();
768 runstate_set(RUN_STATE_RUNNING);
769 vm_state_notify(1, RUN_STATE_RUNNING);
770 resume_all_vcpus();
771 }
772
773 qapi_event_send_resume(&error_abort);
774 }
775
776
777 /***********************************************************/
778 /* real time host monotonic timer */
779
780 static time_t qemu_time(void)
781 {
782 return qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000;
783 }
784
785 /***********************************************************/
786 /* host time/date access */
787 void qemu_get_timedate(struct tm *tm, int offset)
788 {
789 time_t ti = qemu_time();
790
791 ti += offset;
792 if (rtc_date_offset == -1) {
793 if (rtc_utc)
794 gmtime_r(&ti, tm);
795 else
796 localtime_r(&ti, tm);
797 } else {
798 ti -= rtc_date_offset;
799 gmtime_r(&ti, tm);
800 }
801 }
802
803 int qemu_timedate_diff(struct tm *tm)
804 {
805 time_t seconds;
806
807 if (rtc_date_offset == -1)
808 if (rtc_utc)
809 seconds = mktimegm(tm);
810 else {
811 struct tm tmp = *tm;
812 tmp.tm_isdst = -1; /* use timezone to figure it out */
813 seconds = mktime(&tmp);
814 }
815 else
816 seconds = mktimegm(tm) + rtc_date_offset;
817
818 return seconds - qemu_time();
819 }
820
821 static void configure_rtc_date_offset(const char *startdate, int legacy)
822 {
823 time_t rtc_start_date;
824 struct tm tm;
825
826 if (!strcmp(startdate, "now") && legacy) {
827 rtc_date_offset = -1;
828 } else {
829 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
830 &tm.tm_year,
831 &tm.tm_mon,
832 &tm.tm_mday,
833 &tm.tm_hour,
834 &tm.tm_min,
835 &tm.tm_sec) == 6) {
836 /* OK */
837 } else if (sscanf(startdate, "%d-%d-%d",
838 &tm.tm_year,
839 &tm.tm_mon,
840 &tm.tm_mday) == 3) {
841 tm.tm_hour = 0;
842 tm.tm_min = 0;
843 tm.tm_sec = 0;
844 } else {
845 goto date_fail;
846 }
847 tm.tm_year -= 1900;
848 tm.tm_mon--;
849 rtc_start_date = mktimegm(&tm);
850 if (rtc_start_date == -1) {
851 date_fail:
852 error_report("invalid date format");
853 error_printf("valid formats: "
854 "'2006-06-17T16:01:21' or '2006-06-17'\n");
855 exit(1);
856 }
857 rtc_date_offset = qemu_time() - rtc_start_date;
858 }
859 }
860
861 static void configure_rtc(QemuOpts *opts)
862 {
863 const char *value;
864
865 value = qemu_opt_get(opts, "base");
866 if (value) {
867 if (!strcmp(value, "utc")) {
868 rtc_utc = 1;
869 } else if (!strcmp(value, "localtime")) {
870 Error *blocker = NULL;
871 rtc_utc = 0;
872 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED,
873 "-rtc base=localtime");
874 replay_add_blocker(blocker);
875 } else {
876 configure_rtc_date_offset(value, 0);
877 }
878 }
879 value = qemu_opt_get(opts, "clock");
880 if (value) {
881 if (!strcmp(value, "host")) {
882 rtc_clock = QEMU_CLOCK_HOST;
883 } else if (!strcmp(value, "rt")) {
884 rtc_clock = QEMU_CLOCK_REALTIME;
885 } else if (!strcmp(value, "vm")) {
886 rtc_clock = QEMU_CLOCK_VIRTUAL;
887 } else {
888 error_report("invalid option value '%s'", value);
889 exit(1);
890 }
891 }
892 value = qemu_opt_get(opts, "driftfix");
893 if (value) {
894 if (!strcmp(value, "slew")) {
895 static GlobalProperty slew_lost_ticks = {
896 .driver = "mc146818rtc",
897 .property = "lost_tick_policy",
898 .value = "slew",
899 };
900
901 qdev_prop_register_global(&slew_lost_ticks);
902 } else if (!strcmp(value, "none")) {
903 /* discard is default */
904 } else {
905 error_report("invalid option value '%s'", value);
906 exit(1);
907 }
908 }
909 }
910
911 /***********************************************************/
912 /* Bluetooth support */
913 static int nb_hcis;
914 static int cur_hci;
915 static struct HCIInfo *hci_table[MAX_NICS];
916
917 struct HCIInfo *qemu_next_hci(void)
918 {
919 if (cur_hci == nb_hcis)
920 return &null_hci;
921
922 return hci_table[cur_hci++];
923 }
924
925 static int bt_hci_parse(const char *str)
926 {
927 struct HCIInfo *hci;
928 bdaddr_t bdaddr;
929
930 if (nb_hcis >= MAX_NICS) {
931 error_report("too many bluetooth HCIs (max %i)", MAX_NICS);
932 return -1;
933 }
934
935 hci = hci_init(str);
936 if (!hci)
937 return -1;
938
939 bdaddr.b[0] = 0x52;
940 bdaddr.b[1] = 0x54;
941 bdaddr.b[2] = 0x00;
942 bdaddr.b[3] = 0x12;
943 bdaddr.b[4] = 0x34;
944 bdaddr.b[5] = 0x56 + nb_hcis;
945 hci->bdaddr_set(hci, bdaddr.b);
946
947 hci_table[nb_hcis++] = hci;
948
949 return 0;
950 }
951
952 static void bt_vhci_add(int vlan_id)
953 {
954 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
955
956 if (!vlan->slave)
957 error_report("warning: adding a VHCI to an empty scatternet %i",
958 vlan_id);
959
960 bt_vhci_init(bt_new_hci(vlan));
961 }
962
963 static struct bt_device_s *bt_device_add(const char *opt)
964 {
965 struct bt_scatternet_s *vlan;
966 int vlan_id = 0;
967 char *endp = strstr(opt, ",vlan=");
968 int len = (endp ? endp - opt : strlen(opt)) + 1;
969 char devname[10];
970
971 pstrcpy(devname, MIN(sizeof(devname), len), opt);
972
973 if (endp) {
974 vlan_id = strtol(endp + 6, &endp, 0);
975 if (*endp) {
976 error_report("unrecognised bluetooth vlan Id");
977 return 0;
978 }
979 }
980
981 vlan = qemu_find_bt_vlan(vlan_id);
982
983 if (!vlan->slave)
984 error_report("warning: adding a slave device to an empty scatternet %i",
985 vlan_id);
986
987 if (!strcmp(devname, "keyboard"))
988 return bt_keyboard_init(vlan);
989
990 error_report("unsupported bluetooth device '%s'", devname);
991 return 0;
992 }
993
994 static int bt_parse(const char *opt)
995 {
996 const char *endp, *p;
997 int vlan;
998
999 if (strstart(opt, "hci", &endp)) {
1000 if (!*endp || *endp == ',') {
1001 if (*endp)
1002 if (!strstart(endp, ",vlan=", 0))
1003 opt = endp + 1;
1004
1005 return bt_hci_parse(opt);
1006 }
1007 } else if (strstart(opt, "vhci", &endp)) {
1008 if (!*endp || *endp == ',') {
1009 if (*endp) {
1010 if (strstart(endp, ",vlan=", &p)) {
1011 vlan = strtol(p, (char **) &endp, 0);
1012 if (*endp) {
1013 error_report("bad scatternet '%s'", p);
1014 return 1;
1015 }
1016 } else {
1017 error_report("bad parameter '%s'", endp + 1);
1018 return 1;
1019 }
1020 } else
1021 vlan = 0;
1022
1023 bt_vhci_add(vlan);
1024 return 0;
1025 }
1026 } else if (strstart(opt, "device:", &endp))
1027 return !bt_device_add(endp);
1028
1029 error_report("bad bluetooth parameter '%s'", opt);
1030 return 1;
1031 }
1032
1033 static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
1034 {
1035 /* FIXME: change this to true for 1.3 */
1036 if (qemu_opt_get_bool(opts, "enable", false)) {
1037 #ifdef CONFIG_SECCOMP
1038 if (seccomp_start() < 0) {
1039 error_report("failed to install seccomp syscall filter "
1040 "in the kernel");
1041 return -1;
1042 }
1043 #else
1044 error_report("seccomp support is disabled");
1045 return -1;
1046 #endif
1047 }
1048
1049 return 0;
1050 }
1051
1052 static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
1053 {
1054 const char *proc_name;
1055
1056 if (qemu_opt_get(opts, "debug-threads")) {
1057 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1058 }
1059 qemu_name = qemu_opt_get(opts, "guest");
1060
1061 proc_name = qemu_opt_get(opts, "process");
1062 if (proc_name) {
1063 os_set_proc_name(proc_name);
1064 }
1065
1066 return 0;
1067 }
1068
1069 bool defaults_enabled(void)
1070 {
1071 return has_defaults;
1072 }
1073
1074 bool usb_enabled(void)
1075 {
1076 return machine_usb(current_machine);
1077 }
1078
1079 #ifndef _WIN32
1080 static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1081 {
1082 int fd, dupfd, flags;
1083 int64_t fdset_id;
1084 const char *fd_opaque = NULL;
1085 AddfdInfo *fdinfo;
1086
1087 fd = qemu_opt_get_number(opts, "fd", -1);
1088 fdset_id = qemu_opt_get_number(opts, "set", -1);
1089 fd_opaque = qemu_opt_get(opts, "opaque");
1090
1091 if (fd < 0) {
1092 error_report("fd option is required and must be non-negative");
1093 return -1;
1094 }
1095
1096 if (fd <= STDERR_FILENO) {
1097 error_report("fd cannot be a standard I/O stream");
1098 return -1;
1099 }
1100
1101 /*
1102 * All fds inherited across exec() necessarily have FD_CLOEXEC
1103 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1104 */
1105 flags = fcntl(fd, F_GETFD);
1106 if (flags == -1 || (flags & FD_CLOEXEC)) {
1107 error_report("fd is not valid or already in use");
1108 return -1;
1109 }
1110
1111 if (fdset_id < 0) {
1112 error_report("set option is required and must be non-negative");
1113 return -1;
1114 }
1115
1116 #ifdef F_DUPFD_CLOEXEC
1117 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1118 #else
1119 dupfd = dup(fd);
1120 if (dupfd != -1) {
1121 qemu_set_cloexec(dupfd);
1122 }
1123 #endif
1124 if (dupfd == -1) {
1125 error_report("error duplicating fd: %s", strerror(errno));
1126 return -1;
1127 }
1128
1129 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1130 fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque,
1131 &error_abort);
1132 g_free(fdinfo);
1133
1134 return 0;
1135 }
1136
1137 static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
1138 {
1139 int fd;
1140
1141 fd = qemu_opt_get_number(opts, "fd", -1);
1142 close(fd);
1143
1144 return 0;
1145 }
1146 #endif
1147
1148 /***********************************************************/
1149 /* QEMU Block devices */
1150
1151 #define HD_OPTS "media=disk"
1152 #define CDROM_OPTS "media=cdrom"
1153 #define FD_OPTS ""
1154 #define PFLASH_OPTS ""
1155 #define MTD_OPTS ""
1156 #define SD_OPTS ""
1157
1158 static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
1159 {
1160 BlockInterfaceType *block_default_type = opaque;
1161
1162 return drive_new(opts, *block_default_type) == NULL;
1163 }
1164
1165 static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
1166 {
1167 if (qemu_opt_get(opts, "snapshot") == NULL) {
1168 qemu_opt_set(opts, "snapshot", "on", &error_abort);
1169 }
1170 return 0;
1171 }
1172
1173 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1174 int index, const char *optstr)
1175 {
1176 QemuOpts *opts;
1177 DriveInfo *dinfo;
1178
1179 if (!enable || drive_get_by_index(type, index)) {
1180 return;
1181 }
1182
1183 opts = drive_add(type, index, NULL, optstr);
1184 if (snapshot) {
1185 drive_enable_snapshot(NULL, opts, NULL);
1186 }
1187
1188 dinfo = drive_new(opts, type);
1189 if (!dinfo) {
1190 exit(1);
1191 }
1192 dinfo->is_default = true;
1193
1194 }
1195
1196 static QemuOptsList qemu_smp_opts = {
1197 .name = "smp-opts",
1198 .implied_opt_name = "cpus",
1199 .merge_lists = true,
1200 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1201 .desc = {
1202 {
1203 .name = "cpus",
1204 .type = QEMU_OPT_NUMBER,
1205 }, {
1206 .name = "sockets",
1207 .type = QEMU_OPT_NUMBER,
1208 }, {
1209 .name = "cores",
1210 .type = QEMU_OPT_NUMBER,
1211 }, {
1212 .name = "threads",
1213 .type = QEMU_OPT_NUMBER,
1214 }, {
1215 .name = "maxcpus",
1216 .type = QEMU_OPT_NUMBER,
1217 },
1218 { /*End of list */ }
1219 },
1220 };
1221
1222 static void smp_parse(QemuOpts *opts)
1223 {
1224 if (opts) {
1225
1226 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1227 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1228 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1229 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1230
1231 /* compute missing values, prefer sockets over cores over threads */
1232 if (cpus == 0 || sockets == 0) {
1233 sockets = sockets > 0 ? sockets : 1;
1234 cores = cores > 0 ? cores : 1;
1235 threads = threads > 0 ? threads : 1;
1236 if (cpus == 0) {
1237 cpus = cores * threads * sockets;
1238 }
1239 } else if (cores == 0) {
1240 threads = threads > 0 ? threads : 1;
1241 cores = cpus / (sockets * threads);
1242 } else if (threads == 0) {
1243 threads = cpus / (cores * sockets);
1244 } else if (sockets * cores * threads < cpus) {
1245 error_report("cpu topology: "
1246 "sockets (%u) * cores (%u) * threads (%u) < "
1247 "smp_cpus (%u)",
1248 sockets, cores, threads, cpus);
1249 exit(1);
1250 }
1251
1252 max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
1253 if (sockets * cores * threads > max_cpus) {
1254 error_report("cpu topology: "
1255 "sockets (%u) * cores (%u) * threads (%u) > "
1256 "maxcpus (%u)",
1257 sockets, cores, threads, max_cpus);
1258 exit(1);
1259 }
1260
1261 smp_cpus = cpus;
1262 smp_cores = cores > 0 ? cores : 1;
1263 smp_threads = threads > 0 ? threads : 1;
1264
1265 }
1266
1267 if (max_cpus == 0) {
1268 max_cpus = smp_cpus;
1269 }
1270
1271 if (max_cpus > MAX_CPUMASK_BITS) {
1272 error_report("unsupported number of maxcpus");
1273 exit(1);
1274 }
1275 if (max_cpus < smp_cpus) {
1276 error_report("maxcpus must be equal to or greater than smp");
1277 exit(1);
1278 }
1279
1280 if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
1281 Error *blocker = NULL;
1282 error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
1283 replay_add_blocker(blocker);
1284 }
1285 }
1286
1287 static void realtime_init(void)
1288 {
1289 if (enable_mlock) {
1290 if (os_mlock() < 0) {
1291 error_report("locking memory failed");
1292 exit(1);
1293 }
1294 }
1295 }
1296
1297
1298 static void configure_msg(QemuOpts *opts)
1299 {
1300 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1301 }
1302
1303 /***********************************************************/
1304 /* Semihosting */
1305
1306 typedef struct SemihostingConfig {
1307 bool enabled;
1308 SemihostingTarget target;
1309 const char **argv;
1310 int argc;
1311 const char *cmdline; /* concatenated argv */
1312 } SemihostingConfig;
1313
1314 static SemihostingConfig semihosting;
1315
1316 bool semihosting_enabled(void)
1317 {
1318 return semihosting.enabled;
1319 }
1320
1321 SemihostingTarget semihosting_get_target(void)
1322 {
1323 return semihosting.target;
1324 }
1325
1326 const char *semihosting_get_arg(int i)
1327 {
1328 if (i >= semihosting.argc) {
1329 return NULL;
1330 }
1331 return semihosting.argv[i];
1332 }
1333
1334 int semihosting_get_argc(void)
1335 {
1336 return semihosting.argc;
1337 }
1338
1339 const char *semihosting_get_cmdline(void)
1340 {
1341 if (semihosting.cmdline == NULL && semihosting.argc > 0) {
1342 semihosting.cmdline = g_strjoinv(" ", (gchar **)semihosting.argv);
1343 }
1344 return semihosting.cmdline;
1345 }
1346
1347 static int add_semihosting_arg(void *opaque,
1348 const char *name, const char *val,
1349 Error **errp)
1350 {
1351 SemihostingConfig *s = opaque;
1352 if (strcmp(name, "arg") == 0) {
1353 s->argc++;
1354 /* one extra element as g_strjoinv() expects NULL-terminated array */
1355 s->argv = g_realloc(s->argv, (s->argc + 1) * sizeof(void *));
1356 s->argv[s->argc - 1] = val;
1357 s->argv[s->argc] = NULL;
1358 }
1359 return 0;
1360 }
1361
1362 /* Use strings passed via -kernel/-append to initialize semihosting.argv[] */
1363 static inline void semihosting_arg_fallback(const char *file, const char *cmd)
1364 {
1365 char *cmd_token;
1366
1367 /* argv[0] */
1368 add_semihosting_arg(&semihosting, "arg", file, NULL);
1369
1370 /* split -append and initialize argv[1..n] */
1371 cmd_token = strtok(g_strdup(cmd), " ");
1372 while (cmd_token) {
1373 add_semihosting_arg(&semihosting, "arg", cmd_token, NULL);
1374 cmd_token = strtok(NULL, " ");
1375 }
1376 }
1377
1378 /* Now we still need this for compatibility with XEN. */
1379 bool has_igd_gfx_passthru;
1380 static void igd_gfx_passthru(void)
1381 {
1382 has_igd_gfx_passthru = current_machine->igd_gfx_passthru;
1383 }
1384
1385 /***********************************************************/
1386 /* USB devices */
1387
1388 static int usb_device_add(const char *devname)
1389 {
1390 USBDevice *dev = NULL;
1391 #ifndef CONFIG_LINUX
1392 const char *p;
1393 #endif
1394
1395 if (!usb_enabled()) {
1396 return -1;
1397 }
1398
1399 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1400 dev = usbdevice_create(devname);
1401 if (dev)
1402 goto done;
1403
1404 /* the other ones */
1405 #ifndef CONFIG_LINUX
1406 /* only the linux version is qdev-ified, usb-bsd still needs this */
1407 if (strstart(devname, "host:", &p)) {
1408 dev = usb_host_device_open(usb_bus_find(-1), p);
1409 }
1410 #endif
1411 if (!dev)
1412 return -1;
1413
1414 done:
1415 return 0;
1416 }
1417
1418 static int usb_device_del(const char *devname)
1419 {
1420 int bus_num, addr;
1421 const char *p;
1422
1423 if (strstart(devname, "host:", &p)) {
1424 return -1;
1425 }
1426
1427 if (!usb_enabled()) {
1428 return -1;
1429 }
1430
1431 p = strchr(devname, '.');
1432 if (!p)
1433 return -1;
1434 bus_num = strtoul(devname, NULL, 0);
1435 addr = strtoul(p + 1, NULL, 0);
1436
1437 return usb_device_delete_addr(bus_num, addr);
1438 }
1439
1440 static int usb_parse(const char *cmdline)
1441 {
1442 int r;
1443 r = usb_device_add(cmdline);
1444 if (r < 0) {
1445 error_report("could not add USB device '%s'", cmdline);
1446 }
1447 return r;
1448 }
1449
1450 void hmp_usb_add(Monitor *mon, const QDict *qdict)
1451 {
1452 const char *devname = qdict_get_str(qdict, "devname");
1453 if (usb_device_add(devname) < 0) {
1454 error_report("could not add USB device '%s'", devname);
1455 }
1456 }
1457
1458 void hmp_usb_del(Monitor *mon, const QDict *qdict)
1459 {
1460 const char *devname = qdict_get_str(qdict, "devname");
1461 if (usb_device_del(devname) < 0) {
1462 error_report("could not delete USB device '%s'", devname);
1463 }
1464 }
1465
1466 /***********************************************************/
1467 /* machine registration */
1468
1469 MachineState *current_machine;
1470
1471 static MachineClass *find_machine(const char *name)
1472 {
1473 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1474 MachineClass *mc = NULL;
1475
1476 for (el = machines; el; el = el->next) {
1477 MachineClass *temp = el->data;
1478
1479 if (!strcmp(temp->name, name)) {
1480 mc = temp;
1481 break;
1482 }
1483 if (temp->alias &&
1484 !strcmp(temp->alias, name)) {
1485 mc = temp;
1486 break;
1487 }
1488 }
1489
1490 g_slist_free(machines);
1491 return mc;
1492 }
1493
1494 MachineClass *find_default_machine(void)
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 (temp->is_default) {
1503 mc = temp;
1504 break;
1505 }
1506 }
1507
1508 g_slist_free(machines);
1509 return mc;
1510 }
1511
1512 MachineInfoList *qmp_query_machines(Error **errp)
1513 {
1514 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1515 MachineInfoList *mach_list = NULL;
1516
1517 for (el = machines; el; el = el->next) {
1518 MachineClass *mc = el->data;
1519 MachineInfoList *entry;
1520 MachineInfo *info;
1521
1522 info = g_malloc0(sizeof(*info));
1523 if (mc->is_default) {
1524 info->has_is_default = true;
1525 info->is_default = true;
1526 }
1527
1528 if (mc->alias) {
1529 info->has_alias = true;
1530 info->alias = g_strdup(mc->alias);
1531 }
1532
1533 info->name = g_strdup(mc->name);
1534 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1535
1536 entry = g_malloc0(sizeof(*entry));
1537 entry->value = info;
1538 entry->next = mach_list;
1539 mach_list = entry;
1540 }
1541
1542 g_slist_free(machines);
1543 return mach_list;
1544 }
1545
1546 static int machine_help_func(QemuOpts *opts, MachineState *machine)
1547 {
1548 ObjectProperty *prop;
1549 ObjectPropertyIterator iter;
1550
1551 if (!qemu_opt_has_help_opt(opts)) {
1552 return 0;
1553 }
1554
1555 object_property_iter_init(&iter, OBJECT(machine));
1556 while ((prop = object_property_iter_next(&iter))) {
1557 if (!prop->set) {
1558 continue;
1559 }
1560
1561 error_printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name,
1562 prop->name, prop->type);
1563 if (prop->description) {
1564 error_printf(" (%s)\n", prop->description);
1565 } else {
1566 error_printf("\n");
1567 }
1568 }
1569
1570 return 1;
1571 }
1572
1573 /***********************************************************/
1574 /* main execution loop */
1575
1576 struct vm_change_state_entry {
1577 VMChangeStateHandler *cb;
1578 void *opaque;
1579 QLIST_ENTRY (vm_change_state_entry) entries;
1580 };
1581
1582 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1583
1584 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1585 void *opaque)
1586 {
1587 VMChangeStateEntry *e;
1588
1589 e = g_malloc0(sizeof (*e));
1590
1591 e->cb = cb;
1592 e->opaque = opaque;
1593 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1594 return e;
1595 }
1596
1597 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1598 {
1599 QLIST_REMOVE (e, entries);
1600 g_free (e);
1601 }
1602
1603 void vm_state_notify(int running, RunState state)
1604 {
1605 VMChangeStateEntry *e, *next;
1606
1607 trace_vm_state_notify(running, state);
1608
1609 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1610 e->cb(e->opaque, running, state);
1611 }
1612 }
1613
1614 /* reset/shutdown handler */
1615
1616 typedef struct QEMUResetEntry {
1617 QTAILQ_ENTRY(QEMUResetEntry) entry;
1618 QEMUResetHandler *func;
1619 void *opaque;
1620 } QEMUResetEntry;
1621
1622 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1623 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1624 static int reset_requested;
1625 static int shutdown_requested, shutdown_signal = -1;
1626 static pid_t shutdown_pid;
1627 static int powerdown_requested;
1628 static int debug_requested;
1629 static int suspend_requested;
1630 static WakeupReason wakeup_reason;
1631 static NotifierList powerdown_notifiers =
1632 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1633 static NotifierList suspend_notifiers =
1634 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1635 static NotifierList wakeup_notifiers =
1636 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1637 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1638
1639 int qemu_shutdown_requested_get(void)
1640 {
1641 return shutdown_requested;
1642 }
1643
1644 int qemu_reset_requested_get(void)
1645 {
1646 return reset_requested;
1647 }
1648
1649 static int qemu_shutdown_requested(void)
1650 {
1651 return atomic_xchg(&shutdown_requested, 0);
1652 }
1653
1654 static void qemu_kill_report(void)
1655 {
1656 if (!qtest_driver() && shutdown_signal != -1) {
1657 if (shutdown_pid == 0) {
1658 /* This happens for eg ^C at the terminal, so it's worth
1659 * avoiding printing an odd message in that case.
1660 */
1661 error_report("terminating on signal %d", shutdown_signal);
1662 } else {
1663 error_report("terminating on signal %d from pid " FMT_pid,
1664 shutdown_signal, shutdown_pid);
1665 }
1666 shutdown_signal = -1;
1667 }
1668 }
1669
1670 static int qemu_reset_requested(void)
1671 {
1672 int r = reset_requested;
1673 if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) {
1674 reset_requested = 0;
1675 return r;
1676 }
1677 return false;
1678 }
1679
1680 static int qemu_suspend_requested(void)
1681 {
1682 int r = suspend_requested;
1683 if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) {
1684 suspend_requested = 0;
1685 return r;
1686 }
1687 return false;
1688 }
1689
1690 static WakeupReason qemu_wakeup_requested(void)
1691 {
1692 return wakeup_reason;
1693 }
1694
1695 static int qemu_powerdown_requested(void)
1696 {
1697 int r = powerdown_requested;
1698 powerdown_requested = 0;
1699 return r;
1700 }
1701
1702 static int qemu_debug_requested(void)
1703 {
1704 int r = debug_requested;
1705 debug_requested = 0;
1706 return r;
1707 }
1708
1709 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1710 {
1711 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1712
1713 re->func = func;
1714 re->opaque = opaque;
1715 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1716 }
1717
1718 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1719 {
1720 QEMUResetEntry *re;
1721
1722 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1723 if (re->func == func && re->opaque == opaque) {
1724 QTAILQ_REMOVE(&reset_handlers, re, entry);
1725 g_free(re);
1726 return;
1727 }
1728 }
1729 }
1730
1731 void qemu_devices_reset(void)
1732 {
1733 QEMUResetEntry *re, *nre;
1734
1735 /* reset all devices */
1736 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1737 re->func(re->opaque);
1738 }
1739 }
1740
1741 void qemu_system_reset(bool report)
1742 {
1743 MachineClass *mc;
1744
1745 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1746
1747 cpu_synchronize_all_states();
1748
1749 if (mc && mc->reset) {
1750 mc->reset();
1751 } else {
1752 qemu_devices_reset();
1753 }
1754 if (report) {
1755 qapi_event_send_reset(&error_abort);
1756 }
1757 cpu_synchronize_all_post_reset();
1758 }
1759
1760 void qemu_system_guest_panicked(void)
1761 {
1762 if (current_cpu) {
1763 current_cpu->crash_occurred = true;
1764 }
1765 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, &error_abort);
1766 vm_stop(RUN_STATE_GUEST_PANICKED);
1767 }
1768
1769 void qemu_system_reset_request(void)
1770 {
1771 if (no_reboot) {
1772 shutdown_requested = 1;
1773 } else {
1774 reset_requested = 1;
1775 }
1776 cpu_stop_current();
1777 qemu_notify_event();
1778 }
1779
1780 static void qemu_system_suspend(void)
1781 {
1782 pause_all_vcpus();
1783 notifier_list_notify(&suspend_notifiers, NULL);
1784 runstate_set(RUN_STATE_SUSPENDED);
1785 qapi_event_send_suspend(&error_abort);
1786 }
1787
1788 void qemu_system_suspend_request(void)
1789 {
1790 if (runstate_check(RUN_STATE_SUSPENDED)) {
1791 return;
1792 }
1793 suspend_requested = 1;
1794 cpu_stop_current();
1795 qemu_notify_event();
1796 }
1797
1798 void qemu_register_suspend_notifier(Notifier *notifier)
1799 {
1800 notifier_list_add(&suspend_notifiers, notifier);
1801 }
1802
1803 void qemu_system_wakeup_request(WakeupReason reason)
1804 {
1805 trace_system_wakeup_request(reason);
1806
1807 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1808 return;
1809 }
1810 if (!(wakeup_reason_mask & (1 << reason))) {
1811 return;
1812 }
1813 runstate_set(RUN_STATE_RUNNING);
1814 wakeup_reason = reason;
1815 qemu_notify_event();
1816 }
1817
1818 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1819 {
1820 if (enabled) {
1821 wakeup_reason_mask |= (1 << reason);
1822 } else {
1823 wakeup_reason_mask &= ~(1 << reason);
1824 }
1825 }
1826
1827 void qemu_register_wakeup_notifier(Notifier *notifier)
1828 {
1829 notifier_list_add(&wakeup_notifiers, notifier);
1830 }
1831
1832 void qemu_system_killed(int signal, pid_t pid)
1833 {
1834 shutdown_signal = signal;
1835 shutdown_pid = pid;
1836 no_shutdown = 0;
1837
1838 /* Cannot call qemu_system_shutdown_request directly because
1839 * we are in a signal handler.
1840 */
1841 shutdown_requested = 1;
1842 qemu_notify_event();
1843 }
1844
1845 void qemu_system_shutdown_request(void)
1846 {
1847 trace_qemu_system_shutdown_request();
1848 replay_shutdown_request();
1849 shutdown_requested = 1;
1850 qemu_notify_event();
1851 }
1852
1853 static void qemu_system_powerdown(void)
1854 {
1855 qapi_event_send_powerdown(&error_abort);
1856 notifier_list_notify(&powerdown_notifiers, NULL);
1857 }
1858
1859 void qemu_system_powerdown_request(void)
1860 {
1861 trace_qemu_system_powerdown_request();
1862 powerdown_requested = 1;
1863 qemu_notify_event();
1864 }
1865
1866 void qemu_register_powerdown_notifier(Notifier *notifier)
1867 {
1868 notifier_list_add(&powerdown_notifiers, notifier);
1869 }
1870
1871 void qemu_system_debug_request(void)
1872 {
1873 debug_requested = 1;
1874 qemu_notify_event();
1875 }
1876
1877 static bool main_loop_should_exit(void)
1878 {
1879 RunState r;
1880 if (qemu_debug_requested()) {
1881 vm_stop(RUN_STATE_DEBUG);
1882 }
1883 if (qemu_suspend_requested()) {
1884 qemu_system_suspend();
1885 }
1886 if (qemu_shutdown_requested()) {
1887 qemu_kill_report();
1888 qapi_event_send_shutdown(&error_abort);
1889 if (no_shutdown) {
1890 vm_stop(RUN_STATE_SHUTDOWN);
1891 } else {
1892 return true;
1893 }
1894 }
1895 if (qemu_reset_requested()) {
1896 pause_all_vcpus();
1897 qemu_system_reset(VMRESET_REPORT);
1898 resume_all_vcpus();
1899 if (!runstate_check(RUN_STATE_RUNNING) &&
1900 !runstate_check(RUN_STATE_INMIGRATE)) {
1901 runstate_set(RUN_STATE_PRELAUNCH);
1902 }
1903 }
1904 if (qemu_wakeup_requested()) {
1905 pause_all_vcpus();
1906 qemu_system_reset(VMRESET_SILENT);
1907 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1908 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1909 resume_all_vcpus();
1910 qapi_event_send_wakeup(&error_abort);
1911 }
1912 if (qemu_powerdown_requested()) {
1913 qemu_system_powerdown();
1914 }
1915 if (qemu_vmstop_requested(&r)) {
1916 vm_stop(r);
1917 }
1918 return false;
1919 }
1920
1921 static void main_loop(void)
1922 {
1923 bool nonblocking;
1924 int last_io = 0;
1925 #ifdef CONFIG_PROFILER
1926 int64_t ti;
1927 #endif
1928 do {
1929 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1930 #ifdef CONFIG_PROFILER
1931 ti = profile_getclock();
1932 #endif
1933 last_io = main_loop_wait(nonblocking);
1934 #ifdef CONFIG_PROFILER
1935 dev_time += profile_getclock() - ti;
1936 #endif
1937 } while (!main_loop_should_exit());
1938 }
1939
1940 static void version(void)
1941 {
1942 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1943 }
1944
1945 static void help(int exitcode)
1946 {
1947 version();
1948 printf("usage: %s [options] [disk_image]\n\n"
1949 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1950 error_get_progname());
1951
1952 #define QEMU_OPTIONS_GENERATE_HELP
1953 #include "qemu-options-wrapper.h"
1954
1955 printf("\nDuring emulation, the following keys are useful:\n"
1956 "ctrl-alt-f toggle full screen\n"
1957 "ctrl-alt-n switch to virtual console 'n'\n"
1958 "ctrl-alt toggle mouse and keyboard grab\n"
1959 "\n"
1960 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1961
1962 exit(exitcode);
1963 }
1964
1965 #define HAS_ARG 0x0001
1966
1967 typedef struct QEMUOption {
1968 const char *name;
1969 int flags;
1970 int index;
1971 uint32_t arch_mask;
1972 } QEMUOption;
1973
1974 static const QEMUOption qemu_options[] = {
1975 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1976 #define QEMU_OPTIONS_GENERATE_OPTIONS
1977 #include "qemu-options-wrapper.h"
1978 { NULL },
1979 };
1980
1981 typedef struct VGAInterfaceInfo {
1982 const char *opt_name; /* option name */
1983 const char *name; /* human-readable name */
1984 /* Class names indicating that support is available.
1985 * If no class is specified, the interface is always available */
1986 const char *class_names[2];
1987 } VGAInterfaceInfo;
1988
1989 static VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = {
1990 [VGA_NONE] = {
1991 .opt_name = "none",
1992 },
1993 [VGA_STD] = {
1994 .opt_name = "std",
1995 .name = "standard VGA",
1996 .class_names = { "VGA", "isa-vga" },
1997 },
1998 [VGA_CIRRUS] = {
1999 .opt_name = "cirrus",
2000 .name = "Cirrus VGA",
2001 .class_names = { "cirrus-vga", "isa-cirrus-vga" },
2002 },
2003 [VGA_VMWARE] = {
2004 .opt_name = "vmware",
2005 .name = "VMWare SVGA",
2006 .class_names = { "vmware-svga" },
2007 },
2008 [VGA_VIRTIO] = {
2009 .opt_name = "virtio",
2010 .name = "Virtio VGA",
2011 .class_names = { "virtio-vga" },
2012 },
2013 [VGA_QXL] = {
2014 .opt_name = "qxl",
2015 .name = "QXL VGA",
2016 .class_names = { "qxl-vga" },
2017 },
2018 [VGA_TCX] = {
2019 .opt_name = "tcx",
2020 .name = "TCX framebuffer",
2021 .class_names = { "SUNW,tcx" },
2022 },
2023 [VGA_CG3] = {
2024 .opt_name = "cg3",
2025 .name = "CG3 framebuffer",
2026 .class_names = { "cgthree" },
2027 },
2028 [VGA_XENFB] = {
2029 .opt_name = "xenfb",
2030 },
2031 };
2032
2033 static bool vga_interface_available(VGAInterfaceType t)
2034 {
2035 VGAInterfaceInfo *ti = &vga_interfaces[t];
2036
2037 assert(t < VGA_TYPE_MAX);
2038 return !ti->class_names[0] ||
2039 object_class_by_name(ti->class_names[0]) ||
2040 object_class_by_name(ti->class_names[1]);
2041 }
2042
2043 static void select_vgahw(const char *p)
2044 {
2045 const char *opts;
2046 int t;
2047
2048 assert(vga_interface_type == VGA_NONE);
2049 for (t = 0; t < VGA_TYPE_MAX; t++) {
2050 VGAInterfaceInfo *ti = &vga_interfaces[t];
2051 if (ti->opt_name && strstart(p, ti->opt_name, &opts)) {
2052 if (!vga_interface_available(t)) {
2053 error_report("%s not available", ti->name);
2054 exit(1);
2055 }
2056 vga_interface_type = t;
2057 break;
2058 }
2059 }
2060 if (t == VGA_TYPE_MAX) {
2061 invalid_vga:
2062 error_report("unknown vga type: %s", p);
2063 exit(1);
2064 }
2065 while (*opts) {
2066 const char *nextopt;
2067
2068 if (strstart(opts, ",retrace=", &nextopt)) {
2069 opts = nextopt;
2070 if (strstart(opts, "dumb", &nextopt))
2071 vga_retrace_method = VGA_RETRACE_DUMB;
2072 else if (strstart(opts, "precise", &nextopt))
2073 vga_retrace_method = VGA_RETRACE_PRECISE;
2074 else goto invalid_vga;
2075 } else goto invalid_vga;
2076 opts = nextopt;
2077 }
2078 }
2079
2080 typedef enum DisplayType {
2081 DT_DEFAULT,
2082 DT_CURSES,
2083 DT_SDL,
2084 DT_COCOA,
2085 DT_GTK,
2086 DT_NONE,
2087 } DisplayType;
2088
2089 static DisplayType select_display(const char *p)
2090 {
2091 const char *opts;
2092 DisplayType display = DT_DEFAULT;
2093
2094 if (strstart(p, "sdl", &opts)) {
2095 #ifdef CONFIG_SDL
2096 display = DT_SDL;
2097 while (*opts) {
2098 const char *nextopt;
2099
2100 if (strstart(opts, ",frame=", &nextopt)) {
2101 opts = nextopt;
2102 if (strstart(opts, "on", &nextopt)) {
2103 no_frame = 0;
2104 } else if (strstart(opts, "off", &nextopt)) {
2105 no_frame = 1;
2106 } else {
2107 goto invalid_sdl_args;
2108 }
2109 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2110 opts = nextopt;
2111 if (strstart(opts, "on", &nextopt)) {
2112 alt_grab = 1;
2113 } else if (strstart(opts, "off", &nextopt)) {
2114 alt_grab = 0;
2115 } else {
2116 goto invalid_sdl_args;
2117 }
2118 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2119 opts = nextopt;
2120 if (strstart(opts, "on", &nextopt)) {
2121 ctrl_grab = 1;
2122 } else if (strstart(opts, "off", &nextopt)) {
2123 ctrl_grab = 0;
2124 } else {
2125 goto invalid_sdl_args;
2126 }
2127 } else if (strstart(opts, ",window_close=", &nextopt)) {
2128 opts = nextopt;
2129 if (strstart(opts, "on", &nextopt)) {
2130 no_quit = 0;
2131 } else if (strstart(opts, "off", &nextopt)) {
2132 no_quit = 1;
2133 } else {
2134 goto invalid_sdl_args;
2135 }
2136 } else if (strstart(opts, ",gl=", &nextopt)) {
2137 opts = nextopt;
2138 if (strstart(opts, "on", &nextopt)) {
2139 request_opengl = 1;
2140 } else if (strstart(opts, "off", &nextopt)) {
2141 request_opengl = 0;
2142 } else {
2143 goto invalid_sdl_args;
2144 }
2145 } else {
2146 invalid_sdl_args:
2147 error_report("invalid SDL option string");
2148 exit(1);
2149 }
2150 opts = nextopt;
2151 }
2152 #else
2153 error_report("SDL support is disabled");
2154 exit(1);
2155 #endif
2156 } else if (strstart(p, "vnc", &opts)) {
2157 if (*opts == '=') {
2158 vnc_parse(opts + 1, &error_fatal);
2159 } else {
2160 error_report("VNC requires a display argument vnc=<display>");
2161 exit(1);
2162 }
2163 } else if (strstart(p, "curses", &opts)) {
2164 #ifdef CONFIG_CURSES
2165 display = DT_CURSES;
2166 #else
2167 error_report("curses support is disabled");
2168 exit(1);
2169 #endif
2170 } else if (strstart(p, "gtk", &opts)) {
2171 #ifdef CONFIG_GTK
2172 display = DT_GTK;
2173 while (*opts) {
2174 const char *nextopt;
2175
2176 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2177 opts = nextopt;
2178 if (strstart(opts, "on", &nextopt)) {
2179 grab_on_hover = true;
2180 } else if (strstart(opts, "off", &nextopt)) {
2181 grab_on_hover = false;
2182 } else {
2183 goto invalid_gtk_args;
2184 }
2185 } else if (strstart(opts, ",gl=", &nextopt)) {
2186 opts = nextopt;
2187 if (strstart(opts, "on", &nextopt)) {
2188 request_opengl = 1;
2189 } else if (strstart(opts, "off", &nextopt)) {
2190 request_opengl = 0;
2191 } else {
2192 goto invalid_gtk_args;
2193 }
2194 } else {
2195 invalid_gtk_args:
2196 error_report("invalid GTK option string");
2197 exit(1);
2198 }
2199 opts = nextopt;
2200 }
2201 #else
2202 error_report("GTK support is disabled");
2203 exit(1);
2204 #endif
2205 } else if (strstart(p, "none", &opts)) {
2206 display = DT_NONE;
2207 } else {
2208 error_report("unknown display type");
2209 exit(1);
2210 }
2211
2212 return display;
2213 }
2214
2215 static int balloon_parse(const char *arg)
2216 {
2217 QemuOpts *opts;
2218
2219 if (strcmp(arg, "none") == 0) {
2220 return 0;
2221 }
2222
2223 if (!strncmp(arg, "virtio", 6)) {
2224 if (arg[6] == ',') {
2225 /* have params -> parse them */
2226 opts = qemu_opts_parse_noisily(qemu_find_opts("device"), arg + 7,
2227 false);
2228 if (!opts)
2229 return -1;
2230 } else {
2231 /* create empty opts */
2232 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2233 &error_abort);
2234 }
2235 qemu_opt_set(opts, "driver", "virtio-balloon", &error_abort);
2236 return 0;
2237 }
2238
2239 return -1;
2240 }
2241
2242 char *qemu_find_file(int type, const char *name)
2243 {
2244 int i;
2245 const char *subdir;
2246 char *buf;
2247
2248 /* Try the name as a straight path first */
2249 if (access(name, R_OK) == 0) {
2250 trace_load_file(name, name);
2251 return g_strdup(name);
2252 }
2253
2254 switch (type) {
2255 case QEMU_FILE_TYPE_BIOS:
2256 subdir = "";
2257 break;
2258 case QEMU_FILE_TYPE_KEYMAP:
2259 subdir = "keymaps/";
2260 break;
2261 default:
2262 abort();
2263 }
2264
2265 for (i = 0; i < data_dir_idx; i++) {
2266 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2267 if (access(buf, R_OK) == 0) {
2268 trace_load_file(name, buf);
2269 return buf;
2270 }
2271 g_free(buf);
2272 }
2273 return NULL;
2274 }
2275
2276 static inline bool nonempty_str(const char *str)
2277 {
2278 return str && *str;
2279 }
2280
2281 static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp)
2282 {
2283 gchar *buf;
2284 size_t size;
2285 const char *name, *file, *str;
2286 FWCfgState *fw_cfg = (FWCfgState *) opaque;
2287
2288 if (fw_cfg == NULL) {
2289 error_report("fw_cfg device not available");
2290 return -1;
2291 }
2292 name = qemu_opt_get(opts, "name");
2293 file = qemu_opt_get(opts, "file");
2294 str = qemu_opt_get(opts, "string");
2295
2296 /* we need name and either a file or the content string */
2297 if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) {
2298 error_report("invalid argument(s)");
2299 return -1;
2300 }
2301 if (nonempty_str(file) && nonempty_str(str)) {
2302 error_report("file and string are mutually exclusive");
2303 return -1;
2304 }
2305 if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) {
2306 error_report("name too long (max. %d char)", FW_CFG_MAX_FILE_PATH - 1);
2307 return -1;
2308 }
2309 if (strncmp(name, "opt/", 4) != 0) {
2310 error_report("warning: externally provided fw_cfg item names "
2311 "should be prefixed with \"opt/\"");
2312 }
2313 if (nonempty_str(str)) {
2314 size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
2315 buf = g_memdup(str, size);
2316 } else {
2317 if (!g_file_get_contents(file, &buf, &size, NULL)) {
2318 error_report("can't load %s", file);
2319 return -1;
2320 }
2321 }
2322 /* For legacy, keep user files in a specific global order. */
2323 fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER);
2324 fw_cfg_add_file(fw_cfg, name, buf, size);
2325 fw_cfg_reset_order_override(fw_cfg);
2326 return 0;
2327 }
2328
2329 static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
2330 {
2331 return qdev_device_help(opts);
2332 }
2333
2334 static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
2335 {
2336 Error *err = NULL;
2337 DeviceState *dev;
2338
2339 dev = qdev_device_add(opts, &err);
2340 if (!dev) {
2341 error_report_err(err);
2342 return -1;
2343 }
2344 object_unref(OBJECT(dev));
2345 return 0;
2346 }
2347
2348 static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2349 {
2350 Error *local_err = NULL;
2351
2352 qemu_chr_new_from_opts(opts, NULL, &local_err);
2353 if (local_err) {
2354 error_report_err(local_err);
2355 return -1;
2356 }
2357 return 0;
2358 }
2359
2360 #ifdef CONFIG_VIRTFS
2361 static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
2362 {
2363 int ret;
2364 ret = qemu_fsdev_add(opts);
2365
2366 return ret;
2367 }
2368 #endif
2369
2370 static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
2371 {
2372 CharDriverState *chr;
2373 const char *chardev;
2374 const char *mode;
2375 int flags;
2376
2377 mode = qemu_opt_get(opts, "mode");
2378 if (mode == NULL) {
2379 mode = "readline";
2380 }
2381 if (strcmp(mode, "readline") == 0) {
2382 flags = MONITOR_USE_READLINE;
2383 } else if (strcmp(mode, "control") == 0) {
2384 flags = MONITOR_USE_CONTROL;
2385 } else {
2386 error_report("unknown monitor mode \"%s\"", mode);
2387 exit(1);
2388 }
2389
2390 if (qemu_opt_get_bool(opts, "pretty", 0))
2391 flags |= MONITOR_USE_PRETTY;
2392
2393 if (qemu_opt_get_bool(opts, "default", 0))
2394 flags |= MONITOR_IS_DEFAULT;
2395
2396 chardev = qemu_opt_get(opts, "chardev");
2397 chr = qemu_chr_find(chardev);
2398 if (chr == NULL) {
2399 error_report("chardev \"%s\" not found", chardev);
2400 exit(1);
2401 }
2402
2403 qemu_chr_fe_claim_no_fail(chr);
2404 monitor_init(chr, flags);
2405 return 0;
2406 }
2407
2408 static void monitor_parse(const char *optarg, const char *mode, bool pretty)
2409 {
2410 static int monitor_device_index = 0;
2411 QemuOpts *opts;
2412 const char *p;
2413 char label[32];
2414 int def = 0;
2415
2416 if (strstart(optarg, "chardev:", &p)) {
2417 snprintf(label, sizeof(label), "%s", p);
2418 } else {
2419 snprintf(label, sizeof(label), "compat_monitor%d",
2420 monitor_device_index);
2421 if (monitor_device_index == 0) {
2422 def = 1;
2423 }
2424 opts = qemu_chr_parse_compat(label, optarg);
2425 if (!opts) {
2426 error_report("parse error: %s", optarg);
2427 exit(1);
2428 }
2429 }
2430
2431 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal);
2432 qemu_opt_set(opts, "mode", mode, &error_abort);
2433 qemu_opt_set(opts, "chardev", label, &error_abort);
2434 qemu_opt_set_bool(opts, "pretty", pretty, &error_abort);
2435 if (def)
2436 qemu_opt_set(opts, "default", "on", &error_abort);
2437 monitor_device_index++;
2438 }
2439
2440 struct device_config {
2441 enum {
2442 DEV_USB, /* -usbdevice */
2443 DEV_BT, /* -bt */
2444 DEV_SERIAL, /* -serial */
2445 DEV_PARALLEL, /* -parallel */
2446 DEV_VIRTCON, /* -virtioconsole */
2447 DEV_DEBUGCON, /* -debugcon */
2448 DEV_GDB, /* -gdb, -s */
2449 DEV_SCLP, /* s390 sclp */
2450 } type;
2451 const char *cmdline;
2452 Location loc;
2453 QTAILQ_ENTRY(device_config) next;
2454 };
2455
2456 static QTAILQ_HEAD(, device_config) device_configs =
2457 QTAILQ_HEAD_INITIALIZER(device_configs);
2458
2459 static void add_device_config(int type, const char *cmdline)
2460 {
2461 struct device_config *conf;
2462
2463 conf = g_malloc0(sizeof(*conf));
2464 conf->type = type;
2465 conf->cmdline = cmdline;
2466 loc_save(&conf->loc);
2467 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2468 }
2469
2470 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2471 {
2472 struct device_config *conf;
2473 int rc;
2474
2475 QTAILQ_FOREACH(conf, &device_configs, next) {
2476 if (conf->type != type)
2477 continue;
2478 loc_push_restore(&conf->loc);
2479 rc = func(conf->cmdline);
2480 loc_pop(&conf->loc);
2481 if (rc) {
2482 return rc;
2483 }
2484 }
2485 return 0;
2486 }
2487
2488 static int serial_parse(const char *devname)
2489 {
2490 static int index = 0;
2491 char label[32];
2492
2493 if (strcmp(devname, "none") == 0)
2494 return 0;
2495 if (index == MAX_SERIAL_PORTS) {
2496 error_report("too many serial ports");
2497 exit(1);
2498 }
2499 snprintf(label, sizeof(label), "serial%d", index);
2500 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2501 if (!serial_hds[index]) {
2502 error_report("could not connect serial device"
2503 " to character backend '%s'", devname);
2504 return -1;
2505 }
2506 index++;
2507 return 0;
2508 }
2509
2510 static int parallel_parse(const char *devname)
2511 {
2512 static int index = 0;
2513 char label[32];
2514
2515 if (strcmp(devname, "none") == 0)
2516 return 0;
2517 if (index == MAX_PARALLEL_PORTS) {
2518 error_report("too many parallel ports");
2519 exit(1);
2520 }
2521 snprintf(label, sizeof(label), "parallel%d", index);
2522 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2523 if (!parallel_hds[index]) {
2524 error_report("could not connect parallel device"
2525 " to character backend '%s'", devname);
2526 return -1;
2527 }
2528 index++;
2529 return 0;
2530 }
2531
2532 static int virtcon_parse(const char *devname)
2533 {
2534 QemuOptsList *device = qemu_find_opts("device");
2535 static int index = 0;
2536 char label[32];
2537 QemuOpts *bus_opts, *dev_opts;
2538
2539 if (strcmp(devname, "none") == 0)
2540 return 0;
2541 if (index == MAX_VIRTIO_CONSOLES) {
2542 error_report("too many virtio consoles");
2543 exit(1);
2544 }
2545
2546 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2547 qemu_opt_set(bus_opts, "driver", "virtio-serial", &error_abort);
2548
2549 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2550 qemu_opt_set(dev_opts, "driver", "virtconsole", &error_abort);
2551
2552 snprintf(label, sizeof(label), "virtcon%d", index);
2553 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2554 if (!virtcon_hds[index]) {
2555 error_report("could not connect virtio console"
2556 " to character backend '%s'", devname);
2557 return -1;
2558 }
2559 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2560
2561 index++;
2562 return 0;
2563 }
2564
2565 static int sclp_parse(const char *devname)
2566 {
2567 QemuOptsList *device = qemu_find_opts("device");
2568 static int index = 0;
2569 char label[32];
2570 QemuOpts *dev_opts;
2571
2572 if (strcmp(devname, "none") == 0) {
2573 return 0;
2574 }
2575 if (index == MAX_SCLP_CONSOLES) {
2576 error_report("too many sclp consoles");
2577 exit(1);
2578 }
2579
2580 assert(arch_type == QEMU_ARCH_S390X);
2581
2582 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2583 qemu_opt_set(dev_opts, "driver", "sclpconsole", &error_abort);
2584
2585 snprintf(label, sizeof(label), "sclpcon%d", index);
2586 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2587 if (!sclp_hds[index]) {
2588 error_report("could not connect sclp console"
2589 " to character backend '%s'", devname);
2590 return -1;
2591 }
2592 qemu_opt_set(dev_opts, "chardev", label, &error_abort);
2593
2594 index++;
2595 return 0;
2596 }
2597
2598 static int debugcon_parse(const char *devname)
2599 {
2600 QemuOpts *opts;
2601
2602 if (!qemu_chr_new("debugcon", devname, NULL)) {
2603 exit(1);
2604 }
2605 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2606 if (!opts) {
2607 error_report("already have a debugcon device");
2608 exit(1);
2609 }
2610 qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort);
2611 qemu_opt_set(opts, "chardev", "debugcon", &error_abort);
2612 return 0;
2613 }
2614
2615 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2616 {
2617 const MachineClass *mc1 = a, *mc2 = b;
2618 int res;
2619
2620 if (mc1->family == NULL) {
2621 if (mc2->family == NULL) {
2622 /* Compare standalone machine types against each other; they sort
2623 * in increasing order.
2624 */
2625 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2626 object_class_get_name(OBJECT_CLASS(mc2)));
2627 }
2628
2629 /* Standalone machine types sort after families. */
2630 return 1;
2631 }
2632
2633 if (mc2->family == NULL) {
2634 /* Families sort before standalone machine types. */
2635 return -1;
2636 }
2637
2638 /* Families sort between each other alphabetically increasingly. */
2639 res = strcmp(mc1->family, mc2->family);
2640 if (res != 0) {
2641 return res;
2642 }
2643
2644 /* Within the same family, machine types sort in decreasing order. */
2645 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2646 object_class_get_name(OBJECT_CLASS(mc1)));
2647 }
2648
2649 static MachineClass *machine_parse(const char *name)
2650 {
2651 MachineClass *mc = NULL;
2652 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2653
2654 if (name) {
2655 mc = find_machine(name);
2656 }
2657 if (mc) {
2658 g_slist_free(machines);
2659 return mc;
2660 }
2661 if (name && !is_help_option(name)) {
2662 error_report("unsupported machine type");
2663 error_printf("Use -machine help to list supported machines\n");
2664 } else {
2665 printf("Supported machines are:\n");
2666 machines = g_slist_sort(machines, machine_class_cmp);
2667 for (el = machines; el; el = el->next) {
2668 MachineClass *mc = el->data;
2669 if (mc->alias) {
2670 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2671 }
2672 printf("%-20s %s%s\n", mc->name, mc->desc,
2673 mc->is_default ? " (default)" : "");
2674 }
2675 }
2676
2677 g_slist_free(machines);
2678 exit(!name || !is_help_option(name));
2679 }
2680
2681 void qemu_add_exit_notifier(Notifier *notify)
2682 {
2683 notifier_list_add(&exit_notifiers, notify);
2684 }
2685
2686 void qemu_remove_exit_notifier(Notifier *notify)
2687 {
2688 notifier_remove(notify);
2689 }
2690
2691 static void qemu_run_exit_notifiers(void)
2692 {
2693 notifier_list_notify(&exit_notifiers, NULL);
2694 }
2695
2696 static bool machine_init_done;
2697
2698 void qemu_add_machine_init_done_notifier(Notifier *notify)
2699 {
2700 notifier_list_add(&machine_init_done_notifiers, notify);
2701 if (machine_init_done) {
2702 notify->notify(notify, NULL);
2703 }
2704 }
2705
2706 static void qemu_run_machine_init_done_notifiers(void)
2707 {
2708 notifier_list_notify(&machine_init_done_notifiers, NULL);
2709 machine_init_done = true;
2710 }
2711
2712 static const QEMUOption *lookup_opt(int argc, char **argv,
2713 const char **poptarg, int *poptind)
2714 {
2715 const QEMUOption *popt;
2716 int optind = *poptind;
2717 char *r = argv[optind];
2718 const char *optarg;
2719
2720 loc_set_cmdline(argv, optind, 1);
2721 optind++;
2722 /* Treat --foo the same as -foo. */
2723 if (r[1] == '-')
2724 r++;
2725 popt = qemu_options;
2726 for(;;) {
2727 if (!popt->name) {
2728 error_report("invalid option");
2729 exit(1);
2730 }
2731 if (!strcmp(popt->name, r + 1))
2732 break;
2733 popt++;
2734 }
2735 if (popt->flags & HAS_ARG) {
2736 if (optind >= argc) {
2737 error_report("requires an argument");
2738 exit(1);
2739 }
2740 optarg = argv[optind++];
2741 loc_set_cmdline(argv, optind - 2, 2);
2742 } else {
2743 optarg = NULL;
2744 }
2745
2746 *poptarg = optarg;
2747 *poptind = optind;
2748
2749 return popt;
2750 }
2751
2752 static MachineClass *select_machine(void)
2753 {
2754 MachineClass *machine_class = find_default_machine();
2755 const char *optarg;
2756 QemuOpts *opts;
2757 Location loc;
2758
2759 loc_push_none(&loc);
2760
2761 opts = qemu_get_machine_opts();
2762 qemu_opts_loc_restore(opts);
2763
2764 optarg = qemu_opt_get(opts, "type");
2765 if (optarg) {
2766 machine_class = machine_parse(optarg);
2767 }
2768
2769 if (!machine_class) {
2770 error_report("No machine specified, and there is no default");
2771 error_printf("Use -machine help to list supported machines\n");
2772 exit(1);
2773 }
2774
2775 loc_pop(&loc);
2776 return machine_class;
2777 }
2778
2779 static int machine_set_property(void *opaque,
2780 const char *name, const char *value,
2781 Error **errp)
2782 {
2783 Object *obj = OBJECT(opaque);
2784 Error *local_err = NULL;
2785 char *c, *qom_name;
2786
2787 if (strcmp(name, "type") == 0) {
2788 return 0;
2789 }
2790
2791 qom_name = g_strdup(name);
2792 c = qom_name;
2793 while (*c++) {
2794 if (*c == '_') {
2795 *c = '-';
2796 }
2797 }
2798
2799 object_property_parse(obj, value, qom_name, &local_err);
2800 g_free(qom_name);
2801
2802 if (local_err) {
2803 error_report_err(local_err);
2804 return -1;
2805 }
2806
2807 return 0;
2808 }
2809
2810
2811 /*
2812 * Initial object creation happens before all other
2813 * QEMU data types are created. The majority of objects
2814 * can be created at this point. The rng-egd object
2815 * cannot be created here, as it depends on the chardev
2816 * already existing.
2817 */
2818 static bool object_create_initial(const char *type)
2819 {
2820 if (g_str_equal(type, "rng-egd")) {
2821 return false;
2822 }
2823
2824 /*
2825 * return false for concrete netfilters since
2826 * they depend on netdevs already existing
2827 */
2828 if (g_str_equal(type, "filter-buffer") ||
2829 g_str_equal(type, "filter-dump") ||
2830 g_str_equal(type, "filter-mirror") ||
2831 g_str_equal(type, "filter-redirector")) {
2832 return false;
2833 }
2834
2835 return true;
2836 }
2837
2838
2839 /*
2840 * The remainder of object creation happens after the
2841 * creation of chardev, fsdev, net clients and device data types.
2842 */
2843 static bool object_create_delayed(const char *type)
2844 {
2845 return !object_create_initial(type);
2846 }
2847
2848
2849 static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size,
2850 MachineClass *mc)
2851 {
2852 uint64_t sz;
2853 const char *mem_str;
2854 const char *maxmem_str, *slots_str;
2855 const ram_addr_t default_ram_size = mc->default_ram_size;
2856 QemuOpts *opts = qemu_find_opts_singleton("memory");
2857 Location loc;
2858
2859 loc_push_none(&loc);
2860 qemu_opts_loc_restore(opts);
2861
2862 sz = 0;
2863 mem_str = qemu_opt_get(opts, "size");
2864 if (mem_str) {
2865 if (!*mem_str) {
2866 error_report("missing 'size' option value");
2867 exit(EXIT_FAILURE);
2868 }
2869
2870 sz = qemu_opt_get_size(opts, "size", ram_size);
2871
2872 /* Fix up legacy suffix-less format */
2873 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
2874 uint64_t overflow_check = sz;
2875
2876 sz <<= 20;
2877 if ((sz >> 20) != overflow_check) {
2878 error_report("too large 'size' option value");
2879 exit(EXIT_FAILURE);
2880 }
2881 }
2882 }
2883
2884 /* backward compatibility behaviour for case "-m 0" */
2885 if (sz == 0) {
2886 sz = default_ram_size;
2887 }
2888
2889 sz = QEMU_ALIGN_UP(sz, 8192);
2890 ram_size = sz;
2891 if (ram_size != sz) {
2892 error_report("ram size too large");
2893 exit(EXIT_FAILURE);
2894 }
2895
2896 /* store value for the future use */
2897 qemu_opt_set_number(opts, "size", ram_size, &error_abort);
2898 *maxram_size = ram_size;
2899
2900 maxmem_str = qemu_opt_get(opts, "maxmem");
2901 slots_str = qemu_opt_get(opts, "slots");
2902 if (maxmem_str && slots_str) {
2903 uint64_t slots;
2904
2905 sz = qemu_opt_get_size(opts, "maxmem", 0);
2906 slots = qemu_opt_get_number(opts, "slots", 0);
2907 if (sz < ram_size) {
2908 error_report("invalid value of -m option maxmem: "
2909 "maximum memory size (0x%" PRIx64 ") must be at least "
2910 "the initial memory size (0x" RAM_ADDR_FMT ")",
2911 sz, ram_size);
2912 exit(EXIT_FAILURE);
2913 } else if (sz > ram_size) {
2914 if (!slots) {
2915 error_report("invalid value of -m option: maxmem was "
2916 "specified, but no hotplug slots were specified");
2917 exit(EXIT_FAILURE);
2918 }
2919 } else if (slots) {
2920 error_report("invalid value of -m option maxmem: "
2921 "memory slots were specified but maximum memory size "
2922 "(0x%" PRIx64 ") is equal to the initial memory size "
2923 "(0x" RAM_ADDR_FMT ")", sz, ram_size);
2924 exit(EXIT_FAILURE);
2925 }
2926
2927 *maxram_size = sz;
2928 *ram_slots = slots;
2929 } else if ((!maxmem_str && slots_str) ||
2930 (maxmem_str && !slots_str)) {
2931 error_report("invalid -m option value: missing "
2932 "'%s' option", slots_str ? "maxmem" : "slots");
2933 exit(EXIT_FAILURE);
2934 }
2935
2936 loc_pop(&loc);
2937 }
2938
2939 int main(int argc, char **argv, char **envp)
2940 {
2941 int i;
2942 int snapshot, linux_boot;
2943 const char *initrd_filename;
2944 const char *kernel_filename, *kernel_cmdline;
2945 const char *boot_order = NULL;
2946 const char *boot_once = NULL;
2947 DisplayState *ds;
2948 int cyls, heads, secs, translation;
2949 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2950 QemuOptsList *olist;
2951 int optind;
2952 const char *optarg;
2953 const char *loadvm = NULL;
2954 MachineClass *machine_class;
2955 const char *cpu_model;
2956 const char *vga_model = NULL;
2957 const char *qtest_chrdev = NULL;
2958 const char *qtest_log = NULL;
2959 const char *pid_file = NULL;
2960 const char *incoming = NULL;
2961 int show_vnc_port = 0;
2962 bool defconfig = true;
2963 bool userconfig = true;
2964 bool nographic = false;
2965 DisplayType display_type = DT_DEFAULT;
2966 int display_remote = 0;
2967 const char *log_mask = NULL;
2968 const char *log_file = NULL;
2969 char *trace_file = NULL;
2970 ram_addr_t maxram_size;
2971 uint64_t ram_slots = 0;
2972 FILE *vmstate_dump_file = NULL;
2973 Error *main_loop_err = NULL;
2974 Error *err = NULL;
2975
2976 qemu_init_cpu_loop();
2977 qemu_mutex_lock_iothread();
2978
2979 atexit(qemu_run_exit_notifiers);
2980 error_set_progname(argv[0]);
2981 qemu_init_exec_dir(argv[0]);
2982
2983 module_call_init(MODULE_INIT_QOM);
2984
2985 qemu_add_opts(&qemu_drive_opts);
2986 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2987 qemu_add_drive_opts(&qemu_common_drive_opts);
2988 qemu_add_drive_opts(&qemu_drive_opts);
2989 qemu_add_opts(&qemu_chardev_opts);
2990 qemu_add_opts(&qemu_device_opts);
2991 qemu_add_opts(&qemu_netdev_opts);
2992 qemu_add_opts(&qemu_net_opts);
2993 qemu_add_opts(&qemu_rtc_opts);
2994 qemu_add_opts(&qemu_global_opts);
2995 qemu_add_opts(&qemu_mon_opts);
2996 qemu_add_opts(&qemu_trace_opts);
2997 qemu_add_opts(&qemu_option_rom_opts);
2998 qemu_add_opts(&qemu_machine_opts);
2999 qemu_add_opts(&qemu_mem_opts);
3000 qemu_add_opts(&qemu_smp_opts);
3001 qemu_add_opts(&qemu_boot_opts);
3002 qemu_add_opts(&qemu_sandbox_opts);
3003 qemu_add_opts(&qemu_add_fd_opts);
3004 qemu_add_opts(&qemu_object_opts);
3005 qemu_add_opts(&qemu_tpmdev_opts);
3006 qemu_add_opts(&qemu_realtime_opts);
3007 qemu_add_opts(&qemu_msg_opts);
3008 qemu_add_opts(&qemu_name_opts);
3009 qemu_add_opts(&qemu_numa_opts);
3010 qemu_add_opts(&qemu_icount_opts);
3011 qemu_add_opts(&qemu_semihosting_config_opts);
3012 qemu_add_opts(&qemu_fw_cfg_opts);
3013 module_call_init(MODULE_INIT_OPTS);
3014
3015 runstate_init();
3016
3017 if (qcrypto_init(&err) < 0) {
3018 error_reportf_err(err, "cannot initialize crypto: ");
3019 exit(1);
3020 }
3021 rtc_clock = QEMU_CLOCK_HOST;
3022
3023 QLIST_INIT (&vm_change_state_head);
3024 os_setup_early_signal_handling();
3025
3026 cpu_model = NULL;
3027 snapshot = 0;
3028 cyls = heads = secs = 0;
3029 translation = BIOS_ATA_TRANSLATION_AUTO;
3030
3031 nb_nics = 0;
3032
3033 bdrv_init_with_whitelist();
3034
3035 autostart = 1;
3036
3037 /* first pass of option parsing */
3038 optind = 1;
3039 while (optind < argc) {
3040 if (argv[optind][0] != '-') {
3041 /* disk image */
3042 optind++;
3043 } else {
3044 const QEMUOption *popt;
3045
3046 popt = lookup_opt(argc, argv, &optarg, &optind);
3047 switch (popt->index) {
3048 case QEMU_OPTION_nodefconfig:
3049 defconfig = false;
3050 break;
3051 case QEMU_OPTION_nouserconfig:
3052 userconfig = false;
3053 break;
3054 }
3055 }
3056 }
3057
3058 if (defconfig) {
3059 int ret;
3060 ret = qemu_read_default_config_files(userconfig);
3061 if (ret < 0) {
3062 exit(1);
3063 }
3064 }
3065
3066 /* second pass of option parsing */
3067 optind = 1;
3068 for(;;) {
3069 if (optind >= argc)
3070 break;
3071 if (argv[optind][0] != '-') {
3072 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
3073 } else {
3074 const QEMUOption *popt;
3075
3076 popt = lookup_opt(argc, argv, &optarg, &optind);
3077 if (!(popt->arch_mask & arch_type)) {
3078 printf("Option %s not supported for this target\n", popt->name);
3079 exit(1);
3080 }
3081 switch(popt->index) {
3082 case QEMU_OPTION_no_kvm_irqchip: {
3083 olist = qemu_find_opts("machine");
3084 qemu_opts_parse_noisily(olist, "kernel_irqchip=off", false);
3085 break;
3086 }
3087 case QEMU_OPTION_cpu:
3088 /* hw initialization will check this */
3089 cpu_model = optarg;
3090 break;
3091 case QEMU_OPTION_hda:
3092 {
3093 char buf[256];
3094 if (cyls == 0)
3095 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
3096 else
3097 snprintf(buf, sizeof(buf),
3098 "%s,cyls=%d,heads=%d,secs=%d%s",
3099 HD_OPTS , cyls, heads, secs,
3100 translation == BIOS_ATA_TRANSLATION_LBA ?
3101 ",trans=lba" :
3102 translation == BIOS_ATA_TRANSLATION_NONE ?
3103 ",trans=none" : "");
3104 drive_add(IF_DEFAULT, 0, optarg, buf);
3105 break;
3106 }
3107 case QEMU_OPTION_hdb:
3108 case QEMU_OPTION_hdc:
3109 case QEMU_OPTION_hdd:
3110 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
3111 HD_OPTS);
3112 break;
3113 case QEMU_OPTION_drive:
3114 if (drive_def(optarg) == NULL) {
3115 exit(1);
3116 }
3117 break;
3118 case QEMU_OPTION_set:
3119 if (qemu_set_option(optarg) != 0)
3120 exit(1);
3121 break;
3122 case QEMU_OPTION_global:
3123 if (qemu_global_option(optarg) != 0)
3124 exit(1);
3125 break;
3126 case QEMU_OPTION_mtdblock:
3127 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
3128 break;
3129 case QEMU_OPTION_sd:
3130 drive_add(IF_SD, -1, optarg, SD_OPTS);
3131 break;
3132 case QEMU_OPTION_pflash:
3133 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
3134 break;
3135 case QEMU_OPTION_snapshot:
3136 snapshot = 1;
3137 break;
3138 case QEMU_OPTION_hdachs:
3139 {
3140 const char *p;
3141 p = optarg;
3142 cyls = strtol(p, (char **)&p, 0);
3143 if (cyls < 1 || cyls > 16383)
3144 goto chs_fail;
3145 if (*p != ',')
3146 goto chs_fail;
3147 p++;
3148 heads = strtol(p, (char **)&p, 0);
3149 if (heads < 1 || heads > 16)
3150 goto chs_fail;
3151 if (*p != ',')
3152 goto chs_fail;
3153 p++;
3154 secs = strtol(p, (char **)&p, 0);
3155 if (secs < 1 || secs > 63)
3156 goto chs_fail;
3157 if (*p == ',') {
3158 p++;
3159 if (!strcmp(p, "large")) {
3160 translation = BIOS_ATA_TRANSLATION_LARGE;
3161 } else if (!strcmp(p, "rechs")) {
3162 translation = BIOS_ATA_TRANSLATION_RECHS;
3163 } else if (!strcmp(p, "none")) {
3164 translation = BIOS_ATA_TRANSLATION_NONE;
3165 } else if (!strcmp(p, "lba")) {
3166 translation = BIOS_ATA_TRANSLATION_LBA;
3167 } else if (!strcmp(p, "auto")) {
3168 translation = BIOS_ATA_TRANSLATION_AUTO;
3169 } else {
3170 goto chs_fail;
3171 }
3172 } else if (*p != '\0') {
3173 chs_fail:
3174 error_report("invalid physical CHS format");
3175 exit(1);
3176 }
3177 if (hda_opts != NULL) {
3178 qemu_opt_set_number(hda_opts, "cyls", cyls,
3179 &error_abort);
3180 qemu_opt_set_number(hda_opts, "heads", heads,
3181 &error_abort);
3182 qemu_opt_set_number(hda_opts, "secs", secs,
3183 &error_abort);
3184 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
3185 qemu_opt_set(hda_opts, "trans", "large",
3186 &error_abort);
3187 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
3188 qemu_opt_set(hda_opts, "trans", "rechs",
3189 &error_abort);
3190 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3191 qemu_opt_set(hda_opts, "trans", "lba",
3192 &error_abort);
3193 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3194 qemu_opt_set(hda_opts, "trans", "none",
3195 &error_abort);
3196 }
3197 }
3198 }
3199 break;
3200 case QEMU_OPTION_numa:
3201 opts = qemu_opts_parse_noisily(qemu_find_opts("numa"),
3202 optarg, true);
3203 if (!opts) {
3204 exit(1);
3205 }
3206 break;
3207 case QEMU_OPTION_display:
3208 display_type = select_display(optarg);
3209 break;
3210 case QEMU_OPTION_nographic:
3211 olist = qemu_find_opts("machine");
3212 qemu_opts_parse_noisily(olist, "graphics=off", false);
3213 nographic = true;
3214 display_type = DT_NONE;
3215 break;
3216 case QEMU_OPTION_curses:
3217 #ifdef CONFIG_CURSES
3218 display_type = DT_CURSES;
3219 #else
3220 error_report("curses support is disabled");
3221 exit(1);
3222 #endif
3223 break;
3224 case QEMU_OPTION_portrait:
3225 graphic_rotate = 90;
3226 break;
3227 case QEMU_OPTION_rotate:
3228 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3229 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3230 graphic_rotate != 180 && graphic_rotate != 270) {
3231 error_report("only 90, 180, 270 deg rotation is available");
3232 exit(1);
3233 }
3234 break;
3235 case QEMU_OPTION_kernel:
3236 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg,
3237 &error_abort);
3238 break;
3239 case QEMU_OPTION_initrd:
3240 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg,
3241 &error_abort);
3242 break;
3243 case QEMU_OPTION_append:
3244 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg,
3245 &error_abort);
3246 break;
3247 case QEMU_OPTION_dtb:
3248 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg,
3249 &error_abort);
3250 break;
3251 case QEMU_OPTION_cdrom:
3252 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3253 break;
3254 case QEMU_OPTION_boot:
3255 opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3256 optarg, true);
3257 if (!opts) {
3258 exit(1);
3259 }
3260 break;
3261 case QEMU_OPTION_fda:
3262 case QEMU_OPTION_fdb:
3263 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3264 optarg, FD_OPTS);
3265 break;
3266 case QEMU_OPTION_no_fd_bootchk:
3267 fd_bootchk = 0;
3268 break;
3269 case QEMU_OPTION_netdev:
3270 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3271 exit(1);
3272 }
3273 break;
3274 case QEMU_OPTION_net:
3275 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3276 exit(1);
3277 }
3278 break;
3279 #ifdef CONFIG_LIBISCSI
3280 case QEMU_OPTION_iscsi:
3281 opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3282 optarg, false);
3283 if (!opts) {
3284 exit(1);
3285 }
3286 break;
3287 #endif
3288 #ifdef CONFIG_SLIRP
3289 case QEMU_OPTION_tftp:
3290 error_report("The -tftp option is deprecated. "
3291 "Please use '-netdev user,tftp=...' instead.");
3292 legacy_tftp_prefix = optarg;
3293 break;
3294 case QEMU_OPTION_bootp:
3295 error_report("The -bootp option is deprecated. "
3296 "Please use '-netdev user,bootfile=...' instead.");
3297 legacy_bootp_filename = optarg;
3298 break;
3299 case QEMU_OPTION_redir:
3300 error_report("The -redir option is deprecated. "
3301 "Please use '-netdev user,hostfwd=...' instead.");
3302 if (net_slirp_redir(optarg) < 0)
3303 exit(1);
3304 break;
3305 #endif
3306 case QEMU_OPTION_bt:
3307 add_device_config(DEV_BT, optarg);
3308 break;
3309 case QEMU_OPTION_audio_help:
3310 AUD_help ();
3311 exit (0);
3312 break;
3313 case QEMU_OPTION_soundhw:
3314 select_soundhw (optarg);
3315 break;
3316 case QEMU_OPTION_h:
3317 help(0);
3318 break;
3319 case QEMU_OPTION_version:
3320 version();
3321 exit(0);
3322 break;
3323 case QEMU_OPTION_m:
3324 opts = qemu_opts_parse_noisily(qemu_find_opts("memory"),
3325 optarg, true);
3326 if (!opts) {
3327 exit(EXIT_FAILURE);
3328 }
3329 break;
3330 #ifdef CONFIG_TPM
3331 case QEMU_OPTION_tpmdev:
3332 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3333 exit(1);
3334 }
3335 break;
3336 #endif
3337 case QEMU_OPTION_mempath:
3338 mem_path = optarg;
3339 break;
3340 case QEMU_OPTION_mem_prealloc:
3341 mem_prealloc = 1;
3342 break;
3343 case QEMU_OPTION_d:
3344 log_mask = optarg;
3345 break;
3346 case QEMU_OPTION_D:
3347 log_file = optarg;
3348 break;
3349 case QEMU_OPTION_DFILTER:
3350 qemu_set_dfilter_ranges(optarg);
3351 break;
3352 case QEMU_OPTION_s:
3353 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3354 break;
3355 case QEMU_OPTION_gdb:
3356 add_device_config(DEV_GDB, optarg);
3357 break;
3358 case QEMU_OPTION_L:
3359 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3360 data_dir[data_dir_idx++] = optarg;
3361 }
3362 break;
3363 case QEMU_OPTION_bios:
3364 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg,
3365 &error_abort);
3366 break;
3367 case QEMU_OPTION_singlestep:
3368 singlestep = 1;
3369 break;
3370 case QEMU_OPTION_S:
3371 autostart = 0;
3372 break;
3373 case QEMU_OPTION_k:
3374 keyboard_layout = optarg;
3375 break;
3376 case QEMU_OPTION_localtime:
3377 rtc_utc = 0;
3378 break;
3379 case QEMU_OPTION_vga:
3380 vga_model = optarg;
3381 default_vga = 0;
3382 break;
3383 case QEMU_OPTION_g:
3384 {
3385 const char *p;
3386 int w, h, depth;
3387 p = optarg;
3388 w = strtol(p, (char **)&p, 10);
3389 if (w <= 0) {
3390 graphic_error:
3391 error_report("invalid resolution or depth");
3392 exit(1);
3393 }
3394 if (*p != 'x')
3395 goto graphic_error;
3396 p++;
3397 h = strtol(p, (char **)&p, 10);
3398 if (h <= 0)
3399 goto graphic_error;
3400 if (*p == 'x') {
3401 p++;
3402 depth = strtol(p, (char **)&p, 10);
3403 if (depth != 8 && depth != 15 && depth != 16 &&
3404 depth != 24 && depth != 32)
3405 goto graphic_error;
3406 } else if (*p == '\0') {
3407 depth = graphic_depth;
3408 } else {
3409 goto graphic_error;
3410 }
3411
3412 graphic_width = w;
3413 graphic_height = h;
3414 graphic_depth = depth;
3415 }
3416 break;
3417 case QEMU_OPTION_echr:
3418 {
3419 char *r;
3420 term_escape_char = strtol(optarg, &r, 0);
3421 if (r == optarg)
3422 printf("Bad argument to echr\n");
3423 break;
3424 }
3425 case QEMU_OPTION_monitor:
3426 default_monitor = 0;
3427 if (strncmp(optarg, "none", 4)) {
3428 monitor_parse(optarg, "readline", false);
3429 }
3430 break;
3431 case QEMU_OPTION_qmp:
3432 monitor_parse(optarg, "control", false);
3433 default_monitor = 0;
3434 break;
3435 case QEMU_OPTION_qmp_pretty:
3436 monitor_parse(optarg, "control", true);
3437 default_monitor = 0;
3438 break;
3439 case QEMU_OPTION_mon:
3440 opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg,
3441 true);
3442 if (!opts) {
3443 exit(1);
3444 }
3445 default_monitor = 0;
3446 break;
3447 case QEMU_OPTION_chardev:
3448 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3449 optarg, true);
3450 if (!opts) {
3451 exit(1);
3452 }
3453 break;
3454 case QEMU_OPTION_fsdev:
3455 olist = qemu_find_opts("fsdev");
3456 if (!olist) {
3457 error_report("fsdev support is disabled");
3458 exit(1);
3459 }
3460 opts = qemu_opts_parse_noisily(olist, optarg, true);
3461 if (!opts) {
3462 exit(1);
3463 }
3464 break;
3465 case QEMU_OPTION_virtfs: {
3466 QemuOpts *fsdev;
3467 QemuOpts *device;
3468 const char *writeout, *sock_fd, *socket;
3469
3470 olist = qemu_find_opts("virtfs");
3471 if (!olist) {
3472 error_report("virtfs support is disabled");
3473 exit(1);
3474 }
3475 opts = qemu_opts_parse_noisily(olist, optarg, true);
3476 if (!opts) {
3477 exit(1);
3478 }
3479
3480 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3481 qemu_opt_get(opts, "mount_tag") == NULL) {
3482 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3483 exit(1);
3484 }
3485 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3486 qemu_opt_get(opts, "mount_tag"),
3487 1, NULL);
3488 if (!fsdev) {
3489 error_report("duplicate fsdev id: %s",
3490 qemu_opt_get(opts, "mount_tag"));
3491 exit(1);
3492 }
3493
3494 writeout = qemu_opt_get(opts, "writeout");
3495 if (writeout) {
3496 #ifdef CONFIG_SYNC_FILE_RANGE
3497 qemu_opt_set(fsdev, "writeout", writeout, &error_abort);
3498 #else
3499 error_report("writeout=immediate not supported "
3500 "on this platform");
3501 exit(1);
3502 #endif
3503 }
3504 qemu_opt_set(fsdev, "fsdriver",
3505 qemu_opt_get(opts, "fsdriver"), &error_abort);
3506 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"),
3507 &error_abort);
3508 qemu_opt_set(fsdev, "security_model",
3509 qemu_opt_get(opts