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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 | ||
25 | #include "qemu/osdep.h" | |
26 | #include "qemu/units.h" | |
27 | #include "qapi/error.h" | |
28 | #include "qemu-version.h" | |
29 | #include "qemu/cutils.h" | |
30 | #include "qemu/help_option.h" | |
31 | #include "qemu/uuid.h" | |
32 | #include "sysemu/seccomp.h" | |
33 | ||
34 | #ifdef CONFIG_SDL | |
35 | #if defined(__APPLE__) || defined(main) | |
36 | #include <SDL.h> | |
37 | int qemu_main(int argc, char **argv, char **envp); | |
38 | int main(int argc, char **argv) | |
39 | { | |
40 | return qemu_main(argc, argv, NULL); | |
41 | } | |
42 | #undef main | |
43 | #define main qemu_main | |
44 | #endif | |
45 | #endif /* CONFIG_SDL */ | |
46 | ||
47 | #ifdef CONFIG_COCOA | |
48 | #undef main | |
49 | #define main qemu_main | |
50 | #endif /* CONFIG_COCOA */ | |
51 | ||
52 | ||
53 | #include "qemu/error-report.h" | |
54 | #include "qemu/sockets.h" | |
55 | #include "hw/hw.h" | |
56 | #include "hw/boards.h" | |
57 | #include "sysemu/accel.h" | |
58 | #include "hw/usb.h" | |
59 | #include "hw/isa/isa.h" | |
60 | #include "hw/scsi/scsi.h" | |
61 | #include "hw/display/vga.h" | |
62 | #include "hw/bt.h" | |
63 | #include "sysemu/watchdog.h" | |
64 | #include "hw/firmware/smbios.h" | |
65 | #include "hw/acpi/acpi.h" | |
66 | #include "hw/xen/xen.h" | |
67 | #include "hw/qdev.h" | |
68 | #include "hw/loader.h" | |
69 | #include "monitor/qdev.h" | |
70 | #include "sysemu/bt.h" | |
71 | #include "net/net.h" | |
72 | #include "net/slirp.h" | |
73 | #include "monitor/monitor.h" | |
74 | #include "ui/console.h" | |
75 | #include "ui/input.h" | |
76 | #include "sysemu/sysemu.h" | |
77 | #include "sysemu/numa.h" | |
78 | #include "exec/gdbstub.h" | |
79 | #include "qemu/timer.h" | |
80 | #include "chardev/char.h" | |
81 | #include "qemu/bitmap.h" | |
82 | #include "qemu/log.h" | |
83 | #include "sysemu/blockdev.h" | |
84 | #include "hw/block/block.h" | |
85 | #include "migration/misc.h" | |
86 | #include "migration/snapshot.h" | |
87 | #include "migration/global_state.h" | |
88 | #include "sysemu/tpm.h" | |
89 | #include "sysemu/dma.h" | |
90 | #include "hw/audio/soundhw.h" | |
91 | #include "audio/audio.h" | |
92 | #include "sysemu/cpus.h" | |
93 | #include "migration/colo.h" | |
94 | #include "migration/postcopy-ram.h" | |
95 | #include "sysemu/kvm.h" | |
96 | #include "sysemu/hax.h" | |
97 | #include "qapi/qobject-input-visitor.h" | |
98 | #include "qemu/option.h" | |
99 | #include "qemu/config-file.h" | |
100 | #include "qemu-options.h" | |
101 | #include "qemu/main-loop.h" | |
102 | #ifdef CONFIG_VIRTFS | |
103 | #include "fsdev/qemu-fsdev.h" | |
104 | #endif | |
105 | #include "sysemu/qtest.h" | |
106 | ||
107 | #include "disas/disas.h" | |
108 | ||
109 | #include "trace-root.h" | |
110 | #include "trace/control.h" | |
111 | #include "qemu/queue.h" | |
112 | #include "sysemu/arch_init.h" | |
113 | ||
114 | #include "ui/qemu-spice.h" | |
115 | #include "qapi/string-input-visitor.h" | |
116 | #include "qapi/opts-visitor.h" | |
117 | #include "qapi/clone-visitor.h" | |
118 | #include "qom/object_interfaces.h" | |
119 | #include "hw/semihosting/semihost.h" | |
120 | #include "crypto/init.h" | |
121 | #include "sysemu/replay.h" | |
122 | #include "qapi/qapi-events-run-state.h" | |
123 | #include "qapi/qapi-visit-block-core.h" | |
124 | #include "qapi/qapi-visit-ui.h" | |
125 | #include "qapi/qapi-commands-block-core.h" | |
126 | #include "qapi/qapi-commands-misc.h" | |
127 | #include "qapi/qapi-commands-run-state.h" | |
128 | #include "qapi/qapi-commands-ui.h" | |
129 | #include "qapi/qmp/qerror.h" | |
130 | #include "sysemu/iothread.h" | |
131 | #include "qemu/guest-random.h" | |
132 | ||
133 | #define MAX_VIRTIO_CONSOLES 1 | |
134 | ||
135 | static const char *data_dir[16]; | |
136 | static int data_dir_idx; | |
137 | const char *bios_name = NULL; | |
138 | enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB; | |
139 | int display_opengl; | |
140 | const char* keyboard_layout = NULL; | |
141 | ram_addr_t ram_size; | |
142 | const char *mem_path = NULL; | |
143 | int mem_prealloc = 0; /* force preallocation of physical target memory */ | |
144 | bool enable_mlock = false; | |
145 | bool enable_cpu_pm = false; | |
146 | int nb_nics; | |
147 | NICInfo nd_table[MAX_NICS]; | |
148 | int autostart; | |
149 | static enum { | |
150 | RTC_BASE_UTC, | |
151 | RTC_BASE_LOCALTIME, | |
152 | RTC_BASE_DATETIME, | |
153 | } rtc_base_type = RTC_BASE_UTC; | |
154 | static time_t rtc_ref_start_datetime; | |
155 | static int rtc_realtime_clock_offset; /* used only with QEMU_CLOCK_REALTIME */ | |
156 | static int rtc_host_datetime_offset = -1; /* valid & used only with | |
157 | RTC_BASE_DATETIME */ | |
158 | QEMUClockType rtc_clock; | |
159 | int vga_interface_type = VGA_NONE; | |
160 | static DisplayOptions dpy; | |
161 | static int num_serial_hds; | |
162 | static Chardev **serial_hds; | |
163 | Chardev *parallel_hds[MAX_PARALLEL_PORTS]; | |
164 | int win2k_install_hack = 0; | |
165 | int singlestep = 0; | |
166 | int smp_cpus; | |
167 | unsigned int max_cpus; | |
168 | int smp_cores = 1; | |
169 | int smp_threads = 1; | |
170 | int acpi_enabled = 1; | |
171 | int no_hpet = 0; | |
172 | int fd_bootchk = 1; | |
173 | static int no_reboot; | |
174 | int no_shutdown = 0; | |
175 | int cursor_hide = 1; | |
176 | int graphic_rotate = 0; | |
177 | const char *watchdog; | |
178 | QEMUOptionRom option_rom[MAX_OPTION_ROMS]; | |
179 | int nb_option_roms; | |
180 | int old_param = 0; | |
181 | const char *qemu_name; | |
182 | int alt_grab = 0; | |
183 | int ctrl_grab = 0; | |
184 | unsigned int nb_prom_envs = 0; | |
185 | const char *prom_envs[MAX_PROM_ENVS]; | |
186 | int boot_menu; | |
187 | bool boot_strict; | |
188 | uint8_t *boot_splash_filedata; | |
189 | int only_migratable; /* turn it off unless user states otherwise */ | |
190 | bool wakeup_suspend_enabled; | |
191 | ||
192 | int icount_align_option; | |
193 | ||
194 | /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the | |
195 | * little-endian "wire format" described in the SMBIOS 2.6 specification. | |
196 | */ | |
197 | QemuUUID qemu_uuid; | |
198 | bool qemu_uuid_set; | |
199 | ||
200 | static NotifierList exit_notifiers = | |
201 | NOTIFIER_LIST_INITIALIZER(exit_notifiers); | |
202 | ||
203 | static NotifierList machine_init_done_notifiers = | |
204 | NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers); | |
205 | ||
206 | bool xen_allowed; | |
207 | uint32_t xen_domid; | |
208 | enum xen_mode xen_mode = XEN_EMULATE; | |
209 | bool xen_domid_restrict; | |
210 | ||
211 | static int has_defaults = 1; | |
212 | static int default_serial = 1; | |
213 | static int default_parallel = 1; | |
214 | static int default_monitor = 1; | |
215 | static int default_floppy = 1; | |
216 | static int default_cdrom = 1; | |
217 | static int default_sdcard = 1; | |
218 | static int default_vga = 1; | |
219 | static int default_net = 1; | |
220 | ||
221 | static struct { | |
222 | const char *driver; | |
223 | int *flag; | |
224 | } default_list[] = { | |
225 | { .driver = "isa-serial", .flag = &default_serial }, | |
226 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
227 | { .driver = "isa-fdc", .flag = &default_floppy }, | |
228 | { .driver = "floppy", .flag = &default_floppy }, | |
229 | { .driver = "ide-cd", .flag = &default_cdrom }, | |
230 | { .driver = "ide-hd", .flag = &default_cdrom }, | |
231 | { .driver = "ide-drive", .flag = &default_cdrom }, | |
232 | { .driver = "scsi-cd", .flag = &default_cdrom }, | |
233 | { .driver = "scsi-hd", .flag = &default_cdrom }, | |
234 | { .driver = "VGA", .flag = &default_vga }, | |
235 | { .driver = "isa-vga", .flag = &default_vga }, | |
236 | { .driver = "cirrus-vga", .flag = &default_vga }, | |
237 | { .driver = "isa-cirrus-vga", .flag = &default_vga }, | |
238 | { .driver = "vmware-svga", .flag = &default_vga }, | |
239 | { .driver = "qxl-vga", .flag = &default_vga }, | |
240 | { .driver = "virtio-vga", .flag = &default_vga }, | |
241 | { .driver = "ati-vga", .flag = &default_vga }, | |
242 | }; | |
243 | ||
244 | static QemuOptsList qemu_rtc_opts = { | |
245 | .name = "rtc", | |
246 | .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), | |
247 | .merge_lists = true, | |
248 | .desc = { | |
249 | { | |
250 | .name = "base", | |
251 | .type = QEMU_OPT_STRING, | |
252 | },{ | |
253 | .name = "clock", | |
254 | .type = QEMU_OPT_STRING, | |
255 | },{ | |
256 | .name = "driftfix", | |
257 | .type = QEMU_OPT_STRING, | |
258 | }, | |
259 | { /* end of list */ } | |
260 | }, | |
261 | }; | |
262 | ||
263 | static QemuOptsList qemu_option_rom_opts = { | |
264 | .name = "option-rom", | |
265 | .implied_opt_name = "romfile", | |
266 | .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), | |
267 | .desc = { | |
268 | { | |
269 | .name = "bootindex", | |
270 | .type = QEMU_OPT_NUMBER, | |
271 | }, { | |
272 | .name = "romfile", | |
273 | .type = QEMU_OPT_STRING, | |
274 | }, | |
275 | { /* end of list */ } | |
276 | }, | |
277 | }; | |
278 | ||
279 | static QemuOptsList qemu_machine_opts = { | |
280 | .name = "machine", | |
281 | .implied_opt_name = "type", | |
282 | .merge_lists = true, | |
283 | .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head), | |
284 | .desc = { | |
285 | /* | |
286 | * no elements => accept any | |
287 | * sanity checking will happen later | |
288 | * when setting machine properties | |
289 | */ | |
290 | { } | |
291 | }, | |
292 | }; | |
293 | ||
294 | static QemuOptsList qemu_accel_opts = { | |
295 | .name = "accel", | |
296 | .implied_opt_name = "accel", | |
297 | .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head), | |
298 | .merge_lists = true, | |
299 | .desc = { | |
300 | { | |
301 | .name = "accel", | |
302 | .type = QEMU_OPT_STRING, | |
303 | .help = "Select the type of accelerator", | |
304 | }, | |
305 | { | |
306 | .name = "thread", | |
307 | .type = QEMU_OPT_STRING, | |
308 | .help = "Enable/disable multi-threaded TCG", | |
309 | }, | |
310 | { /* end of list */ } | |
311 | }, | |
312 | }; | |
313 | ||
314 | static QemuOptsList qemu_boot_opts = { | |
315 | .name = "boot-opts", | |
316 | .implied_opt_name = "order", | |
317 | .merge_lists = true, | |
318 | .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), | |
319 | .desc = { | |
320 | { | |
321 | .name = "order", | |
322 | .type = QEMU_OPT_STRING, | |
323 | }, { | |
324 | .name = "once", | |
325 | .type = QEMU_OPT_STRING, | |
326 | }, { | |
327 | .name = "menu", | |
328 | .type = QEMU_OPT_BOOL, | |
329 | }, { | |
330 | .name = "splash", | |
331 | .type = QEMU_OPT_STRING, | |
332 | }, { | |
333 | .name = "splash-time", | |
334 | .type = QEMU_OPT_NUMBER, | |
335 | }, { | |
336 | .name = "reboot-timeout", | |
337 | .type = QEMU_OPT_NUMBER, | |
338 | }, { | |
339 | .name = "strict", | |
340 | .type = QEMU_OPT_BOOL, | |
341 | }, | |
342 | { /*End of list */ } | |
343 | }, | |
344 | }; | |
345 | ||
346 | static QemuOptsList qemu_add_fd_opts = { | |
347 | .name = "add-fd", | |
348 | .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), | |
349 | .desc = { | |
350 | { | |
351 | .name = "fd", | |
352 | .type = QEMU_OPT_NUMBER, | |
353 | .help = "file descriptor of which a duplicate is added to fd set", | |
354 | },{ | |
355 | .name = "set", | |
356 | .type = QEMU_OPT_NUMBER, | |
357 | .help = "ID of the fd set to add fd to", | |
358 | },{ | |
359 | .name = "opaque", | |
360 | .type = QEMU_OPT_STRING, | |
361 | .help = "free-form string used to describe fd", | |
362 | }, | |
363 | { /* end of list */ } | |
364 | }, | |
365 | }; | |
366 | ||
367 | static QemuOptsList qemu_object_opts = { | |
368 | .name = "object", | |
369 | .implied_opt_name = "qom-type", | |
370 | .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), | |
371 | .desc = { | |
372 | { } | |
373 | }, | |
374 | }; | |
375 | ||
376 | static QemuOptsList qemu_tpmdev_opts = { | |
377 | .name = "tpmdev", | |
378 | .implied_opt_name = "type", | |
379 | .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head), | |
380 | .desc = { | |
381 | /* options are defined in the TPM backends */ | |
382 | { /* end of list */ } | |
383 | }, | |
384 | }; | |
385 | ||
386 | static QemuOptsList qemu_realtime_opts = { | |
387 | .name = "realtime", | |
388 | .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head), | |
389 | .desc = { | |
390 | { | |
391 | .name = "mlock", | |
392 | .type = QEMU_OPT_BOOL, | |
393 | }, | |
394 | { /* end of list */ } | |
395 | }, | |
396 | }; | |
397 | ||
398 | static QemuOptsList qemu_overcommit_opts = { | |
399 | .name = "overcommit", | |
400 | .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head), | |
401 | .desc = { | |
402 | { | |
403 | .name = "mem-lock", | |
404 | .type = QEMU_OPT_BOOL, | |
405 | }, | |
406 | { | |
407 | .name = "cpu-pm", | |
408 | .type = QEMU_OPT_BOOL, | |
409 | }, | |
410 | { /* end of list */ } | |
411 | }, | |
412 | }; | |
413 | ||
414 | static QemuOptsList qemu_msg_opts = { | |
415 | .name = "msg", | |
416 | .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head), | |
417 | .desc = { | |
418 | { | |
419 | .name = "timestamp", | |
420 | .type = QEMU_OPT_BOOL, | |
421 | }, | |
422 | { /* end of list */ } | |
423 | }, | |
424 | }; | |
425 | ||
426 | static QemuOptsList qemu_name_opts = { | |
427 | .name = "name", | |
428 | .implied_opt_name = "guest", | |
429 | .merge_lists = true, | |
430 | .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head), | |
431 | .desc = { | |
432 | { | |
433 | .name = "guest", | |
434 | .type = QEMU_OPT_STRING, | |
435 | .help = "Sets the name of the guest.\n" | |
436 | "This name will be displayed in the SDL window caption.\n" | |
437 | "The name will also be used for the VNC server", | |
438 | }, { | |
439 | .name = "process", | |
440 | .type = QEMU_OPT_STRING, | |
441 | .help = "Sets the name of the QEMU process, as shown in top etc", | |
442 | }, { | |
443 | .name = "debug-threads", | |
444 | .type = QEMU_OPT_BOOL, | |
445 | .help = "When enabled, name the individual threads; defaults off.\n" | |
446 | "NOTE: The thread names are for debugging and not a\n" | |
447 | "stable API.", | |
448 | }, | |
449 | { /* End of list */ } | |
450 | }, | |
451 | }; | |
452 | ||
453 | static QemuOptsList qemu_mem_opts = { | |
454 | .name = "memory", | |
455 | .implied_opt_name = "size", | |
456 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), | |
457 | .merge_lists = true, | |
458 | .desc = { | |
459 | { | |
460 | .name = "size", | |
461 | .type = QEMU_OPT_SIZE, | |
462 | }, | |
463 | { | |
464 | .name = "slots", | |
465 | .type = QEMU_OPT_NUMBER, | |
466 | }, | |
467 | { | |
468 | .name = "maxmem", | |
469 | .type = QEMU_OPT_SIZE, | |
470 | }, | |
471 | { /* end of list */ } | |
472 | }, | |
473 | }; | |
474 | ||
475 | static QemuOptsList qemu_icount_opts = { | |
476 | .name = "icount", | |
477 | .implied_opt_name = "shift", | |
478 | .merge_lists = true, | |
479 | .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head), | |
480 | .desc = { | |
481 | { | |
482 | .name = "shift", | |
483 | .type = QEMU_OPT_STRING, | |
484 | }, { | |
485 | .name = "align", | |
486 | .type = QEMU_OPT_BOOL, | |
487 | }, { | |
488 | .name = "sleep", | |
489 | .type = QEMU_OPT_BOOL, | |
490 | }, { | |
491 | .name = "rr", | |
492 | .type = QEMU_OPT_STRING, | |
493 | }, { | |
494 | .name = "rrfile", | |
495 | .type = QEMU_OPT_STRING, | |
496 | }, { | |
497 | .name = "rrsnapshot", | |
498 | .type = QEMU_OPT_STRING, | |
499 | }, | |
500 | { /* end of list */ } | |
501 | }, | |
502 | }; | |
503 | ||
504 | static QemuOptsList qemu_fw_cfg_opts = { | |
505 | .name = "fw_cfg", | |
506 | .implied_opt_name = "name", | |
507 | .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head), | |
508 | .desc = { | |
509 | { | |
510 | .name = "name", | |
511 | .type = QEMU_OPT_STRING, | |
512 | .help = "Sets the fw_cfg name of the blob to be inserted", | |
513 | }, { | |
514 | .name = "file", | |
515 | .type = QEMU_OPT_STRING, | |
516 | .help = "Sets the name of the file from which " | |
517 | "the fw_cfg blob will be loaded", | |
518 | }, { | |
519 | .name = "string", | |
520 | .type = QEMU_OPT_STRING, | |
521 | .help = "Sets content of the blob to be inserted from a string", | |
522 | }, | |
523 | { /* end of list */ } | |
524 | }, | |
525 | }; | |
526 | ||
527 | /** | |
528 | * Get machine options | |
529 | * | |
530 | * Returns: machine options (never null). | |
531 | */ | |
532 | QemuOpts *qemu_get_machine_opts(void) | |
533 | { | |
534 | return qemu_find_opts_singleton("machine"); | |
535 | } | |
536 | ||
537 | const char *qemu_get_vm_name(void) | |
538 | { | |
539 | return qemu_name; | |
540 | } | |
541 | ||
542 | static void res_free(void) | |
543 | { | |
544 | g_free(boot_splash_filedata); | |
545 | boot_splash_filedata = NULL; | |
546 | } | |
547 | ||
548 | static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) | |
549 | { | |
550 | const char *driver = qemu_opt_get(opts, "driver"); | |
551 | int i; | |
552 | ||
553 | if (!driver) | |
554 | return 0; | |
555 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
556 | if (strcmp(default_list[i].driver, driver) != 0) | |
557 | continue; | |
558 | *(default_list[i].flag) = 0; | |
559 | } | |
560 | return 0; | |
561 | } | |
562 | ||
563 | /***********************************************************/ | |
564 | /* QEMU state */ | |
565 | ||
566 | static RunState current_run_state = RUN_STATE_PRECONFIG; | |
567 | ||
568 | /* We use RUN_STATE__MAX but any invalid value will do */ | |
569 | static RunState vmstop_requested = RUN_STATE__MAX; | |
570 | static QemuMutex vmstop_lock; | |
571 | ||
572 | typedef struct { | |
573 | RunState from; | |
574 | RunState to; | |
575 | } RunStateTransition; | |
576 | ||
577 | static const RunStateTransition runstate_transitions_def[] = { | |
578 | /* from -> to */ | |
579 | { RUN_STATE_PRECONFIG, RUN_STATE_PRELAUNCH }, | |
580 | /* Early switch to inmigrate state to allow -incoming CLI option work | |
581 | * as it used to. TODO: delay actual switching to inmigrate state to | |
582 | * the point after machine is built and remove this hack. | |
583 | */ | |
584 | { RUN_STATE_PRECONFIG, RUN_STATE_INMIGRATE }, | |
585 | ||
586 | { RUN_STATE_DEBUG, RUN_STATE_RUNNING }, | |
587 | { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE }, | |
588 | { RUN_STATE_DEBUG, RUN_STATE_PRELAUNCH }, | |
589 | ||
590 | { RUN_STATE_INMIGRATE, RUN_STATE_INTERNAL_ERROR }, | |
591 | { RUN_STATE_INMIGRATE, RUN_STATE_IO_ERROR }, | |
592 | { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED }, | |
593 | { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING }, | |
594 | { RUN_STATE_INMIGRATE, RUN_STATE_SHUTDOWN }, | |
595 | { RUN_STATE_INMIGRATE, RUN_STATE_SUSPENDED }, | |
596 | { RUN_STATE_INMIGRATE, RUN_STATE_WATCHDOG }, | |
597 | { RUN_STATE_INMIGRATE, RUN_STATE_GUEST_PANICKED }, | |
598 | { RUN_STATE_INMIGRATE, RUN_STATE_FINISH_MIGRATE }, | |
599 | { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH }, | |
600 | { RUN_STATE_INMIGRATE, RUN_STATE_POSTMIGRATE }, | |
601 | { RUN_STATE_INMIGRATE, RUN_STATE_COLO }, | |
602 | ||
603 | { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED }, | |
604 | { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE }, | |
605 | { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PRELAUNCH }, | |
606 | ||
607 | { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING }, | |
608 | { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE }, | |
609 | { RUN_STATE_IO_ERROR, RUN_STATE_PRELAUNCH }, | |
610 | ||
611 | { RUN_STATE_PAUSED, RUN_STATE_RUNNING }, | |
612 | { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE }, | |
613 | { RUN_STATE_PAUSED, RUN_STATE_POSTMIGRATE }, | |
614 | { RUN_STATE_PAUSED, RUN_STATE_PRELAUNCH }, | |
615 | { RUN_STATE_PAUSED, RUN_STATE_COLO}, | |
616 | ||
617 | { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING }, | |
618 | { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE }, | |
619 | { RUN_STATE_POSTMIGRATE, RUN_STATE_PRELAUNCH }, | |
620 | ||
621 | { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING }, | |
622 | { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE }, | |
623 | { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE }, | |
624 | ||
625 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING }, | |
626 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PAUSED }, | |
627 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE }, | |
628 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_PRELAUNCH }, | |
629 | { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO}, | |
630 | ||
631 | { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING }, | |
632 | { RUN_STATE_RESTORE_VM, RUN_STATE_PRELAUNCH }, | |
633 | ||
634 | { RUN_STATE_COLO, RUN_STATE_RUNNING }, | |
635 | ||
636 | { RUN_STATE_RUNNING, RUN_STATE_DEBUG }, | |
637 | { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR }, | |
638 | { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR }, | |
639 | { RUN_STATE_RUNNING, RUN_STATE_PAUSED }, | |
640 | { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE }, | |
641 | { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM }, | |
642 | { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM }, | |
643 | { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN }, | |
644 | { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG }, | |
645 | { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED }, | |
646 | { RUN_STATE_RUNNING, RUN_STATE_COLO}, | |
647 | ||
648 | { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING }, | |
649 | ||
650 | { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED }, | |
651 | { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE }, | |
652 | { RUN_STATE_SHUTDOWN, RUN_STATE_PRELAUNCH }, | |
653 | ||
654 | { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED }, | |
655 | { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED }, | |
656 | { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING }, | |
657 | { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE }, | |
658 | { RUN_STATE_SUSPENDED, RUN_STATE_PRELAUNCH }, | |
659 | { RUN_STATE_SUSPENDED, RUN_STATE_COLO}, | |
660 | ||
661 | { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING }, | |
662 | { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE }, | |
663 | { RUN_STATE_WATCHDOG, RUN_STATE_PRELAUNCH }, | |
664 | { RUN_STATE_WATCHDOG, RUN_STATE_COLO}, | |
665 | ||
666 | { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING }, | |
667 | { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE }, | |
668 | { RUN_STATE_GUEST_PANICKED, RUN_STATE_PRELAUNCH }, | |
669 | ||
670 | { RUN_STATE__MAX, RUN_STATE__MAX }, | |
671 | }; | |
672 | ||
673 | static bool runstate_valid_transitions[RUN_STATE__MAX][RUN_STATE__MAX]; | |
674 | ||
675 | bool runstate_check(RunState state) | |
676 | { | |
677 | return current_run_state == state; | |
678 | } | |
679 | ||
680 | bool runstate_store(char *str, size_t size) | |
681 | { | |
682 | const char *state = RunState_str(current_run_state); | |
683 | size_t len = strlen(state) + 1; | |
684 | ||
685 | if (len > size) { | |
686 | return false; | |
687 | } | |
688 | memcpy(str, state, len); | |
689 | return true; | |
690 | } | |
691 | ||
692 | static void runstate_init(void) | |
693 | { | |
694 | const RunStateTransition *p; | |
695 | ||
696 | memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions)); | |
697 | for (p = &runstate_transitions_def[0]; p->from != RUN_STATE__MAX; p++) { | |
698 | runstate_valid_transitions[p->from][p->to] = true; | |
699 | } | |
700 | ||
701 | qemu_mutex_init(&vmstop_lock); | |
702 | } | |
703 | ||
704 | /* This function will abort() on invalid state transitions */ | |
705 | void runstate_set(RunState new_state) | |
706 | { | |
707 | assert(new_state < RUN_STATE__MAX); | |
708 | ||
709 | trace_runstate_set(current_run_state, RunState_str(current_run_state), | |
710 | new_state, RunState_str(new_state)); | |
711 | ||
712 | if (current_run_state == new_state) { | |
713 | return; | |
714 | } | |
715 | ||
716 | if (!runstate_valid_transitions[current_run_state][new_state]) { | |
717 | error_report("invalid runstate transition: '%s' -> '%s'", | |
718 | RunState_str(current_run_state), | |
719 | RunState_str(new_state)); | |
720 | abort(); | |
721 | } | |
722 | ||
723 | current_run_state = new_state; | |
724 | } | |
725 | ||
726 | int runstate_is_running(void) | |
727 | { | |
728 | return runstate_check(RUN_STATE_RUNNING); | |
729 | } | |
730 | ||
731 | bool runstate_needs_reset(void) | |
732 | { | |
733 | return runstate_check(RUN_STATE_INTERNAL_ERROR) || | |
734 | runstate_check(RUN_STATE_SHUTDOWN); | |
735 | } | |
736 | ||
737 | StatusInfo *qmp_query_status(Error **errp) | |
738 | { | |
739 | StatusInfo *info = g_malloc0(sizeof(*info)); | |
740 | ||
741 | info->running = runstate_is_running(); | |
742 | info->singlestep = singlestep; | |
743 | info->status = current_run_state; | |
744 | ||
745 | return info; | |
746 | } | |
747 | ||
748 | bool qemu_vmstop_requested(RunState *r) | |
749 | { | |
750 | qemu_mutex_lock(&vmstop_lock); | |
751 | *r = vmstop_requested; | |
752 | vmstop_requested = RUN_STATE__MAX; | |
753 | qemu_mutex_unlock(&vmstop_lock); | |
754 | return *r < RUN_STATE__MAX; | |
755 | } | |
756 | ||
757 | void qemu_system_vmstop_request_prepare(void) | |
758 | { | |
759 | qemu_mutex_lock(&vmstop_lock); | |
760 | } | |
761 | ||
762 | void qemu_system_vmstop_request(RunState state) | |
763 | { | |
764 | vmstop_requested = state; | |
765 | qemu_mutex_unlock(&vmstop_lock); | |
766 | qemu_notify_event(); | |
767 | } | |
768 | ||
769 | /***********************************************************/ | |
770 | /* RTC reference time/date access */ | |
771 | static time_t qemu_ref_timedate(QEMUClockType clock) | |
772 | { | |
773 | time_t value = qemu_clock_get_ms(clock) / 1000; | |
774 | switch (clock) { | |
775 | case QEMU_CLOCK_REALTIME: | |
776 | value -= rtc_realtime_clock_offset; | |
777 | /* no break */ | |
778 | case QEMU_CLOCK_VIRTUAL: | |
779 | value += rtc_ref_start_datetime; | |
780 | break; | |
781 | case QEMU_CLOCK_HOST: | |
782 | if (rtc_base_type == RTC_BASE_DATETIME) { | |
783 | value -= rtc_host_datetime_offset; | |
784 | } | |
785 | break; | |
786 | default: | |
787 | assert(0); | |
788 | } | |
789 | return value; | |
790 | } | |
791 | ||
792 | void qemu_get_timedate(struct tm *tm, int offset) | |
793 | { | |
794 | time_t ti = qemu_ref_timedate(rtc_clock); | |
795 | ||
796 | ti += offset; | |
797 | ||
798 | switch (rtc_base_type) { | |
799 | case RTC_BASE_DATETIME: | |
800 | case RTC_BASE_UTC: | |
801 | gmtime_r(&ti, tm); | |
802 | break; | |
803 | case RTC_BASE_LOCALTIME: | |
804 | localtime_r(&ti, tm); | |
805 | break; | |
806 | } | |
807 | } | |
808 | ||
809 | int qemu_timedate_diff(struct tm *tm) | |
810 | { | |
811 | time_t seconds; | |
812 | ||
813 | switch (rtc_base_type) { | |
814 | case RTC_BASE_DATETIME: | |
815 | case RTC_BASE_UTC: | |
816 | seconds = mktimegm(tm); | |
817 | break; | |
818 | case RTC_BASE_LOCALTIME: | |
819 | { | |
820 | struct tm tmp = *tm; | |
821 | tmp.tm_isdst = -1; /* use timezone to figure it out */ | |
822 | seconds = mktime(&tmp); | |
823 | break; | |
824 | } | |
825 | default: | |
826 | abort(); | |
827 | } | |
828 | ||
829 | return seconds - qemu_ref_timedate(QEMU_CLOCK_HOST); | |
830 | } | |
831 | ||
832 | static void configure_rtc_base_datetime(const char *startdate) | |
833 | { | |
834 | time_t rtc_start_datetime; | |
835 | struct tm tm; | |
836 | ||
837 | if (sscanf(startdate, "%d-%d-%dT%d:%d:%d", &tm.tm_year, &tm.tm_mon, | |
838 | &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) == 6) { | |
839 | /* OK */ | |
840 | } else if (sscanf(startdate, "%d-%d-%d", | |
841 | &tm.tm_year, &tm.tm_mon, &tm.tm_mday) == 3) { | |
842 | tm.tm_hour = 0; | |
843 | tm.tm_min = 0; | |
844 | tm.tm_sec = 0; | |
845 | } else { | |
846 | goto date_fail; | |
847 | } | |
848 | tm.tm_year -= 1900; | |
849 | tm.tm_mon--; | |
850 | rtc_start_datetime = mktimegm(&tm); | |
851 | if (rtc_start_datetime == -1) { | |
852 | date_fail: | |
853 | error_report("invalid datetime format"); | |
854 | error_printf("valid formats: " | |
855 | "'2006-06-17T16:01:21' or '2006-06-17'\n"); | |
856 | exit(1); | |
857 | } | |
858 | rtc_host_datetime_offset = rtc_ref_start_datetime - rtc_start_datetime; | |
859 | rtc_ref_start_datetime = rtc_start_datetime; | |
860 | } | |
861 | ||
862 | static void configure_rtc(QemuOpts *opts) | |
863 | { | |
864 | const char *value; | |
865 | ||
866 | /* Set defaults */ | |
867 | rtc_clock = QEMU_CLOCK_HOST; | |
868 | rtc_ref_start_datetime = qemu_clock_get_ms(QEMU_CLOCK_HOST) / 1000; | |
869 | rtc_realtime_clock_offset = qemu_clock_get_ms(QEMU_CLOCK_REALTIME) / 1000; | |
870 | ||
871 | value = qemu_opt_get(opts, "base"); | |
872 | if (value) { | |
873 | if (!strcmp(value, "utc")) { | |
874 | rtc_base_type = RTC_BASE_UTC; | |
875 | } else if (!strcmp(value, "localtime")) { | |
876 | Error *blocker = NULL; | |
877 | rtc_base_type = RTC_BASE_LOCALTIME; | |
878 | error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, | |
879 | "-rtc base=localtime"); | |
880 | replay_add_blocker(blocker); | |
881 | } else { | |
882 | rtc_base_type = RTC_BASE_DATETIME; | |
883 | configure_rtc_base_datetime(value); | |
884 | } | |
885 | } | |
886 | value = qemu_opt_get(opts, "clock"); | |
887 | if (value) { | |
888 | if (!strcmp(value, "host")) { | |
889 | rtc_clock = QEMU_CLOCK_HOST; | |
890 | } else if (!strcmp(value, "rt")) { | |
891 | rtc_clock = QEMU_CLOCK_REALTIME; | |
892 | } else if (!strcmp(value, "vm")) { | |
893 | rtc_clock = QEMU_CLOCK_VIRTUAL; | |
894 | } else { | |
895 | error_report("invalid option value '%s'", value); | |
896 | exit(1); | |
897 | } | |
898 | } | |
899 | value = qemu_opt_get(opts, "driftfix"); | |
900 | if (value) { | |
901 | if (!strcmp(value, "slew")) { | |
902 | static GlobalProperty slew_lost_ticks = { | |
903 | .driver = "mc146818rtc", | |
904 | .property = "lost_tick_policy", | |
905 | .value = "slew", | |
906 | }; | |
907 | ||
908 | qdev_prop_register_global(&slew_lost_ticks); | |
909 | } else if (!strcmp(value, "none")) { | |
910 | /* discard is default */ | |
911 | } else { | |
912 | error_report("invalid option value '%s'", value); | |
913 | exit(1); | |
914 | } | |
915 | } | |
916 | } | |
917 | ||
918 | /***********************************************************/ | |
919 | /* Bluetooth support */ | |
920 | static int nb_hcis; | |
921 | static int cur_hci; | |
922 | static struct HCIInfo *hci_table[MAX_NICS]; | |
923 | ||
924 | struct HCIInfo *qemu_next_hci(void) | |
925 | { | |
926 | if (cur_hci == nb_hcis) | |
927 | return &null_hci; | |
928 | ||
929 | return hci_table[cur_hci++]; | |
930 | } | |
931 | ||
932 | static int bt_hci_parse(const char *str) | |
933 | { | |
934 | struct HCIInfo *hci; | |
935 | bdaddr_t bdaddr; | |
936 | ||
937 | if (nb_hcis >= MAX_NICS) { | |
938 | error_report("too many bluetooth HCIs (max %i)", MAX_NICS); | |
939 | return -1; | |
940 | } | |
941 | ||
942 | hci = hci_init(str); | |
943 | if (!hci) | |
944 | return -1; | |
945 | ||
946 | bdaddr.b[0] = 0x52; | |
947 | bdaddr.b[1] = 0x54; | |
948 | bdaddr.b[2] = 0x00; | |
949 | bdaddr.b[3] = 0x12; | |
950 | bdaddr.b[4] = 0x34; | |
951 | bdaddr.b[5] = 0x56 + nb_hcis; | |
952 | hci->bdaddr_set(hci, bdaddr.b); | |
953 | ||
954 | hci_table[nb_hcis++] = hci; | |
955 | ||
956 | return 0; | |
957 | } | |
958 | ||
959 | static void bt_vhci_add(int vlan_id) | |
960 | { | |
961 | struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id); | |
962 | ||
963 | if (!vlan->slave) | |
964 | warn_report("adding a VHCI to an empty scatternet %i", | |
965 | vlan_id); | |
966 | ||
967 | bt_vhci_init(bt_new_hci(vlan)); | |
968 | } | |
969 | ||
970 | static struct bt_device_s *bt_device_add(const char *opt) | |
971 | { | |
972 | struct bt_scatternet_s *vlan; | |
973 | int vlan_id = 0; | |
974 | char *endp = strstr(opt, ",vlan="); | |
975 | int len = (endp ? endp - opt : strlen(opt)) + 1; | |
976 | char devname[10]; | |
977 | ||
978 | pstrcpy(devname, MIN(sizeof(devname), len), opt); | |
979 | ||
980 | if (endp) { | |
981 | vlan_id = strtol(endp + 6, &endp, 0); | |
982 | if (*endp) { | |
983 | error_report("unrecognised bluetooth vlan Id"); | |
984 | return 0; | |
985 | } | |
986 | } | |
987 | ||
988 | vlan = qemu_find_bt_vlan(vlan_id); | |
989 | ||
990 | if (!vlan->slave) | |
991 | warn_report("adding a slave device to an empty scatternet %i", | |
992 | vlan_id); | |
993 | ||
994 | if (!strcmp(devname, "keyboard")) | |
995 | return bt_keyboard_init(vlan); | |
996 | ||
997 | error_report("unsupported bluetooth device '%s'", devname); | |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | static int bt_parse(const char *opt) | |
1002 | { | |
1003 | const char *endp, *p; | |
1004 | int vlan; | |
1005 | ||
1006 | if (strstart(opt, "hci", &endp)) { | |
1007 | if (!*endp || *endp == ',') { | |
1008 | if (*endp) | |
1009 | if (!strstart(endp, ",vlan=", 0)) | |
1010 | opt = endp + 1; | |
1011 | ||
1012 | return bt_hci_parse(opt); | |
1013 | } | |
1014 | } else if (strstart(opt, "vhci", &endp)) { | |
1015 | if (!*endp || *endp == ',') { | |
1016 | if (*endp) { | |
1017 | if (strstart(endp, ",vlan=", &p)) { | |
1018 | vlan = strtol(p, (char **) &endp, 0); | |
1019 | if (*endp) { | |
1020 | error_report("bad scatternet '%s'", p); | |
1021 | return 1; | |
1022 | } | |
1023 | } else { | |
1024 | error_report("bad parameter '%s'", endp + 1); | |
1025 | return 1; | |
1026 | } | |
1027 | } else | |
1028 | vlan = 0; | |
1029 | ||
1030 | bt_vhci_add(vlan); | |
1031 | return 0; | |
1032 | } | |
1033 | } else if (strstart(opt, "device:", &endp)) | |
1034 | return !bt_device_add(endp); | |
1035 | ||
1036 | error_report("bad bluetooth parameter '%s'", opt); | |
1037 | return 1; | |
1038 | } | |
1039 | ||
1040 | static int parse_name(void *opaque, QemuOpts *opts, Error **errp) | |
1041 | { | |
1042 | const char *proc_name; | |
1043 | ||
1044 | if (qemu_opt_get(opts, "debug-threads")) { | |
1045 | qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false)); | |
1046 | } | |
1047 | qemu_name = qemu_opt_get(opts, "guest"); | |
1048 | ||
1049 | proc_name = qemu_opt_get(opts, "process"); | |
1050 | if (proc_name) { | |
1051 | os_set_proc_name(proc_name); | |
1052 | } | |
1053 | ||
1054 | return 0; | |
1055 | } | |
1056 | ||
1057 | bool defaults_enabled(void) | |
1058 | { | |
1059 | return has_defaults; | |
1060 | } | |
1061 | ||
1062 | #ifndef _WIN32 | |
1063 | static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) | |
1064 | { | |
1065 | int fd, dupfd, flags; | |
1066 | int64_t fdset_id; | |
1067 | const char *fd_opaque = NULL; | |
1068 | AddfdInfo *fdinfo; | |
1069 | ||
1070 | fd = qemu_opt_get_number(opts, "fd", -1); | |
1071 | fdset_id = qemu_opt_get_number(opts, "set", -1); | |
1072 | fd_opaque = qemu_opt_get(opts, "opaque"); | |
1073 | ||
1074 | if (fd < 0) { | |
1075 | error_setg(errp, "fd option is required and must be non-negative"); | |
1076 | return -1; | |
1077 | } | |
1078 | ||
1079 | if (fd <= STDERR_FILENO) { | |
1080 | error_setg(errp, "fd cannot be a standard I/O stream"); | |
1081 | return -1; | |
1082 | } | |
1083 | ||
1084 | /* | |
1085 | * All fds inherited across exec() necessarily have FD_CLOEXEC | |
1086 | * clear, while qemu sets FD_CLOEXEC on all other fds used internally. | |
1087 | */ | |
1088 | flags = fcntl(fd, F_GETFD); | |
1089 | if (flags == -1 || (flags & FD_CLOEXEC)) { | |
1090 | error_setg(errp, "fd is not valid or already in use"); | |
1091 | return -1; | |
1092 | } | |
1093 | ||
1094 | if (fdset_id < 0) { | |
1095 | error_setg(errp, "set option is required and must be non-negative"); | |
1096 | return -1; | |
1097 | } | |
1098 | ||
1099 | #ifdef F_DUPFD_CLOEXEC | |
1100 | dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0); | |
1101 | #else | |
1102 | dupfd = dup(fd); | |
1103 | if (dupfd != -1) { | |
1104 | qemu_set_cloexec(dupfd); | |
1105 | } | |
1106 | #endif | |
1107 | if (dupfd == -1) { | |
1108 | error_setg(errp, "error duplicating fd: %s", strerror(errno)); | |
1109 | return -1; | |
1110 | } | |
1111 | ||
1112 | /* add the duplicate fd, and optionally the opaque string, to the fd set */ | |
1113 | fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, !!fd_opaque, fd_opaque, | |
1114 | &error_abort); | |
1115 | g_free(fdinfo); | |
1116 | ||
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) | |
1121 | { | |
1122 | int fd; | |
1123 | ||
1124 | fd = qemu_opt_get_number(opts, "fd", -1); | |
1125 | close(fd); | |
1126 | ||
1127 | return 0; | |
1128 | } | |
1129 | #endif | |
1130 | ||
1131 | /***********************************************************/ | |
1132 | /* QEMU Block devices */ | |
1133 | ||
1134 | #define HD_OPTS "media=disk" | |
1135 | #define CDROM_OPTS "media=cdrom" | |
1136 | #define FD_OPTS "" | |
1137 | #define PFLASH_OPTS "" | |
1138 | #define MTD_OPTS "" | |
1139 | #define SD_OPTS "" | |
1140 | ||
1141 | static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
1142 | { | |
1143 | BlockInterfaceType *block_default_type = opaque; | |
1144 | ||
1145 | return drive_new(opts, *block_default_type, errp) == NULL; | |
1146 | } | |
1147 | ||
1148 | static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) | |
1149 | { | |
1150 | if (qemu_opt_get(opts, "snapshot") == NULL) { | |
1151 | qemu_opt_set(opts, "snapshot", "on", &error_abort); | |
1152 | } | |
1153 | return 0; | |
1154 | } | |
1155 | ||
1156 | static void default_drive(int enable, int snapshot, BlockInterfaceType type, | |
1157 | int index, const char *optstr) | |
1158 | { | |
1159 | QemuOpts *opts; | |
1160 | DriveInfo *dinfo; | |
1161 | ||
1162 | if (!enable || drive_get_by_index(type, index)) { | |
1163 | return; | |
1164 | } | |
1165 | ||
1166 | opts = drive_add(type, index, NULL, optstr); | |
1167 | if (snapshot) { | |
1168 | drive_enable_snapshot(NULL, opts, NULL); | |
1169 | } | |
1170 | ||
1171 | dinfo = drive_new(opts, type, &error_abort); | |
1172 | dinfo->is_default = true; | |
1173 | ||
1174 | } | |
1175 | ||
1176 | typedef struct BlockdevOptionsQueueEntry { | |
1177 | BlockdevOptions *bdo; | |
1178 | Location loc; | |
1179 | QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; | |
1180 | } BlockdevOptionsQueueEntry; | |
1181 | ||
1182 | typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; | |
1183 | ||
1184 | static void configure_blockdev(BlockdevOptionsQueue *bdo_queue, | |
1185 | MachineClass *machine_class, int snapshot) | |
1186 | { | |
1187 | /* | |
1188 | * If the currently selected machine wishes to override the | |
1189 | * units-per-bus property of its default HBA interface type, do so | |
1190 | * now. | |
1191 | */ | |
1192 | if (machine_class->units_per_default_bus) { | |
1193 | override_max_devs(machine_class->block_default_type, | |
1194 | machine_class->units_per_default_bus); | |
1195 | } | |
1196 | ||
1197 | /* open the virtual block devices */ | |
1198 | while (!QSIMPLEQ_EMPTY(bdo_queue)) { | |
1199 | BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue); | |
1200 | ||
1201 | QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry); | |
1202 | loc_push_restore(&bdo->loc); | |
1203 | qmp_blockdev_add(bdo->bdo, &error_fatal); | |
1204 | loc_pop(&bdo->loc); | |
1205 | qapi_free_BlockdevOptions(bdo->bdo); | |
1206 | g_free(bdo); | |
1207 | } | |
1208 | if (snapshot || replay_mode != REPLAY_MODE_NONE) { | |
1209 | qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, | |
1210 | NULL, NULL); | |
1211 | } | |
1212 | if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, | |
1213 | &machine_class->block_default_type, &error_fatal)) { | |
1214 | /* We printed help */ | |
1215 | exit(0); | |
1216 | } | |
1217 | ||
1218 | default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2, | |
1219 | CDROM_OPTS); | |
1220 | default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS); | |
1221 | default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS); | |
1222 | ||
1223 | } | |
1224 | ||
1225 | static QemuOptsList qemu_smp_opts = { | |
1226 | .name = "smp-opts", | |
1227 | .implied_opt_name = "cpus", | |
1228 | .merge_lists = true, | |
1229 | .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head), | |
1230 | .desc = { | |
1231 | { | |
1232 | .name = "cpus", | |
1233 | .type = QEMU_OPT_NUMBER, | |
1234 | }, { | |
1235 | .name = "sockets", | |
1236 | .type = QEMU_OPT_NUMBER, | |
1237 | }, { | |
1238 | .name = "cores", | |
1239 | .type = QEMU_OPT_NUMBER, | |
1240 | }, { | |
1241 | .name = "threads", | |
1242 | .type = QEMU_OPT_NUMBER, | |
1243 | }, { | |
1244 | .name = "maxcpus", | |
1245 | .type = QEMU_OPT_NUMBER, | |
1246 | }, | |
1247 | { /*End of list */ } | |
1248 | }, | |
1249 | }; | |
1250 | ||
1251 | static void smp_parse(QemuOpts *opts) | |
1252 | { | |
1253 | if (opts) { | |
1254 | unsigned cpus = qemu_opt_get_number(opts, "cpus", 0); | |
1255 | unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); | |
1256 | unsigned cores = qemu_opt_get_number(opts, "cores", 0); | |
1257 | unsigned threads = qemu_opt_get_number(opts, "threads", 0); | |
1258 | ||
1259 | /* compute missing values, prefer sockets over cores over threads */ | |
1260 | if (cpus == 0 || sockets == 0) { | |
1261 | cores = cores > 0 ? cores : 1; | |
1262 | threads = threads > 0 ? threads : 1; | |
1263 | if (cpus == 0) { | |
1264 | sockets = sockets > 0 ? sockets : 1; | |
1265 | cpus = cores * threads * sockets; | |
1266 | } else { | |
1267 | max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus); | |
1268 | sockets = max_cpus / (cores * threads); | |
1269 | } | |
1270 | } else if (cores == 0) { | |
1271 | threads = threads > 0 ? threads : 1; | |
1272 | cores = cpus / (sockets * threads); | |
1273 | cores = cores > 0 ? cores : 1; | |
1274 | } else if (threads == 0) { | |
1275 | threads = cpus / (cores * sockets); | |
1276 | threads = threads > 0 ? threads : 1; | |
1277 | } else if (sockets * cores * threads < cpus) { | |
1278 | error_report("cpu topology: " | |
1279 | "sockets (%u) * cores (%u) * threads (%u) < " | |
1280 | "smp_cpus (%u)", | |
1281 | sockets, cores, threads, cpus); | |
1282 | exit(1); | |
1283 | } | |
1284 | ||
1285 | max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus); | |
1286 | ||
1287 | if (max_cpus < cpus) { | |
1288 | error_report("maxcpus must be equal to or greater than smp"); | |
1289 | exit(1); | |
1290 | } | |
1291 | ||
1292 | if (sockets * cores * threads > max_cpus) { | |
1293 | error_report("cpu topology: " | |
1294 | "sockets (%u) * cores (%u) * threads (%u) > " | |
1295 | "maxcpus (%u)", | |
1296 | sockets, cores, threads, max_cpus); | |
1297 | exit(1); | |
1298 | } | |
1299 | ||
1300 | if (sockets * cores * threads != max_cpus) { | |
1301 | warn_report("Invalid CPU topology deprecated: " | |
1302 | "sockets (%u) * cores (%u) * threads (%u) " | |
1303 | "!= maxcpus (%u)", | |
1304 | sockets, cores, threads, max_cpus); | |
1305 | } | |
1306 | ||
1307 | smp_cpus = cpus; | |
1308 | smp_cores = cores; | |
1309 | smp_threads = threads; | |
1310 | } | |
1311 | ||
1312 | if (smp_cpus > 1) { | |
1313 | Error *blocker = NULL; | |
1314 | error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); | |
1315 | replay_add_blocker(blocker); | |
1316 | } | |
1317 | } | |
1318 | ||
1319 | static void realtime_init(void) | |
1320 | { | |
1321 | if (enable_mlock) { | |
1322 | if (os_mlock() < 0) { | |
1323 | error_report("locking memory failed"); | |
1324 | exit(1); | |
1325 | } | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | ||
1330 | static void configure_msg(QemuOpts *opts) | |
1331 | { | |
1332 | enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true); | |
1333 | } | |
1334 | ||
1335 | ||
1336 | /* Now we still need this for compatibility with XEN. */ | |
1337 | bool has_igd_gfx_passthru; | |
1338 | static void igd_gfx_passthru(void) | |
1339 | { | |
1340 | has_igd_gfx_passthru = current_machine->igd_gfx_passthru; | |
1341 | } | |
1342 | ||
1343 | /***********************************************************/ | |
1344 | /* USB devices */ | |
1345 | ||
1346 | static int usb_device_add(const char *devname) | |
1347 | { | |
1348 | USBDevice *dev = NULL; | |
1349 | ||
1350 | if (!machine_usb(current_machine)) { | |
1351 | return -1; | |
1352 | } | |
1353 | ||
1354 | dev = usbdevice_create(devname); | |
1355 | if (!dev) | |
1356 | return -1; | |
1357 | ||
1358 | return 0; | |
1359 | } | |
1360 | ||
1361 | static int usb_parse(const char *cmdline) | |
1362 | { | |
1363 | int r; | |
1364 | r = usb_device_add(cmdline); | |
1365 | if (r < 0) { | |
1366 | error_report("could not add USB device '%s'", cmdline); | |
1367 | } | |
1368 | return r; | |
1369 | } | |
1370 | ||
1371 | /***********************************************************/ | |
1372 | /* machine registration */ | |
1373 | ||
1374 | MachineState *current_machine; | |
1375 | ||
1376 | static MachineClass *find_machine(const char *name, GSList *machines) | |
1377 | { | |
1378 | GSList *el; | |
1379 | ||
1380 | for (el = machines; el; el = el->next) { | |
1381 | MachineClass *mc = el->data; | |
1382 | ||
1383 | if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) { | |
1384 | return mc; | |
1385 | } | |
1386 | } | |
1387 | ||
1388 | return NULL; | |
1389 | } | |
1390 | ||
1391 | static MachineClass *find_default_machine(GSList *machines) | |
1392 | { | |
1393 | GSList *el; | |
1394 | ||
1395 | for (el = machines; el; el = el->next) { | |
1396 | MachineClass *mc = el->data; | |
1397 | ||
1398 | if (mc->is_default) { | |
1399 | return mc; | |
1400 | } | |
1401 | } | |
1402 | ||
1403 | return NULL; | |
1404 | } | |
1405 | ||
1406 | MachineInfoList *qmp_query_machines(Error **errp) | |
1407 | { | |
1408 | GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false); | |
1409 | MachineInfoList *mach_list = NULL; | |
1410 | ||
1411 | for (el = machines; el; el = el->next) { | |
1412 | MachineClass *mc = el->data; | |
1413 | MachineInfoList *entry; | |
1414 | MachineInfo *info; | |
1415 | ||
1416 | info = g_malloc0(sizeof(*info)); | |
1417 | if (mc->is_default) { | |
1418 | info->has_is_default = true; | |
1419 | info->is_default = true; | |
1420 | } | |
1421 | ||
1422 | if (mc->alias) { | |
1423 | info->has_alias = true; | |
1424 | info->alias = g_strdup(mc->alias); | |
1425 | } | |
1426 | ||
1427 | info->name = g_strdup(mc->name); | |
1428 | info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus; | |
1429 | info->hotpluggable_cpus = mc->has_hotpluggable_cpus; | |
1430 | ||
1431 | entry = g_malloc0(sizeof(*entry)); | |
1432 | entry->value = info; | |
1433 | entry->next = mach_list; | |
1434 | mach_list = entry; | |
1435 | } | |
1436 | ||
1437 | g_slist_free(machines); | |
1438 | return mach_list; | |
1439 | } | |
1440 | ||
1441 | static int machine_help_func(QemuOpts *opts, MachineState *machine) | |
1442 | { | |
1443 | ObjectProperty *prop; | |
1444 | ObjectPropertyIterator iter; | |
1445 | ||
1446 | if (!qemu_opt_has_help_opt(opts)) { | |
1447 | return 0; | |
1448 | } | |
1449 | ||
1450 | object_property_iter_init(&iter, OBJECT(machine)); | |
1451 | while ((prop = object_property_iter_next(&iter))) { | |
1452 | if (!prop->set) { | |
1453 | continue; | |
1454 | } | |
1455 | ||
1456 | printf("%s.%s=%s", MACHINE_GET_CLASS(machine)->name, | |
1457 | prop->name, prop->type); | |
1458 | if (prop->description) { | |
1459 | printf(" (%s)\n", prop->description); | |
1460 | } else { | |
1461 | printf("\n"); | |
1462 | } | |
1463 | } | |
1464 | ||
1465 | return 1; | |
1466 | } | |
1467 | ||
1468 | struct vm_change_state_entry { | |
1469 | VMChangeStateHandler *cb; | |
1470 | void *opaque; | |
1471 | QLIST_ENTRY (vm_change_state_entry) entries; | |
1472 | }; | |
1473 | ||
1474 | static QLIST_HEAD(, vm_change_state_entry) vm_change_state_head; | |
1475 | ||
1476 | VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb, | |
1477 | void *opaque) | |
1478 | { | |
1479 | VMChangeStateEntry *e; | |
1480 | ||
1481 | e = g_malloc0(sizeof (*e)); | |
1482 | ||
1483 | e->cb = cb; | |
1484 | e->opaque = opaque; | |
1485 | QLIST_INSERT_HEAD(&vm_change_state_head, e, entries); | |
1486 | return e; | |
1487 | } | |
1488 | ||
1489 | void qemu_del_vm_change_state_handler(VMChangeStateEntry *e) | |
1490 | { | |
1491 | QLIST_REMOVE (e, entries); | |
1492 | g_free (e); | |
1493 | } | |
1494 | ||
1495 | void vm_state_notify(int running, RunState state) | |
1496 | { | |
1497 | VMChangeStateEntry *e, *next; | |
1498 | ||
1499 | trace_vm_state_notify(running, state, RunState_str(state)); | |
1500 | ||
1501 | QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) { | |
1502 | e->cb(e->opaque, running, state); | |
1503 | } | |
1504 | } | |
1505 | ||
1506 | static ShutdownCause reset_requested; | |
1507 | static ShutdownCause shutdown_requested; | |
1508 | static int shutdown_signal; | |
1509 | static pid_t shutdown_pid; | |
1510 | static int powerdown_requested; | |
1511 | static int debug_requested; | |
1512 | static int suspend_requested; | |
1513 | static bool preconfig_exit_requested = true; | |
1514 | static WakeupReason wakeup_reason; | |
1515 | static NotifierList powerdown_notifiers = | |
1516 | NOTIFIER_LIST_INITIALIZER(powerdown_notifiers); | |
1517 | static NotifierList suspend_notifiers = | |
1518 | NOTIFIER_LIST_INITIALIZER(suspend_notifiers); | |
1519 | static NotifierList wakeup_notifiers = | |
1520 | NOTIFIER_LIST_INITIALIZER(wakeup_notifiers); | |
1521 | static NotifierList shutdown_notifiers = | |
1522 | NOTIFIER_LIST_INITIALIZER(shutdown_notifiers); | |
1523 | static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE); | |
1524 | ||
1525 | ShutdownCause qemu_shutdown_requested_get(void) | |
1526 | { | |
1527 | return shutdown_requested; | |
1528 | } | |
1529 | ||
1530 | ShutdownCause qemu_reset_requested_get(void) | |
1531 | { | |
1532 | return reset_requested; | |
1533 | } | |
1534 | ||
1535 | static int qemu_shutdown_requested(void) | |
1536 | { | |
1537 | return atomic_xchg(&shutdown_requested, SHUTDOWN_CAUSE_NONE); | |
1538 | } | |
1539 | ||
1540 | static void qemu_kill_report(void) | |
1541 | { | |
1542 | if (!qtest_driver() && shutdown_signal) { | |
1543 | if (shutdown_pid == 0) { | |
1544 | /* This happens for eg ^C at the terminal, so it's worth | |
1545 | * avoiding printing an odd message in that case. | |
1546 | */ | |
1547 | error_report("terminating on signal %d", shutdown_signal); | |
1548 | } else { | |
1549 | char *shutdown_cmd = qemu_get_pid_name(shutdown_pid); | |
1550 | ||
1551 | error_report("terminating on signal %d from pid " FMT_pid " (%s)", | |
1552 | shutdown_signal, shutdown_pid, | |
1553 | shutdown_cmd ? shutdown_cmd : "<unknown process>"); | |
1554 | g_free(shutdown_cmd); | |
1555 | } | |
1556 | shutdown_signal = 0; | |
1557 | } | |
1558 | } | |
1559 | ||
1560 | static ShutdownCause qemu_reset_requested(void) | |
1561 | { | |
1562 | ShutdownCause r = reset_requested; | |
1563 | ||
1564 | if (r && replay_checkpoint(CHECKPOINT_RESET_REQUESTED)) { | |
1565 | reset_requested = SHUTDOWN_CAUSE_NONE; | |
1566 | return r; | |
1567 | } | |
1568 | return SHUTDOWN_CAUSE_NONE; | |
1569 | } | |
1570 | ||
1571 | static int qemu_suspend_requested(void) | |
1572 | { | |
1573 | int r = suspend_requested; | |
1574 | if (r && replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED)) { | |
1575 | suspend_requested = 0; | |
1576 | return r; | |
1577 | } | |
1578 | return false; | |
1579 | } | |
1580 | ||
1581 | static WakeupReason qemu_wakeup_requested(void) | |
1582 | { | |
1583 | return wakeup_reason; | |
1584 | } | |
1585 | ||
1586 | static int qemu_powerdown_requested(void) | |
1587 | { | |
1588 | int r = powerdown_requested; | |
1589 | powerdown_requested = 0; | |
1590 | return r; | |
1591 | } | |
1592 | ||
1593 | static int qemu_debug_requested(void) | |
1594 | { | |
1595 | int r = debug_requested; | |
1596 | debug_requested = 0; | |
1597 | return r; | |
1598 | } | |
1599 | ||
1600 | void qemu_exit_preconfig_request(void) | |
1601 | { | |
1602 | preconfig_exit_requested = true; | |
1603 | } | |
1604 | ||
1605 | /* | |
1606 | * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE. | |
1607 | */ | |
1608 | void qemu_system_reset(ShutdownCause reason) | |
1609 | { | |
1610 | MachineClass *mc; | |
1611 | ||
1612 | mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL; | |
1613 | ||
1614 | cpu_synchronize_all_states(); | |
1615 | ||
1616 | if (mc && mc->reset) { | |
1617 | mc->reset(); | |
1618 | } else { | |
1619 | qemu_devices_reset(); | |
1620 | } | |
1621 | if (reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { | |
1622 | qapi_event_send_reset(shutdown_caused_by_guest(reason), reason); | |
1623 | } | |
1624 | cpu_synchronize_all_post_reset(); | |
1625 | } | |
1626 | ||
1627 | void qemu_system_guest_panicked(GuestPanicInformation *info) | |
1628 | { | |
1629 | qemu_log_mask(LOG_GUEST_ERROR, "Guest crashed"); | |
1630 | ||
1631 | if (current_cpu) { | |
1632 | current_cpu->crash_occurred = true; | |
1633 | } | |
1634 | qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE, | |
1635 | !!info, info); | |
1636 | vm_stop(RUN_STATE_GUEST_PANICKED); | |
1637 | if (!no_shutdown) { | |
1638 | qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF, | |
1639 | !!info, info); | |
1640 | qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC); | |
1641 | } | |
1642 | ||
1643 | if (info) { | |
1644 | if (info->type == GUEST_PANIC_INFORMATION_TYPE_HYPER_V) { | |
1645 | qemu_log_mask(LOG_GUEST_ERROR, "\nHV crash parameters: (%#"PRIx64 | |
1646 | " %#"PRIx64" %#"PRIx64" %#"PRIx64" %#"PRIx64")\n", | |
1647 | info->u.hyper_v.arg1, | |
1648 | info->u.hyper_v.arg2, | |
1649 | info->u.hyper_v.arg3, | |
1650 | info->u.hyper_v.arg4, | |
1651 | info->u.hyper_v.arg5); | |
1652 | } else if (info->type == GUEST_PANIC_INFORMATION_TYPE_S390) { | |
1653 | qemu_log_mask(LOG_GUEST_ERROR, " on cpu %d: %s\n" | |
1654 | "PSW: 0x%016" PRIx64 " 0x%016" PRIx64"\n", | |
1655 | info->u.s390.core, | |
1656 | S390CrashReason_str(info->u.s390.reason), | |
1657 | info->u.s390.psw_mask, | |
1658 | info->u.s390.psw_addr); | |
1659 | } | |
1660 | qapi_free_GuestPanicInformation(info); | |
1661 | } | |
1662 | } | |
1663 | ||
1664 | void qemu_system_reset_request(ShutdownCause reason) | |
1665 | { | |
1666 | if (no_reboot && reason != SHUTDOWN_CAUSE_SUBSYSTEM_RESET) { | |
1667 | shutdown_requested = reason; | |
1668 | } else { | |
1669 | reset_requested = reason; | |
1670 | } | |
1671 | cpu_stop_current(); | |
1672 | qemu_notify_event(); | |
1673 | } | |
1674 | ||
1675 | static void qemu_system_suspend(void) | |
1676 | { | |
1677 | pause_all_vcpus(); | |
1678 | notifier_list_notify(&suspend_notifiers, NULL); | |
1679 | runstate_set(RUN_STATE_SUSPENDED); | |
1680 | qapi_event_send_suspend(); | |
1681 | } | |
1682 | ||
1683 | void qemu_system_suspend_request(void) | |
1684 | { | |
1685 | if (runstate_check(RUN_STATE_SUSPENDED)) { | |
1686 | return; | |
1687 | } | |
1688 | suspend_requested = 1; | |
1689 | cpu_stop_current(); | |
1690 | qemu_notify_event(); | |
1691 | } | |
1692 | ||
1693 | void qemu_register_suspend_notifier(Notifier *notifier) | |
1694 | { | |
1695 | notifier_list_add(&suspend_notifiers, notifier); | |
1696 | } | |
1697 | ||
1698 | void qemu_system_wakeup_request(WakeupReason reason, Error **errp) | |
1699 | { | |
1700 | trace_system_wakeup_request(reason); | |
1701 | ||
1702 | if (!runstate_check(RUN_STATE_SUSPENDED)) { | |
1703 | error_setg(errp, | |
1704 | "Unable to wake up: guest is not in suspended state"); | |
1705 | return; | |
1706 | } | |
1707 | if (!(wakeup_reason_mask & (1 << reason))) { | |
1708 | return; | |
1709 | } | |
1710 | runstate_set(RUN_STATE_RUNNING); | |
1711 | wakeup_reason = reason; | |
1712 | qemu_notify_event(); | |
1713 | } | |
1714 | ||
1715 | void qemu_system_wakeup_enable(WakeupReason reason, bool enabled) | |
1716 | { | |
1717 | if (enabled) { | |
1718 | wakeup_reason_mask |= (1 << reason); | |
1719 | } else { | |
1720 | wakeup_reason_mask &= ~(1 << reason); | |
1721 | } | |
1722 | } | |
1723 | ||
1724 | void qemu_register_wakeup_notifier(Notifier *notifier) | |
1725 | { | |
1726 | notifier_list_add(&wakeup_notifiers, notifier); | |
1727 | } | |
1728 | ||
1729 | void qemu_register_wakeup_support(void) | |
1730 | { | |
1731 | wakeup_suspend_enabled = true; | |
1732 | } | |
1733 | ||
1734 | bool qemu_wakeup_suspend_enabled(void) | |
1735 | { | |
1736 | return wakeup_suspend_enabled; | |
1737 | } | |
1738 | ||
1739 | CurrentMachineParams *qmp_query_current_machine(Error **errp) | |
1740 | { | |
1741 | CurrentMachineParams *params = g_malloc0(sizeof(*params)); | |
1742 | params->wakeup_suspend_support = qemu_wakeup_suspend_enabled(); | |
1743 | ||
1744 | return params; | |
1745 | } | |
1746 | ||
1747 | void qemu_system_killed(int signal, pid_t pid) | |
1748 | { | |
1749 | shutdown_signal = signal; | |
1750 | shutdown_pid = pid; | |
1751 | no_shutdown = 0; | |
1752 | ||
1753 | /* Cannot call qemu_system_shutdown_request directly because | |
1754 | * we are in a signal handler. | |
1755 | */ | |
1756 | shutdown_requested = SHUTDOWN_CAUSE_HOST_SIGNAL; | |
1757 | qemu_notify_event(); | |
1758 | } | |
1759 | ||
1760 | void qemu_system_shutdown_request(ShutdownCause reason) | |
1761 | { | |
1762 | trace_qemu_system_shutdown_request(reason); | |
1763 | replay_shutdown_request(reason); | |
1764 | shutdown_requested = reason; | |
1765 | qemu_notify_event(); | |
1766 | } | |
1767 | ||
1768 | static void qemu_system_powerdown(void) | |
1769 | { | |
1770 | qapi_event_send_powerdown(); | |
1771 | notifier_list_notify(&powerdown_notifiers, NULL); | |
1772 | } | |
1773 | ||
1774 | static void qemu_system_shutdown(ShutdownCause cause) | |
1775 | { | |
1776 | qapi_event_send_shutdown(shutdown_caused_by_guest(cause), cause); | |
1777 | notifier_list_notify(&shutdown_notifiers, &cause); | |
1778 | } | |
1779 | ||
1780 | void qemu_system_powerdown_request(void) | |
1781 | { | |
1782 | trace_qemu_system_powerdown_request(); | |
1783 | powerdown_requested = 1; | |
1784 | qemu_notify_event(); | |
1785 | } | |
1786 | ||
1787 | void qemu_register_powerdown_notifier(Notifier *notifier) | |
1788 | { | |
1789 | notifier_list_add(&powerdown_notifiers, notifier); | |
1790 | } | |
1791 | ||
1792 | void qemu_register_shutdown_notifier(Notifier *notifier) | |
1793 | { | |
1794 | notifier_list_add(&shutdown_notifiers, notifier); | |
1795 | } | |
1796 | ||
1797 | void qemu_system_debug_request(void) | |
1798 | { | |
1799 | debug_requested = 1; | |
1800 | qemu_notify_event(); | |
1801 | } | |
1802 | ||
1803 | static bool main_loop_should_exit(void) | |
1804 | { | |
1805 | RunState r; | |
1806 | ShutdownCause request; | |
1807 | ||
1808 | if (preconfig_exit_requested) { | |
1809 | if (runstate_check(RUN_STATE_PRECONFIG)) { | |
1810 | runstate_set(RUN_STATE_PRELAUNCH); | |
1811 | } | |
1812 | preconfig_exit_requested = false; | |
1813 | return true; | |
1814 | } | |
1815 | if (qemu_debug_requested()) { | |
1816 | vm_stop(RUN_STATE_DEBUG); | |
1817 | } | |
1818 | if (qemu_suspend_requested()) { | |
1819 | qemu_system_suspend(); | |
1820 | } | |
1821 | request = qemu_shutdown_requested(); | |
1822 | if (request) { | |
1823 | qemu_kill_report(); | |
1824 | qemu_system_shutdown(request); | |
1825 | if (no_shutdown) { | |
1826 | vm_stop(RUN_STATE_SHUTDOWN); | |
1827 | } else { | |
1828 | return true; | |
1829 | } | |
1830 | } | |
1831 | request = qemu_reset_requested(); | |
1832 | if (request) { | |
1833 | pause_all_vcpus(); | |
1834 | qemu_system_reset(request); | |
1835 | resume_all_vcpus(); | |
1836 | if (!runstate_check(RUN_STATE_RUNNING) && | |
1837 | !runstate_check(RUN_STATE_INMIGRATE)) { | |
1838 | runstate_set(RUN_STATE_PRELAUNCH); | |
1839 | } | |
1840 | } | |
1841 | if (qemu_wakeup_requested()) { | |
1842 | pause_all_vcpus(); | |
1843 | qemu_system_reset(SHUTDOWN_CAUSE_NONE); | |
1844 | notifier_list_notify(&wakeup_notifiers, &wakeup_reason); | |
1845 | wakeup_reason = QEMU_WAKEUP_REASON_NONE; | |
1846 | resume_all_vcpus(); | |
1847 | qapi_event_send_wakeup(); | |
1848 | } | |
1849 | if (qemu_powerdown_requested()) { | |
1850 | qemu_system_powerdown(); | |
1851 | } | |
1852 | if (qemu_vmstop_requested(&r)) { | |
1853 | vm_stop(r); | |
1854 | } | |
1855 | return false; | |
1856 | } | |
1857 | ||
1858 | static void main_loop(void) | |
1859 | { | |
1860 | #ifdef CONFIG_PROFILER | |
1861 | int64_t ti; | |
1862 | #endif | |
1863 | while (!main_loop_should_exit()) { | |
1864 | #ifdef CONFIG_PROFILER | |
1865 | ti = profile_getclock(); | |
1866 | #endif | |
1867 | main_loop_wait(false); | |
1868 | #ifdef CONFIG_PROFILER | |
1869 | dev_time += profile_getclock() - ti; | |
1870 | #endif | |
1871 | } | |
1872 | } | |
1873 | ||
1874 | static void version(void) | |
1875 | { | |
1876 | printf("QEMU emulator version " QEMU_FULL_VERSION "\n" | |
1877 | QEMU_COPYRIGHT "\n"); | |
1878 | } | |
1879 | ||
1880 | static void help(int exitcode) | |
1881 | { | |
1882 | version(); | |
1883 | printf("usage: %s [options] [disk_image]\n\n" | |
1884 | "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n", | |
1885 | error_get_progname()); | |
1886 | ||
1887 | #define QEMU_OPTIONS_GENERATE_HELP | |
1888 | #include "qemu-options-wrapper.h" | |
1889 | ||
1890 | printf("\nDuring emulation, the following keys are useful:\n" | |
1891 | "ctrl-alt-f toggle full screen\n" | |
1892 | "ctrl-alt-n switch to virtual console 'n'\n" | |
1893 | "ctrl-alt toggle mouse and keyboard grab\n" | |
1894 | "\n" | |
1895 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
1896 | "\n" | |
1897 | QEMU_HELP_BOTTOM "\n"); | |
1898 | ||
1899 | exit(exitcode); | |
1900 | } | |
1901 | ||
1902 | #define HAS_ARG 0x0001 | |
1903 | ||
1904 | typedef struct QEMUOption { | |
1905 | const char *name; | |
1906 | int flags; | |
1907 | int index; | |
1908 | uint32_t arch_mask; | |
1909 | } QEMUOption; | |
1910 | ||
1911 | static const QEMUOption qemu_options[] = { | |
1912 | { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, | |
1913 | #define QEMU_OPTIONS_GENERATE_OPTIONS | |
1914 | #include "qemu-options-wrapper.h" | |
1915 | { NULL }, | |
1916 | }; | |
1917 | ||
1918 | typedef struct VGAInterfaceInfo { | |
1919 | const char *opt_name; /* option name */ | |
1920 | const char *name; /* human-readable name */ | |
1921 | /* Class names indicating that support is available. | |
1922 | * If no class is specified, the interface is always available */ | |
1923 | const char *class_names[2]; | |
1924 | } VGAInterfaceInfo; | |
1925 | ||
1926 | static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = { | |
1927 | [VGA_NONE] = { | |
1928 | .opt_name = "none", | |
1929 | .name = "no graphic card", | |
1930 | }, | |
1931 | [VGA_STD] = { | |
1932 | .opt_name = "std", | |
1933 | .name = "standard VGA", | |
1934 | .class_names = { "VGA", "isa-vga" }, | |
1935 | }, | |
1936 | [VGA_CIRRUS] = { | |
1937 | .opt_name = "cirrus", | |
1938 | .name = "Cirrus VGA", | |
1939 | .class_names = { "cirrus-vga", "isa-cirrus-vga" }, | |
1940 | }, | |
1941 | [VGA_VMWARE] = { | |
1942 | .opt_name = "vmware", | |
1943 | .name = "VMWare SVGA", | |
1944 | .class_names = { "vmware-svga" }, | |
1945 | }, | |
1946 | [VGA_VIRTIO] = { | |
1947 | .opt_name = "virtio", | |
1948 | .name = "Virtio VGA", | |
1949 | .class_names = { "virtio-vga" }, | |
1950 | }, | |
1951 | [VGA_QXL] = { | |
1952 | .opt_name = "qxl", | |
1953 | .name = "QXL VGA", | |
1954 | .class_names = { "qxl-vga" }, | |
1955 | }, | |
1956 | [VGA_TCX] = { | |
1957 | .opt_name = "tcx", | |
1958 | .name = "TCX framebuffer", | |
1959 | .class_names = { "SUNW,tcx" }, | |
1960 | }, | |
1961 | [VGA_CG3] = { | |
1962 | .opt_name = "cg3", | |
1963 | .name = "CG3 framebuffer", | |
1964 | .class_names = { "cgthree" }, | |
1965 | }, | |
1966 | [VGA_XENFB] = { | |
1967 | .opt_name = "xenfb", | |
1968 | .name = "Xen paravirtualized framebuffer", | |
1969 | }, | |
1970 | }; | |
1971 | ||
1972 | static bool vga_interface_available(VGAInterfaceType t) | |
1973 | { | |
1974 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
1975 | ||
1976 | assert(t < VGA_TYPE_MAX); | |
1977 | return !ti->class_names[0] || | |
1978 | object_class_by_name(ti->class_names[0]) || | |
1979 | object_class_by_name(ti->class_names[1]); | |
1980 | } | |
1981 | ||
1982 | static const char * | |
1983 | get_default_vga_model(const MachineClass *machine_class) | |
1984 | { | |
1985 | if (machine_class->default_display) { | |
1986 | return machine_class->default_display; | |
1987 | } else if (vga_interface_available(VGA_CIRRUS)) { | |
1988 | return "cirrus"; | |
1989 | } else if (vga_interface_available(VGA_STD)) { | |
1990 | return "std"; | |
1991 | } | |
1992 | ||
1993 | return NULL; | |
1994 | } | |
1995 | ||
1996 | static void select_vgahw(const MachineClass *machine_class, const char *p) | |
1997 | { | |
1998 | const char *opts; | |
1999 | int t; | |
2000 | ||
2001 | if (g_str_equal(p, "help")) { | |
2002 | const char *def = get_default_vga_model(machine_class); | |
2003 | ||
2004 | for (t = 0; t < VGA_TYPE_MAX; t++) { | |
2005 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
2006 | ||
2007 | if (vga_interface_available(t) && ti->opt_name) { | |
2008 | printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "", | |
2009 | g_str_equal(ti->opt_name, def) ? " (default)" : ""); | |
2010 | } | |
2011 | } | |
2012 | exit(0); | |
2013 | } | |
2014 | ||
2015 | assert(vga_interface_type == VGA_NONE); | |
2016 | for (t = 0; t < VGA_TYPE_MAX; t++) { | |
2017 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
2018 | if (ti->opt_name && strstart(p, ti->opt_name, &opts)) { | |
2019 | if (!vga_interface_available(t)) { | |
2020 | error_report("%s not available", ti->name); | |
2021 | exit(1); | |
2022 | } | |
2023 | vga_interface_type = t; | |
2024 | break; | |
2025 | } | |
2026 | } | |
2027 | if (t == VGA_TYPE_MAX) { | |
2028 | invalid_vga: | |
2029 | error_report("unknown vga type: %s", p); | |
2030 | exit(1); | |
2031 | } | |
2032 | while (*opts) { | |
2033 | const char *nextopt; | |
2034 | ||
2035 | if (strstart(opts, ",retrace=", &nextopt)) { | |
2036 | opts = nextopt; | |
2037 | if (strstart(opts, "dumb", &nextopt)) | |
2038 | vga_retrace_method = VGA_RETRACE_DUMB; | |
2039 | else if (strstart(opts, "precise", &nextopt)) | |
2040 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
2041 | else goto invalid_vga; | |
2042 | } else goto invalid_vga; | |
2043 | opts = nextopt; | |
2044 | } | |
2045 | } | |
2046 | ||
2047 | static void parse_display_qapi(const char *optarg) | |
2048 | { | |
2049 | DisplayOptions *opts; | |
2050 | Visitor *v; | |
2051 | ||
2052 | v = qobject_input_visitor_new_str(optarg, "type", &error_fatal); | |
2053 | ||
2054 | visit_type_DisplayOptions(v, NULL, &opts, &error_fatal); | |
2055 | QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts); | |
2056 | ||
2057 | qapi_free_DisplayOptions(opts); | |
2058 | visit_free(v); | |
2059 | } | |
2060 | ||
2061 | DisplayOptions *qmp_query_display_options(Error **errp) | |
2062 | { | |
2063 | return QAPI_CLONE(DisplayOptions, &dpy); | |
2064 | } | |
2065 | ||
2066 | static void parse_display(const char *p) | |
2067 | { | |
2068 | const char *opts; | |
2069 | ||
2070 | if (strstart(p, "sdl", &opts)) { | |
2071 | /* | |
2072 | * sdl DisplayType needs hand-crafted parser instead of | |
2073 | * parse_display_qapi() due to some options not in | |
2074 | * DisplayOptions, specifically: | |
2075 | * - frame | |
2076 | * Already deprecated. | |
2077 | * - ctrl_grab + alt_grab | |
2078 | * Not clear yet what happens to them long-term. Should | |
2079 | * replaced by something better or deprecated and dropped. | |
2080 | */ | |
2081 | dpy.type = DISPLAY_TYPE_SDL; | |
2082 | while (*opts) { | |
2083 | const char *nextopt; | |
2084 | ||
2085 | if (strstart(opts, ",alt_grab=", &nextopt)) { | |
2086 | opts = nextopt; | |
2087 | if (strstart(opts, "on", &nextopt)) { | |
2088 | alt_grab = 1; | |
2089 | } else if (strstart(opts, "off", &nextopt)) { | |
2090 | alt_grab = 0; | |
2091 | } else { | |
2092 | goto invalid_sdl_args; | |
2093 | } | |
2094 | } else if (strstart(opts, ",ctrl_grab=", &nextopt)) { | |
2095 | opts = nextopt; | |
2096 | if (strstart(opts, "on", &nextopt)) { | |
2097 | ctrl_grab = 1; | |
2098 | } else if (strstart(opts, "off", &nextopt)) { | |
2099 | ctrl_grab = 0; | |
2100 | } else { | |
2101 | goto invalid_sdl_args; | |
2102 | } | |
2103 | } else if (strstart(opts, ",window_close=", &nextopt)) { | |
2104 | opts = nextopt; | |
2105 | dpy.has_window_close = true; | |
2106 | if (strstart(opts, "on", &nextopt)) { | |
2107 | dpy.window_close = true; | |
2108 | } else if (strstart(opts, "off", &nextopt)) { | |
2109 | dpy.window_close = false; | |
2110 | } else { | |
2111 | goto invalid_sdl_args; | |
2112 | } | |
2113 | } else if (strstart(opts, ",gl=", &nextopt)) { | |
2114 | opts = nextopt; | |
2115 | dpy.has_gl = true; | |
2116 | if (strstart(opts, "on", &nextopt)) { | |
2117 | dpy.gl = DISPLAYGL_MODE_ON; | |
2118 | } else if (strstart(opts, "core", &nextopt)) { | |
2119 | dpy.gl = DISPLAYGL_MODE_CORE; | |
2120 | } else if (strstart(opts, "es", &nextopt)) { | |
2121 | dpy.gl = DISPLAYGL_MODE_ES; | |
2122 | } else if (strstart(opts, "off", &nextopt)) { | |
2123 | dpy.gl = DISPLAYGL_MODE_OFF; | |
2124 | } else { | |
2125 | goto invalid_sdl_args; | |
2126 | } | |
2127 | } else { | |
2128 | invalid_sdl_args: | |
2129 | error_report("invalid SDL option string"); | |
2130 | exit(1); | |
2131 | } | |
2132 | opts = nextopt; | |
2133 | } | |
2134 | } else if (strstart(p, "vnc", &opts)) { | |
2135 | /* | |
2136 | * vnc isn't a (local) DisplayType but a protocol for remote | |
2137 | * display access. | |
2138 | */ | |
2139 | if (*opts == '=') { | |
2140 | vnc_parse(opts + 1, &error_fatal); | |
2141 | } else { | |
2142 | error_report("VNC requires a display argument vnc=<display>"); | |
2143 | exit(1); | |
2144 | } | |
2145 | } else { | |
2146 | parse_display_qapi(p); | |
2147 | } | |
2148 | } | |
2149 | ||
2150 | char *qemu_find_file(int type, const char *name) | |
2151 | { | |
2152 | int i; | |
2153 | const char *subdir; | |
2154 | char *buf; | |
2155 | ||
2156 | /* Try the name as a straight path first */ | |
2157 | if (access(name, R_OK) == 0) { | |
2158 | trace_load_file(name, name); | |
2159 | return g_strdup(name); | |
2160 | } | |
2161 | ||
2162 | switch (type) { | |
2163 | case QEMU_FILE_TYPE_BIOS: | |
2164 | subdir = ""; | |
2165 | break; | |
2166 | case QEMU_FILE_TYPE_KEYMAP: | |
2167 | subdir = "keymaps/"; | |
2168 | break; | |
2169 | default: | |
2170 | abort(); | |
2171 | } | |
2172 | ||
2173 | for (i = 0; i < data_dir_idx; i++) { | |
2174 | buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name); | |
2175 | if (access(buf, R_OK) == 0) { | |
2176 | trace_load_file(name, buf); | |
2177 | return buf; | |
2178 | } | |
2179 | g_free(buf); | |
2180 | } | |
2181 | return NULL; | |
2182 | } | |
2183 | ||
2184 | static void qemu_add_data_dir(const char *path) | |
2185 | { | |
2186 | int i; | |
2187 | ||
2188 | if (path == NULL) { | |
2189 | return; | |
2190 | } | |
2191 | if (data_dir_idx == ARRAY_SIZE(data_dir)) { | |
2192 | return; | |
2193 | } | |
2194 | for (i = 0; i < data_dir_idx; i++) { | |
2195 | if (strcmp(data_dir[i], path) == 0) { | |
2196 | return; /* duplicate */ | |
2197 | } | |
2198 | } | |
2199 | data_dir[data_dir_idx++] = g_strdup(path); | |
2200 | } | |
2201 | ||
2202 | static inline bool nonempty_str(const char *str) | |
2203 | { | |
2204 | return str && *str; | |
2205 | } | |
2206 | ||
2207 | static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) | |
2208 | { | |
2209 | gchar *buf; | |
2210 | size_t size; | |
2211 | const char *name, *file, *str; | |
2212 | FWCfgState *fw_cfg = (FWCfgState *) opaque; | |
2213 | ||
2214 | if (fw_cfg == NULL) { | |
2215 | error_setg(errp, "fw_cfg device not available"); | |
2216 | return -1; | |
2217 | } | |
2218 | name = qemu_opt_get(opts, "name"); | |
2219 | file = qemu_opt_get(opts, "file"); | |
2220 | str = qemu_opt_get(opts, "string"); | |
2221 | ||
2222 | /* we need name and either a file or the content string */ | |
2223 | if (!(nonempty_str(name) && (nonempty_str(file) || nonempty_str(str)))) { | |
2224 | error_setg(errp, "invalid argument(s)"); | |
2225 | return -1; | |
2226 | } | |
2227 | if (nonempty_str(file) && nonempty_str(str)) { | |
2228 | error_setg(errp, "file and string are mutually exclusive"); | |
2229 | return -1; | |
2230 | } | |
2231 | if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { | |
2232 | error_setg(errp, "name too long (max. %d char)", | |
2233 | FW_CFG_MAX_FILE_PATH - 1); | |
2234 | return -1; | |
2235 | } | |
2236 | if (strncmp(name, "opt/", 4) != 0) { | |
2237 | warn_report("externally provided fw_cfg item names " | |
2238 | "should be prefixed with \"opt/\""); | |
2239 | } | |
2240 | if (nonempty_str(str)) { | |
2241 | size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */ | |
2242 | buf = g_memdup(str, size); | |
2243 | } else { | |
2244 | GError *err = NULL; | |
2245 | if (!g_file_get_contents(file, &buf, &size, &err)) { | |
2246 | error_setg(errp, "can't load %s: %s", file, err->message); | |
2247 | g_error_free(err); | |
2248 | return -1; | |
2249 | } | |
2250 | } | |
2251 | /* For legacy, keep user files in a specific global order. */ | |
2252 | fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER); | |
2253 | fw_cfg_add_file(fw_cfg, name, buf, size); | |
2254 | fw_cfg_reset_order_override(fw_cfg); | |
2255 | return 0; | |
2256 | } | |
2257 | ||
2258 | static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) | |
2259 | { | |
2260 | return qdev_device_help(opts); | |
2261 | } | |
2262 | ||
2263 | static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
2264 | { | |
2265 | DeviceState *dev; | |
2266 | ||
2267 | dev = qdev_device_add(opts, errp); | |
2268 | if (!dev) { | |
2269 | return -1; | |
2270 | } | |
2271 | object_unref(OBJECT(dev)); | |
2272 | return 0; | |
2273 | } | |
2274 | ||
2275 | static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
2276 | { | |
2277 | Error *local_err = NULL; | |
2278 | ||
2279 | if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) { | |
2280 | if (local_err) { | |
2281 | error_propagate(errp, local_err); | |
2282 | return -1; | |
2283 | } | |
2284 | exit(0); | |
2285 | } | |
2286 | return 0; | |
2287 | } | |
2288 | ||
2289 | #ifdef CONFIG_VIRTFS | |
2290 | static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
2291 | { | |
2292 | return qemu_fsdev_add(opts, errp); | |
2293 | } | |
2294 | #endif | |
2295 | ||
2296 | static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
2297 | { | |
2298 | Chardev *chr; | |
2299 | const char *chardev; | |
2300 | const char *mode; | |
2301 | int flags; | |
2302 | ||
2303 | mode = qemu_opt_get(opts, "mode"); | |
2304 | if (mode == NULL) { | |
2305 | mode = "readline"; | |
2306 | } | |
2307 | if (strcmp(mode, "readline") == 0) { | |
2308 | flags = MONITOR_USE_READLINE; | |
2309 | } else if (strcmp(mode, "control") == 0) { | |
2310 | flags = MONITOR_USE_CONTROL; | |
2311 | } else { | |
2312 | error_setg(errp, "unknown monitor mode \"%s\"", mode); | |
2313 | return -1; | |
2314 | } | |
2315 | ||
2316 | if (qemu_opt_get_bool(opts, "pretty", 0)) | |
2317 | flags |= MONITOR_USE_PRETTY; | |
2318 | ||
2319 | chardev = qemu_opt_get(opts, "chardev"); | |
2320 | if (!chardev) { | |
2321 | error_report("chardev is required"); | |
2322 | exit(1); | |
2323 | } | |
2324 | chr = qemu_chr_find(chardev); | |
2325 | if (chr == NULL) { | |
2326 | error_setg(errp, "chardev \"%s\" not found", chardev); | |
2327 | return -1; | |
2328 | } | |
2329 | ||
2330 | monitor_init(chr, flags); | |
2331 | return 0; | |
2332 | } | |
2333 | ||
2334 | static void monitor_parse(const char *optarg, const char *mode, bool pretty) | |
2335 | { | |
2336 | static int monitor_device_index = 0; | |
2337 | QemuOpts *opts; | |
2338 | const char *p; | |
2339 | char label[32]; | |
2340 | ||
2341 | if (strstart(optarg, "chardev:", &p)) { | |
2342 | snprintf(label, sizeof(label), "%s", p); | |
2343 | } else { | |
2344 | snprintf(label, sizeof(label), "compat_monitor%d", | |
2345 | monitor_device_index); | |
2346 | opts = qemu_chr_parse_compat(label, optarg, true); | |
2347 | if (!opts) { | |
2348 | error_report("parse error: %s", optarg); | |
2349 | exit(1); | |
2350 | } | |
2351 | } | |
2352 | ||
2353 | opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal); | |
2354 | qemu_opt_set(opts, "mode", mode, &error_abort); | |
2355 | qemu_opt_set(opts, "chardev", label, &error_abort); | |
2356 | qemu_opt_set_bool(opts, "pretty", pretty, &error_abort); | |
2357 | monitor_device_index++; | |
2358 | } | |
2359 | ||
2360 | struct device_config { | |
2361 | enum { | |
2362 | DEV_USB, /* -usbdevice */ | |
2363 | DEV_BT, /* -bt */ | |
2364 | DEV_SERIAL, /* -serial */ | |
2365 | DEV_PARALLEL, /* -parallel */ | |
2366 | DEV_DEBUGCON, /* -debugcon */ | |
2367 | DEV_GDB, /* -gdb, -s */ | |
2368 | DEV_SCLP, /* s390 sclp */ | |
2369 | } type; | |
2370 | const char *cmdline; | |
2371 | Location loc; | |
2372 | QTAILQ_ENTRY(device_config) next; | |
2373 | }; | |
2374 | ||
2375 | static QTAILQ_HEAD(, device_config) device_configs = | |
2376 | QTAILQ_HEAD_INITIALIZER(device_configs); | |
2377 | ||
2378 | static void add_device_config(int type, const char *cmdline) | |
2379 | { | |
2380 | struct device_config *conf; | |
2381 | ||
2382 | conf = g_malloc0(sizeof(*conf)); | |
2383 | conf->type = type; | |
2384 | conf->cmdline = cmdline; | |
2385 | loc_save(&conf->loc); | |
2386 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); | |
2387 | } | |
2388 | ||
2389 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
2390 | { | |
2391 | struct device_config *conf; | |
2392 | int rc; | |
2393 | ||
2394 | QTAILQ_FOREACH(conf, &device_configs, next) { | |
2395 | if (conf->type != type) | |
2396 | continue; | |
2397 | loc_push_restore(&conf->loc); | |
2398 | rc = func(conf->cmdline); | |
2399 | loc_pop(&conf->loc); | |
2400 | if (rc) { | |
2401 | return rc; | |
2402 | } | |
2403 | } | |
2404 | return 0; | |
2405 | } | |
2406 | ||
2407 | static int serial_parse(const char *devname) | |
2408 | { | |
2409 | int index = num_serial_hds; | |
2410 | char label[32]; | |
2411 | ||
2412 | if (strcmp(devname, "none") == 0) | |
2413 | return 0; | |
2414 | snprintf(label, sizeof(label), "serial%d", index); | |
2415 | serial_hds = g_renew(Chardev *, serial_hds, index + 1); | |
2416 | ||
2417 | serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); | |
2418 | if (!serial_hds[index]) { | |
2419 | error_report("could not connect serial device" | |
2420 | " to character backend '%s'", devname); | |
2421 | return -1; | |
2422 | } | |
2423 | num_serial_hds++; | |
2424 | return 0; | |
2425 | } | |
2426 | ||
2427 | Chardev *serial_hd(int i) | |
2428 | { | |
2429 | assert(i >= 0); | |
2430 | if (i < num_serial_hds) { | |
2431 | return serial_hds[i]; | |
2432 | } | |
2433 | return NULL; | |
2434 | } | |
2435 | ||
2436 | int serial_max_hds(void) | |
2437 | { | |
2438 | return num_serial_hds; | |
2439 | } | |
2440 | ||
2441 | static int parallel_parse(const char *devname) | |
2442 | { | |
2443 | static int index = 0; | |
2444 | char label[32]; | |
2445 | ||
2446 | if (strcmp(devname, "none") == 0) | |
2447 | return 0; | |
2448 | if (index == MAX_PARALLEL_PORTS) { | |
2449 | error_report("too many parallel ports"); | |
2450 | exit(1); | |
2451 | } | |
2452 | snprintf(label, sizeof(label), "parallel%d", index); | |
2453 | parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); | |
2454 | if (!parallel_hds[index]) { | |
2455 | error_report("could not connect parallel device" | |
2456 | " to character backend '%s'", devname); | |
2457 | return -1; | |
2458 | } | |
2459 | index++; | |
2460 | return 0; | |
2461 | } | |
2462 | ||
2463 | static int debugcon_parse(const char *devname) | |
2464 | { | |
2465 | QemuOpts *opts; | |
2466 | ||
2467 | if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) { | |
2468 | error_report("invalid character backend '%s'", devname); | |
2469 | exit(1); | |
2470 | } | |
2471 | opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL); | |
2472 | if (!opts) { | |
2473 | error_report("already have a debugcon device"); | |
2474 | exit(1); | |
2475 | } | |
2476 | qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort); | |
2477 | qemu_opt_set(opts, "chardev", "debugcon", &error_abort); | |
2478 | return 0; | |
2479 | } | |
2480 | ||
2481 | static gint machine_class_cmp(gconstpointer a, gconstpointer b) | |
2482 | { | |
2483 | const MachineClass *mc1 = a, *mc2 = b; | |
2484 | int res; | |
2485 | ||
2486 | if (mc1->family == NULL) { | |
2487 | if (mc2->family == NULL) { | |
2488 | /* Compare standalone machine types against each other; they sort | |
2489 | * in increasing order. | |
2490 | */ | |
2491 | return strcmp(object_class_get_name(OBJECT_CLASS(mc1)), | |
2492 | object_class_get_name(OBJECT_CLASS(mc2))); | |
2493 | } | |
2494 | ||
2495 | /* Standalone machine types sort after families. */ | |
2496 | return 1; | |
2497 | } | |
2498 | ||
2499 | if (mc2->family == NULL) { | |
2500 | /* Families sort before standalone machine types. */ | |
2501 | return -1; | |
2502 | } | |
2503 | ||
2504 | /* Families sort between each other alphabetically increasingly. */ | |
2505 | res = strcmp(mc1->family, mc2->family); | |
2506 | if (res != 0) { | |
2507 | return res; | |
2508 | } | |
2509 | ||
2510 | /* Within the same family, machine types sort in decreasing order. */ | |
2511 | return strcmp(object_class_get_name(OBJECT_CLASS(mc2)), | |
2512 | object_class_get_name(OBJECT_CLASS(mc1))); | |
2513 | } | |
2514 | ||
2515 | static MachineClass *machine_parse(const char *name, GSList *machines) | |
2516 | { | |
2517 | MachineClass *mc; | |
2518 | GSList *el; | |
2519 | ||
2520 | if (is_help_option(name)) { | |
2521 | printf("Supported machines are:\n"); | |
2522 | machines = g_slist_sort(machines, machine_class_cmp); | |
2523 | for (el = machines; el; el = el->next) { | |
2524 | MachineClass *mc = el->data; | |
2525 | if (mc->alias) { | |
2526 | printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name); | |
2527 | } | |
2528 | printf("%-20s %s%s%s\n", mc->name, mc->desc, | |
2529 | mc->is_default ? " (default)" : "", | |
2530 | mc->deprecation_reason ? " (deprecated)" : ""); | |
2531 | } | |
2532 | exit(0); | |
2533 | } | |
2534 | ||
2535 | mc = find_machine(name, machines); | |
2536 | if (!mc) { | |
2537 | error_report("unsupported machine type"); | |
2538 | error_printf("Use -machine help to list supported machines\n"); | |
2539 | exit(1); | |
2540 | } | |
2541 | return mc; | |
2542 | } | |
2543 | ||
2544 | void qemu_add_exit_notifier(Notifier *notify) | |
2545 | { | |
2546 | notifier_list_add(&exit_notifiers, notify); | |
2547 | } | |
2548 | ||
2549 | void qemu_remove_exit_notifier(Notifier *notify) | |
2550 | { | |
2551 | notifier_remove(notify); | |
2552 | } | |
2553 | ||
2554 | static void qemu_run_exit_notifiers(void) | |
2555 | { | |
2556 | notifier_list_notify(&exit_notifiers, NULL); | |
2557 | } | |
2558 | ||
2559 | static const char *pid_file; | |
2560 | static Notifier qemu_unlink_pidfile_notifier; | |
2561 | ||
2562 | static void qemu_unlink_pidfile(Notifier *n, void *data) | |
2563 | { | |
2564 | if (pid_file) { | |
2565 | unlink(pid_file); | |
2566 | } | |
2567 | } | |
2568 | ||
2569 | bool machine_init_done; | |
2570 | ||
2571 | void qemu_add_machine_init_done_notifier(Notifier *notify) | |
2572 | { | |
2573 | notifier_list_add(&machine_init_done_notifiers, notify); | |
2574 | if (machine_init_done) { | |
2575 | notify->notify(notify, NULL); | |
2576 | } | |
2577 | } | |
2578 | ||
2579 | void qemu_remove_machine_init_done_notifier(Notifier *notify) | |
2580 | { | |
2581 | notifier_remove(notify); | |
2582 | } | |
2583 | ||
2584 | static void qemu_run_machine_init_done_notifiers(void) | |
2585 | { | |
2586 | machine_init_done = true; | |
2587 | notifier_list_notify(&machine_init_done_notifiers, NULL); | |
2588 | } | |
2589 | ||
2590 | static const QEMUOption *lookup_opt(int argc, char **argv, | |
2591 | const char **poptarg, int *poptind) | |
2592 | { | |
2593 | const QEMUOption *popt; | |
2594 | int optind = *poptind; | |
2595 | char *r = argv[optind]; | |
2596 | const char *optarg; | |
2597 | ||
2598 | loc_set_cmdline(argv, optind, 1); | |
2599 | optind++; | |
2600 | /* Treat --foo the same as -foo. */ | |
2601 | if (r[1] == '-') | |
2602 | r++; | |
2603 | popt = qemu_options; | |
2604 | for(;;) { | |
2605 | if (!popt->name) { | |
2606 | error_report("invalid option"); | |
2607 | exit(1); | |
2608 | } | |
2609 | if (!strcmp(popt->name, r + 1)) | |
2610 | break; | |
2611 | popt++; | |
2612 | } | |
2613 | if (popt->flags & HAS_ARG) { | |
2614 | if (optind >= argc) { | |
2615 | error_report("requires an argument"); | |
2616 | exit(1); | |
2617 | } | |
2618 | optarg = argv[optind++]; | |
2619 | loc_set_cmdline(argv, optind - 2, 2); | |
2620 | } else { | |
2621 | optarg = NULL; | |
2622 | } | |
2623 | ||
2624 | *poptarg = optarg; | |
2625 | *poptind = optind; | |
2626 | ||
2627 | return popt; | |
2628 | } | |
2629 | ||
2630 | static MachineClass *select_machine(void) | |
2631 | { | |
2632 | GSList *machines = object_class_get_list(TYPE_MACHINE, false); | |
2633 | MachineClass *machine_class = find_default_machine(machines); | |
2634 | const char *optarg; | |
2635 | QemuOpts *opts; | |
2636 | Location loc; | |
2637 | ||
2638 | loc_push_none(&loc); | |
2639 | ||
2640 | opts = qemu_get_machine_opts(); | |
2641 | qemu_opts_loc_restore(opts); | |
2642 | ||
2643 | optarg = qemu_opt_get(opts, "type"); | |
2644 | if (optarg) { | |
2645 | machine_class = machine_parse(optarg, machines); | |
2646 | } | |
2647 | ||
2648 | if (!machine_class) { | |
2649 | error_report("No machine specified, and there is no default"); | |
2650 | error_printf("Use -machine help to list supported machines\n"); | |
2651 | exit(1); | |
2652 | } | |
2653 | ||
2654 | loc_pop(&loc); | |
2655 | g_slist_free(machines); | |
2656 | return machine_class; | |
2657 | } | |
2658 | ||
2659 | static int machine_set_property(void *opaque, | |
2660 | const char *name, const char *value, | |
2661 | Error **errp) | |
2662 | { | |
2663 | Object *obj = OBJECT(opaque); | |
2664 | Error *local_err = NULL; | |
2665 | char *p, *qom_name; | |
2666 | ||
2667 | if (strcmp(name, "type") == 0) { | |
2668 | return 0; | |
2669 | } | |
2670 | ||
2671 | qom_name = g_strdup(name); | |
2672 | for (p = qom_name; *p; p++) { | |
2673 | if (*p == '_') { | |
2674 | *p = '-'; | |
2675 | } | |
2676 | } | |
2677 | ||
2678 | object_property_parse(obj, value, qom_name, &local_err); | |
2679 | g_free(qom_name); | |
2680 | ||
2681 | if (local_err) { | |
2682 | error_propagate(errp, local_err); | |
2683 | return -1; | |
2684 | } | |
2685 | ||
2686 | return 0; | |
2687 | } | |
2688 | ||
2689 | ||
2690 | /* | |
2691 | * Initial object creation happens before all other | |
2692 | * QEMU data types are created. The majority of objects | |
2693 | * can be created at this point. The rng-egd object | |
2694 | * cannot be created here, as it depends on the chardev | |
2695 | * already existing. | |
2696 | */ | |
2697 | static bool object_create_initial(const char *type, QemuOpts *opts) | |
2698 | { | |
2699 | ObjectClass *klass; | |
2700 | ||
2701 | if (is_help_option(type)) { | |
2702 | GSList *l, *list; | |
2703 | ||
2704 | printf("List of user creatable objects:\n"); | |
2705 | list = object_class_get_list_sorted(TYPE_USER_CREATABLE, false); | |
2706 | for (l = list; l != NULL; l = l->next) { | |
2707 | ObjectClass *oc = OBJECT_CLASS(l->data); | |
2708 | printf(" %s\n", object_class_get_name(oc)); | |
2709 | } | |
2710 | g_slist_free(list); | |
2711 | exit(0); | |
2712 | } | |
2713 | ||
2714 | klass = object_class_by_name(type); | |
2715 | if (klass && qemu_opt_has_help_opt(opts)) { | |
2716 | ObjectPropertyIterator iter; | |
2717 | ObjectProperty *prop; | |
2718 | GPtrArray *array = g_ptr_array_new(); | |
2719 | int i; | |
2720 | ||
2721 | object_class_property_iter_init(&iter, klass); | |
2722 | while ((prop = object_property_iter_next(&iter))) { | |
2723 | GString *str; | |
2724 | ||
2725 | if (!prop->set) { | |
2726 | continue; | |
2727 | } | |
2728 | ||
2729 | str = g_string_new(NULL); | |
2730 | g_string_append_printf(str, " %s=<%s>", prop->name, prop->type); | |
2731 | if (prop->description) { | |
2732 | if (str->len < 24) { | |
2733 | g_string_append_printf(str, "%*s", 24 - (int)str->len, ""); | |
2734 | } | |
2735 | g_string_append_printf(str, " - %s", prop->description); | |
2736 | } | |
2737 | g_ptr_array_add(array, g_string_free(str, false)); | |
2738 | } | |
2739 | g_ptr_array_sort(array, (GCompareFunc)qemu_pstrcmp0); | |
2740 | if (array->len > 0) { | |
2741 | printf("%s options:\n", type); | |
2742 | } else { | |
2743 | printf("There are no options for %s.\n", type); | |
2744 | } | |
2745 | for (i = 0; i < array->len; i++) { | |
2746 | printf("%s\n", (char *)array->pdata[i]); | |
2747 | } | |
2748 | g_ptr_array_set_free_func(array, g_free); | |
2749 | g_ptr_array_free(array, true); | |
2750 | exit(0); | |
2751 | } | |
2752 | ||
2753 | if (g_str_equal(type, "rng-egd") || | |
2754 | g_str_has_prefix(type, "pr-manager-")) { | |
2755 | return false; | |
2756 | } | |
2757 | ||
2758 | #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) | |
2759 | if (g_str_equal(type, "cryptodev-vhost-user")) { | |
2760 | return false; | |
2761 | } | |
2762 | #endif | |
2763 | ||
2764 | /* | |
2765 | * return false for concrete netfilters since | |
2766 | * they depend on netdevs already existing | |
2767 | */ | |
2768 | if (g_str_equal(type, "filter-buffer") || | |
2769 | g_str_equal(type, "filter-dump") || | |
2770 | g_str_equal(type, "filter-mirror") || | |
2771 | g_str_equal(type, "filter-redirector") || | |
2772 | g_str_equal(type, "colo-compare") || | |
2773 | g_str_equal(type, "filter-rewriter") || | |
2774 | g_str_equal(type, "filter-replay")) { | |
2775 | return false; | |
2776 | } | |
2777 | ||
2778 | /* Memory allocation by backends needs to be done | |
2779 | * after configure_accelerator() (due to the tcg_enabled() | |
2780 | * checks at memory_region_init_*()). | |
2781 | * | |
2782 | * Also, allocation of large amounts of memory may delay | |
2783 | * chardev initialization for too long, and trigger timeouts | |
2784 | * on software that waits for a monitor socket to be created | |
2785 | * (e.g. libvirt). | |
2786 | */ | |
2787 | if (g_str_has_prefix(type, "memory-backend-")) { | |
2788 | return false; | |
2789 | } | |
2790 | ||
2791 | return true; | |
2792 | } | |
2793 | ||
2794 | ||
2795 | /* | |
2796 | * The remainder of object creation happens after the | |
2797 | * creation of chardev, fsdev, net clients and device data types. | |
2798 | */ | |
2799 | static bool object_create_delayed(const char *type, QemuOpts *opts) | |
2800 | { | |
2801 | return !object_create_initial(type, opts); | |
2802 | } | |
2803 | ||
2804 | ||
2805 | static void set_memory_options(uint64_t *ram_slots, ram_addr_t *maxram_size, | |
2806 | MachineClass *mc) | |
2807 | { | |
2808 | uint64_t sz; | |
2809 | const char *mem_str; | |
2810 | const ram_addr_t default_ram_size = mc->default_ram_size; | |
2811 | QemuOpts *opts = qemu_find_opts_singleton("memory"); | |
2812 | Location loc; | |
2813 | ||
2814 | loc_push_none(&loc); | |
2815 | qemu_opts_loc_restore(opts); | |
2816 | ||
2817 | sz = 0; | |
2818 | mem_str = qemu_opt_get(opts, "size"); | |
2819 | if (mem_str) { | |
2820 | if (!*mem_str) { | |
2821 | error_report("missing 'size' option value"); | |
2822 | exit(EXIT_FAILURE); | |
2823 | } | |
2824 | ||
2825 | sz = qemu_opt_get_size(opts, "size", ram_size); | |
2826 | ||
2827 | /* Fix up legacy suffix-less format */ | |
2828 | if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { | |
2829 | uint64_t overflow_check = sz; | |
2830 | ||
2831 | sz *= MiB; | |
2832 | if (sz / MiB != overflow_check) { | |
2833 | error_report("too large 'size' option value"); | |
2834 | exit(EXIT_FAILURE); | |
2835 | } | |
2836 | } | |
2837 | } | |
2838 | ||
2839 | /* backward compatibility behaviour for case "-m 0" */ | |
2840 | if (sz == 0) { | |
2841 | sz = default_ram_size; | |
2842 | } | |
2843 | ||
2844 | sz = QEMU_ALIGN_UP(sz, 8192); | |
2845 | ram_size = sz; | |
2846 | if (ram_size != sz) { | |
2847 | error_report("ram size too large"); | |
2848 | exit(EXIT_FAILURE); | |
2849 | } | |
2850 | ||
2851 | /* store value for the future use */ | |
2852 | qemu_opt_set_number(opts, "size", ram_size, &error_abort); | |
2853 | *maxram_size = ram_size; | |
2854 | ||
2855 | if (qemu_opt_get(opts, "maxmem")) { | |
2856 | uint64_t slots; | |
2857 | ||
2858 | sz = qemu_opt_get_size(opts, "maxmem", 0); | |
2859 | slots = qemu_opt_get_number(opts, "slots", 0); | |
2860 | if (sz < ram_size) { | |
2861 | error_report("invalid value of -m option maxmem: " | |
2862 | "maximum memory size (0x%" PRIx64 ") must be at least " | |
2863 | "the initial memory size (0x" RAM_ADDR_FMT ")", | |
2864 | sz, ram_size); | |
2865 | exit(EXIT_FAILURE); | |
2866 | } else if (slots && sz == ram_size) { | |
2867 | error_report("invalid value of -m option maxmem: " | |
2868 | "memory slots were specified but maximum memory size " | |
2869 | "(0x%" PRIx64 ") is equal to the initial memory size " | |
2870 | "(0x" RAM_ADDR_FMT ")", sz, ram_size); | |
2871 | exit(EXIT_FAILURE); | |
2872 | } | |
2873 | ||
2874 | *maxram_size = sz; | |
2875 | *ram_slots = slots; | |
2876 | } else if (qemu_opt_get(opts, "slots")) { | |
2877 | error_report("invalid -m option value: missing 'maxmem' option"); | |
2878 | exit(EXIT_FAILURE); | |
2879 | } | |
2880 | ||
2881 | loc_pop(&loc); | |
2882 | } | |
2883 | ||
2884 | static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
2885 | { | |
2886 | GlobalProperty *g; | |
2887 | ||
2888 | g = g_malloc0(sizeof(*g)); | |
2889 | g->driver = qemu_opt_get(opts, "driver"); | |
2890 | g->property = qemu_opt_get(opts, "property"); | |
2891 | g->value = qemu_opt_get(opts, "value"); | |
2892 | qdev_prop_register_global(g); | |
2893 | return 0; | |
2894 | } | |
2895 | ||
2896 | static int qemu_read_default_config_file(void) | |
2897 | { | |
2898 | int ret; | |
2899 | ||
2900 | ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf"); | |
2901 | if (ret < 0 && ret != -ENOENT) { | |
2902 | return ret; | |
2903 | } | |
2904 | ||
2905 | return 0; | |
2906 | } | |
2907 | ||
2908 | static void user_register_global_props(void) | |
2909 | { | |
2910 | qemu_opts_foreach(qemu_find_opts("global"), | |
2911 | global_init_func, NULL, NULL); | |
2912 | } | |
2913 | ||
2914 | int main(int argc, char **argv, char **envp) | |
2915 | { | |
2916 | int i; | |
2917 | int snapshot, linux_boot; | |
2918 | const char *initrd_filename; | |
2919 | const char *kernel_filename, *kernel_cmdline; | |
2920 | const char *boot_order = NULL; | |
2921 | const char *boot_once = NULL; | |
2922 | DisplayState *ds; | |
2923 | QemuOpts *opts, *machine_opts; | |
2924 | QemuOpts *icount_opts = NULL, *accel_opts = NULL; | |
2925 | QemuOptsList *olist; | |
2926 | int optind; | |
2927 | const char *optarg; | |
2928 | const char *loadvm = NULL; | |
2929 | MachineClass *machine_class; | |
2930 | const char *cpu_option; | |
2931 | const char *vga_model = NULL; | |
2932 | const char *qtest_chrdev = NULL; | |
2933 | const char *qtest_log = NULL; | |
2934 | const char *incoming = NULL; | |
2935 | bool userconfig = true; | |
2936 | bool nographic = false; | |
2937 | int display_remote = 0; | |
2938 | const char *log_mask = NULL; | |
2939 | const char *log_file = NULL; | |
2940 | char *trace_file = NULL; | |
2941 | ram_addr_t maxram_size; | |
2942 | uint64_t ram_slots = 0; | |
2943 | FILE *vmstate_dump_file = NULL; | |
2944 | Error *main_loop_err = NULL; | |
2945 | Error *err = NULL; | |
2946 | bool list_data_dirs = false; | |
2947 | char *dir, **dirs; | |
2948 | BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); | |
2949 | ||
2950 | error_init(argv[0]); | |
2951 | module_call_init(MODULE_INIT_TRACE); | |
2952 | ||
2953 | qemu_init_cpu_list(); | |
2954 | qemu_init_cpu_loop(); | |
2955 | ||
2956 | qemu_mutex_lock_iothread(); | |
2957 | ||
2958 | atexit(qemu_run_exit_notifiers); | |
2959 | qemu_init_exec_dir(argv[0]); | |
2960 | ||
2961 | module_call_init(MODULE_INIT_QOM); | |
2962 | ||
2963 | qemu_add_opts(&qemu_drive_opts); | |
2964 | qemu_add_drive_opts(&qemu_legacy_drive_opts); | |
2965 | qemu_add_drive_opts(&qemu_common_drive_opts); | |
2966 | qemu_add_drive_opts(&qemu_drive_opts); | |
2967 | qemu_add_drive_opts(&bdrv_runtime_opts); | |
2968 | qemu_add_opts(&qemu_chardev_opts); | |
2969 | qemu_add_opts(&qemu_device_opts); | |
2970 | qemu_add_opts(&qemu_netdev_opts); | |
2971 | qemu_add_opts(&qemu_nic_opts); | |
2972 | qemu_add_opts(&qemu_net_opts); | |
2973 | qemu_add_opts(&qemu_rtc_opts); | |
2974 | qemu_add_opts(&qemu_global_opts); | |
2975 | qemu_add_opts(&qemu_mon_opts); | |
2976 | qemu_add_opts(&qemu_trace_opts); | |
2977 | qemu_add_opts(&qemu_option_rom_opts); | |
2978 | qemu_add_opts(&qemu_machine_opts); | |
2979 | qemu_add_opts(&qemu_accel_opts); | |
2980 | qemu_add_opts(&qemu_mem_opts); | |
2981 | qemu_add_opts(&qemu_smp_opts); | |
2982 | qemu_add_opts(&qemu_boot_opts); | |
2983 | qemu_add_opts(&qemu_add_fd_opts); | |
2984 | qemu_add_opts(&qemu_object_opts); | |
2985 | qemu_add_opts(&qemu_tpmdev_opts); | |
2986 | qemu_add_opts(&qemu_realtime_opts); | |
2987 | qemu_add_opts(&qemu_overcommit_opts); | |
2988 | qemu_add_opts(&qemu_msg_opts); | |
2989 | qemu_add_opts(&qemu_name_opts); | |
2990 | qemu_add_opts(&qemu_numa_opts); | |
2991 | qemu_add_opts(&qemu_icount_opts); | |
2992 | qemu_add_opts(&qemu_semihosting_config_opts); | |
2993 | qemu_add_opts(&qemu_fw_cfg_opts); | |
2994 | module_call_init(MODULE_INIT_OPTS); | |
2995 | ||
2996 | runstate_init(); | |
2997 | precopy_infrastructure_init(); | |
2998 | postcopy_infrastructure_init(); | |
2999 | monitor_init_globals(); | |
3000 | ||
3001 | if (qcrypto_init(&err) < 0) { | |
3002 | error_reportf_err(err, "cannot initialize crypto: "); | |
3003 | exit(1); | |
3004 | } | |
3005 | ||
3006 | QLIST_INIT (&vm_change_state_head); | |
3007 | os_setup_early_signal_handling(); | |
3008 | ||
3009 | cpu_option = NULL; | |
3010 | snapshot = 0; | |
3011 | ||
3012 | nb_nics = 0; | |
3013 | ||
3014 | bdrv_init_with_whitelist(); | |
3015 | ||
3016 | autostart = 1; | |
3017 | ||
3018 | /* first pass of option parsing */ | |
3019 | optind = 1; | |
3020 | while (optind < argc) { | |
3021 | if (argv[optind][0] != '-') { | |
3022 | /* disk image */ | |
3023 | optind++; | |
3024 | } else { | |
3025 | const QEMUOption *popt; | |
3026 | ||
3027 | popt = lookup_opt(argc, argv, &optarg, &optind); | |
3028 | switch (popt->index) { | |
3029 | case QEMU_OPTION_nouserconfig: | |
3030 | userconfig = false; | |
3031 | break; | |
3032 | } | |
3033 | } | |
3034 | } | |
3035 | ||
3036 | if (userconfig) { | |
3037 | if (qemu_read_default_config_file() < 0) { | |
3038 | exit(1); | |
3039 | } | |
3040 | } | |
3041 | ||
3042 | /* second pass of option parsing */ | |
3043 | optind = 1; | |
3044 | for(;;) { | |
3045 | if (optind >= argc) | |
3046 | break; | |
3047 | if (argv[optind][0] != '-') { | |
3048 | loc_set_cmdline(argv, optind, 1); | |
3049 | drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); | |
3050 | } else { | |
3051 | const QEMUOption *popt; | |
3052 | ||
3053 | popt = lookup_opt(argc, argv, &optarg, &optind); | |
3054 | if (!(popt->arch_mask & arch_type)) { | |
3055 | error_report("Option not supported for this target"); | |
3056 | exit(1); | |
3057 | } | |
3058 | switch(popt->index) { | |
3059 | case QEMU_OPTION_cpu: | |
3060 | /* hw initialization will check this */ | |
3061 | cpu_option = optarg; | |
3062 | break; | |
3063 | case QEMU_OPTION_hda: | |
3064 | case QEMU_OPTION_hdb: | |
3065 | case QEMU_OPTION_hdc: | |
3066 | case QEMU_OPTION_hdd: | |
3067 | drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, | |
3068 | HD_OPTS); | |
3069 | break; | |
3070 | case QEMU_OPTION_blockdev: | |
3071 | { | |
3072 | Visitor *v; | |
3073 | BlockdevOptionsQueueEntry *bdo; | |
3074 | ||
3075 | v = qobject_input_visitor_new_str(optarg, "driver", | |
3076 | &error_fatal); | |
3077 | ||
3078 | bdo = g_new(BlockdevOptionsQueueEntry, 1); | |
3079 | visit_type_BlockdevOptions(v, NULL, &bdo->bdo, | |
3080 | &error_fatal); | |
3081 | visit_free(v); | |
3082 | loc_save(&bdo->loc); | |
3083 | QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry); | |
3084 | break; | |
3085 | } | |
3086 | case QEMU_OPTION_drive: | |
3087 | if (drive_def(optarg) == NULL) { | |
3088 | exit(1); | |
3089 | } | |
3090 | break; | |
3091 | case QEMU_OPTION_set: | |
3092 | if (qemu_set_option(optarg) != 0) | |
3093 | exit(1); | |
3094 | break; | |
3095 | case QEMU_OPTION_global: | |
3096 | if (qemu_global_option(optarg) != 0) | |
3097 | exit(1); | |
3098 | break; | |
3099 | case QEMU_OPTION_mtdblock: | |
3100 | drive_add(IF_MTD, -1, optarg, MTD_OPTS); | |
3101 | break; | |
3102 | case QEMU_OPTION_sd: | |
3103 | drive_add(IF_SD, -1, optarg, SD_OPTS); | |
3104 | break; | |
3105 | case QEMU_OPTION_pflash: | |
3106 | drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); | |
3107 | break; | |
3108 | case QEMU_OPTION_snapshot: | |
3109 | snapshot = 1; | |
3110 | break; | |
3111 | case QEMU_OPTION_numa: | |
3112 | opts = qemu_opts_parse_noisily(qemu_find_opts("numa"), | |
3113 | optarg, true); | |
3114 | if (!opts) { | |
3115 | exit(1); | |
3116 | } | |
3117 | break; | |
3118 | case QEMU_OPTION_display: | |
3119 | parse_display(optarg); | |
3120 | break; | |
3121 | case QEMU_OPTION_nographic: | |
3122 | olist = qemu_find_opts("machine"); | |
3123 | qemu_opts_parse_noisily(olist, "graphics=off", false); | |
3124 | nographic = true; | |
3125 | dpy.type = DISPLAY_TYPE_NONE; | |
3126 | break; | |
3127 | case QEMU_OPTION_curses: | |
3128 | #ifdef CONFIG_CURSES | |
3129 | dpy.type = DISPLAY_TYPE_CURSES; | |
3130 | #else | |
3131 | error_report("curses or iconv support is disabled"); | |
3132 | exit(1); | |
3133 | #endif | |
3134 | break; | |
3135 | case QEMU_OPTION_portrait: | |
3136 | graphic_rotate = 90; | |
3137 | break; | |
3138 | case QEMU_OPTION_rotate: | |
3139 | graphic_rotate = strtol(optarg, (char **) &optarg, 10); | |
3140 | if (graphic_rotate != 0 && graphic_rotate != 90 && | |
3141 | graphic_rotate != 180 && graphic_rotate != 270) { | |
3142 | error_report("only 90, 180, 270 deg rotation is available"); | |
3143 | exit(1); | |
3144 | } | |
3145 | break; | |
3146 | case QEMU_OPTION_kernel: | |
3147 | qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg, | |
3148 | &error_abort); | |
3149 | break; | |
3150 | case QEMU_OPTION_initrd: | |
3151 | qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg, | |
3152 | &error_abort); | |
3153 | break; | |
3154 | case QEMU_OPTION_append: | |
3155 | qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg, | |
3156 | &error_abort); | |
3157 | break; | |
3158 | case QEMU_OPTION_dtb: | |
3159 | qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg, | |
3160 | &error_abort); | |
3161 | break; | |
3162 | case QEMU_OPTION_cdrom: | |
3163 | drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); | |
3164 | break; | |
3165 | case QEMU_OPTION_boot: | |
3166 | opts = qemu_opts_parse_noisily(qemu_find_opts("boot-opts"), | |
3167 | optarg, true); | |
3168 | if (!opts) { | |
3169 | exit(1); | |
3170 | } | |
3171 | break; | |
3172 | case QEMU_OPTION_fda: | |
3173 | case QEMU_OPTION_fdb: | |
3174 | drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, | |
3175 | optarg, FD_OPTS); | |
3176 | break; | |
3177 | case QEMU_OPTION_no_fd_bootchk: | |
3178 | fd_bootchk = 0; | |
3179 | break; | |
3180 | case QEMU_OPTION_netdev: | |
3181 | default_net = 0; | |
3182 | if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) { | |
3183 | exit(1); | |
3184 | } | |
3185 | break; | |
3186 | case QEMU_OPTION_nic: | |
3187 | default_net = 0; | |
3188 | if (net_client_parse(qemu_find_opts("nic"), optarg) == -1) { | |
3189 | exit(1); | |
3190 | } | |
3191 | break; | |
3192 | case QEMU_OPTION_net: | |
3193 | default_net = 0; | |
3194 | if (net_client_parse(qemu_find_opts("net"), optarg) == -1) { | |
3195 | exit(1); | |
3196 | } | |
3197 | break; | |
3198 | #ifdef CONFIG_LIBISCSI | |
3199 | case QEMU_OPTION_iscsi: | |
3200 | opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"), | |
3201 | optarg, false); | |
3202 | if (!opts) { | |
3203 | exit(1); | |
3204 | } | |
3205 | break; | |
3206 | #endif | |
3207 | case QEMU_OPTION_bt: | |
3208 | warn_report("The bluetooth subsystem is deprecated and will " | |
3209 | "be removed soon. If the bluetooth subsystem is " | |
3210 | "still useful for you, please send a mail to " | |
3211 | "qemu-devel@nongnu.org with your usecase."); | |
3212 | add_device_config(DEV_BT, optarg); | |
3213 | break; | |
3214 | case QEMU_OPTION_audio_help: | |
3215 | audio_legacy_help(); | |
3216 | exit (0); | |
3217 | break; | |
3218 | case QEMU_OPTION_audiodev: | |
3219 | audio_parse_option(optarg); | |
3220 | break; | |
3221 | case QEMU_OPTION_soundhw: | |
3222 | select_soundhw (optarg); | |
3223 | break; | |
3224 | case QEMU_OPTION_h: | |
3225 | help(0); | |
3226 | break; | |
3227 | case QEMU_OPTION_version: | |
3228 | version(); | |
3229 | exit(0); | |
3230 | break; | |
3231 | case QEMU_OPTION_m: | |
3232 | opts = qemu_opts_parse_noisily(qemu_find_opts("memory"), | |
3233 | optarg, true); | |
3234 | if (!opts) { | |
3235 | exit(EXIT_FAILURE); | |
3236 | } | |
3237 | break; | |
3238 | #ifdef CONFIG_TPM | |
3239 | case QEMU_OPTION_tpmdev: | |
3240 | if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) { | |
3241 | exit(1); | |
3242 | } | |
3243 | break; | |
3244 | #endif | |
3245 | case QEMU_OPTION_mempath: | |
3246 | mem_path = optarg; | |
3247 | break; | |
3248 | case QEMU_OPTION_mem_prealloc: | |
3249 | mem_prealloc = 1; | |
3250 | break; | |
3251 | case QEMU_OPTION_d: | |
3252 | log_mask = optarg; | |
3253 | break; | |
3254 | case QEMU_OPTION_D: | |
3255 | log_file = optarg; | |
3256 | break; | |
3257 | case QEMU_OPTION_DFILTER: | |
3258 | qemu_set_dfilter_ranges(optarg, &error_fatal); | |
3259 | break; | |
3260 | case QEMU_OPTION_seed: | |
3261 | qemu_guest_random_seed_main(optarg, &error_fatal); | |
3262 | break; | |
3263 | case QEMU_OPTION_s: | |
3264 | add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT); | |
3265 | break; | |
3266 | case QEMU_OPTION_gdb: | |
3267 | add_device_config(DEV_GDB, optarg); | |
3268 | break; | |
3269 | case QEMU_OPTION_L: | |
3270 | if (is_help_option(optarg)) { | |
3271 | list_data_dirs = true; | |
3272 | } else { | |
3273 | qemu_add_data_dir(optarg); | |
3274 | } | |
3275 | break; | |
3276 | case QEMU_OPTION_bios: | |
3277 | qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg, | |
3278 | &error_abort); | |
3279 | break; | |
3280 | case QEMU_OPTION_singlestep: | |
3281 | singlestep = 1; | |
3282 | break; | |
3283 | case QEMU_OPTION_S: | |
3284 | autostart = 0; | |
3285 | break; | |
3286 | case QEMU_OPTION_k: | |
3287 | keyboard_layout = optarg; | |
3288 | break; | |
3289 | case QEMU_OPTION_vga: | |
3290 | vga_model = optarg; | |
3291 | default_vga = 0; | |
3292 | break; | |
3293 | case QEMU_OPTION_g: | |
3294 | { | |
3295 | const char *p; | |
3296 | int w, h, depth; | |
3297 | p = optarg; | |
3298 | w = strtol(p, (char **)&p, 10); | |
3299 | if (w <= 0) { | |
3300 | graphic_error: | |
3301 | error_report("invalid resolution or depth"); | |
3302 | exit(1); | |
3303 | } | |
3304 | if (*p != 'x') | |
3305 | goto graphic_error; | |
3306 | p++; | |
3307 | h = strtol(p, (char **)&p, 10); | |
3308 | if (h <= 0) | |
3309 | goto graphic_error; | |
3310 | if (*p == 'x') { | |
3311 | p++; | |
3312 | depth = strtol(p, (char **)&p, 10); | |
3313 | if (depth != 8 && depth != 15 && depth != 16 && | |
3314 | depth != 24 && depth != 32) | |
3315 | goto graphic_error; | |
3316 | } else if (*p == '\0') { | |
3317 | depth = graphic_depth; | |
3318 | } else { | |
3319 | goto graphic_error; | |
3320 | } | |
3321 | ||
3322 | graphic_width = w; | |
3323 | graphic_height = h; | |
3324 | graphic_depth = depth; | |
3325 | } | |
3326 | break; | |
3327 | case QEMU_OPTION_echr: | |
3328 | { | |
3329 | char *r; | |
3330 | term_escape_char = strtol(optarg, &r, 0); | |
3331 | if (r == optarg) | |
3332 | printf("Bad argument to echr\n"); | |
3333 | break; | |
3334 | } | |
3335 | case QEMU_OPTION_monitor: | |
3336 | default_monitor = 0; | |
3337 | if (strncmp(optarg, "none", 4)) { | |
3338 | monitor_parse(optarg, "readline", false); | |
3339 | } | |
3340 | break; | |
3341 | case QEMU_OPTION_qmp: | |
3342 | monitor_parse(optarg, "control", false); | |
3343 | default_monitor = 0; | |
3344 | break; | |
3345 | case QEMU_OPTION_qmp_pretty: | |
3346 | monitor_parse(optarg, "control", true); | |
3347 | default_monitor = 0; | |
3348 | break; | |
3349 | case QEMU_OPTION_mon: | |
3350 | opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg, | |
3351 | true); | |
3352 | if (!opts) { | |
3353 | exit(1); | |
3354 | } | |
3355 | default_monitor = 0; | |
3356 | break; | |
3357 | case QEMU_OPTION_chardev: | |
3358 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), | |
3359 | optarg, true); | |
3360 | if (!opts) { | |
3361 | exit(1); | |
3362 | } | |
3363 | break; | |
3364 | case QEMU_OPTION_fsdev: | |
3365 | olist = qemu_find_opts("fsdev"); | |
3366 | if (!olist) { | |
3367 | error_report("fsdev support is disabled"); | |
3368 | exit(1); | |
3369 | } | |
3370 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3371 | if (!opts) { | |
3372 | exit(1); | |
3373 | } | |
3374 | break; | |
3375 | case QEMU_OPTION_virtfs: { | |
3376 | QemuOpts *fsdev; | |
3377 | QemuOpts *device; | |
3378 | const char *writeout, *sock_fd, *socket, *path, *security_model; | |
3379 | ||
3380 | olist = qemu_find_opts("virtfs"); | |
3381 | if (!olist) { | |
3382 | error_report("virtfs support is disabled"); | |
3383 | exit(1); | |
3384 | } | |
3385 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3386 | if (!opts) { | |
3387 | exit(1); | |
3388 | } | |
3389 | ||
3390 | if (qemu_opt_get(opts, "fsdriver") == NULL || | |
3391 | qemu_opt_get(opts, "mount_tag") == NULL) { | |
3392 | error_report("Usage: -virtfs fsdriver,mount_tag=tag"); | |
3393 | exit(1); | |
3394 | } | |
3395 | fsdev = qemu_opts_create(qemu_find_opts("fsdev"), | |
3396 | qemu_opts_id(opts) ?: | |
3397 | qemu_opt_get(opts, "mount_tag"), | |
3398 | 1, NULL); | |
3399 | if (!fsdev) { | |
3400 | error_report("duplicate or invalid fsdev id: %s", | |
3401 | qemu_opt_get(opts, "mount_tag")); | |
3402 | exit(1); | |
3403 | } | |
3404 | ||
3405 | writeout = qemu_opt_get(opts, "writeout"); | |
3406 | if (writeout) { | |
3407 | #ifdef CONFIG_SYNC_FILE_RANGE | |
3408 | qemu_opt_set(fsdev, "writeout", writeout, &error_abort); | |
3409 | #else | |
3410 | error_report("writeout=immediate not supported " | |
3411 | "on this platform"); | |
3412 | exit(1); | |
3413 | #endif | |
3414 | } | |
3415 | qemu_opt_set(fsdev, "fsdriver", | |
3416 | qemu_opt_get(opts, "fsdriver"), &error_abort); | |
3417 | path = qemu_opt_get(opts, "path"); | |
3418 | if (path) { | |
3419 | qemu_opt_set(fsdev, "path", path, &error_abort); | |
3420 | } | |
3421 | security_model = qemu_opt_get(opts, "security_model"); | |
3422 | if (security_model) { | |
3423 | qemu_opt_set(fsdev, "security_model", security_model, | |
3424 | &error_abort); | |
3425 | } | |
3426 | socket = qemu_opt_get(opts, "socket"); | |
3427 | if (socket) { | |
3428 | qemu_opt_set(fsdev, "socket", socket, &error_abort); | |
3429 | } | |
3430 | sock_fd = qemu_opt_get(opts, "sock_fd"); | |
3431 | if (sock_fd) { | |
3432 | qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort); | |
3433 | } | |
3434 | ||
3435 | qemu_opt_set_bool(fsdev, "readonly", | |
3436 | qemu_opt_get_bool(opts, "readonly", 0), | |
3437 | &error_abort); | |
3438 | device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, | |
3439 | &error_abort); | |
3440 | qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort); | |
3441 | qemu_opt_set(device, "fsdev", | |
3442 | qemu_opts_id(fsdev), &error_abort); | |
3443 | qemu_opt_set(device, "mount_tag", | |
3444 | qemu_opt_get(opts, "mount_tag"), &error_abort); | |
3445 | break; | |
3446 | } | |
3447 | case QEMU_OPTION_virtfs_synth: { | |
3448 | QemuOpts *fsdev; | |
3449 | QemuOpts *device; | |
3450 | ||
3451 | warn_report("'-virtfs_synth' is deprecated, please use " | |
3452 | "'-fsdev synth' and '-device virtio-9p-...' " | |
3453 | "instead"); | |
3454 | ||
3455 | fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", | |
3456 | 1, NULL); | |
3457 | if (!fsdev) { | |
3458 | error_report("duplicate option: %s", "virtfs_synth"); | |
3459 | exit(1); | |
3460 | } | |
3461 | qemu_opt_set(fsdev, "fsdriver", "synth", &error_abort); | |
3462 | ||
3463 | device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, | |
3464 | &error_abort); | |
3465 | qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort); | |
3466 | qemu_opt_set(device, "fsdev", "v_synth", &error_abort); | |
3467 | qemu_opt_set(device, "mount_tag", "v_synth", &error_abort); | |
3468 | break; | |
3469 | } | |
3470 | case QEMU_OPTION_serial: | |
3471 | add_device_config(DEV_SERIAL, optarg); | |
3472 | default_serial = 0; | |
3473 | if (strncmp(optarg, "mon:", 4) == 0) { | |
3474 | default_monitor = 0; | |
3475 | } | |
3476 | break; | |
3477 | case QEMU_OPTION_watchdog: | |
3478 | if (watchdog) { | |
3479 | error_report("only one watchdog option may be given"); | |
3480 | return 1; | |
3481 | } | |
3482 | watchdog = optarg; | |
3483 | break; | |
3484 | case QEMU_OPTION_watchdog_action: | |
3485 | if (select_watchdog_action(optarg) == -1) { | |
3486 | error_report("unknown -watchdog-action parameter"); | |
3487 | exit(1); | |
3488 | } | |
3489 | break; | |
3490 | case QEMU_OPTION_parallel: | |
3491 | add_device_config(DEV_PARALLEL, optarg); | |
3492 | default_parallel = 0; | |
3493 | if (strncmp(optarg, "mon:", 4) == 0) { | |
3494 | default_monitor = 0; | |
3495 | } | |
3496 | break; | |
3497 | case QEMU_OPTION_debugcon: | |
3498 | add_device_config(DEV_DEBUGCON, optarg); | |
3499 | break; | |
3500 | case QEMU_OPTION_loadvm: | |
3501 | loadvm = optarg; | |
3502 | break; | |
3503 | case QEMU_OPTION_full_screen: | |
3504 | dpy.has_full_screen = true; | |
3505 | dpy.full_screen = true; | |
3506 | break; | |
3507 | case QEMU_OPTION_alt_grab: | |
3508 | alt_grab = 1; | |
3509 | break; | |
3510 | case QEMU_OPTION_ctrl_grab: | |
3511 | ctrl_grab = 1; | |
3512 | break; | |
3513 | case QEMU_OPTION_no_quit: | |
3514 | dpy.has_window_close = true; | |
3515 | dpy.window_close = false; | |
3516 | break; | |
3517 | case QEMU_OPTION_sdl: | |
3518 | #ifdef CONFIG_SDL | |
3519 | dpy.type = DISPLAY_TYPE_SDL; | |
3520 | break; | |
3521 | #else | |
3522 | error_report("SDL support is disabled"); | |
3523 | exit(1); | |
3524 | #endif | |
3525 | case QEMU_OPTION_pidfile: | |
3526 | pid_file = optarg; | |
3527 | break; | |
3528 | case QEMU_OPTION_win2k_hack: | |
3529 | win2k_install_hack = 1; | |
3530 | break; | |
3531 | case QEMU_OPTION_acpitable: | |
3532 | opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"), | |
3533 | optarg, true); | |
3534 | if (!opts) { | |
3535 | exit(1); | |
3536 | } | |
3537 | acpi_table_add(opts, &error_fatal); | |
3538 | break; | |
3539 | case QEMU_OPTION_smbios: | |
3540 | opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"), | |
3541 | optarg, false); | |
3542 | if (!opts) { | |
3543 | exit(1); | |
3544 | } | |
3545 | smbios_entry_add(opts, &error_fatal); | |
3546 | break; | |
3547 | case QEMU_OPTION_fwcfg: | |
3548 | opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"), | |
3549 | optarg, true); | |
3550 | if (opts == NULL) { | |
3551 | exit(1); | |
3552 | } | |
3553 | break; | |
3554 | case QEMU_OPTION_preconfig: | |
3555 | preconfig_exit_requested = false; | |
3556 | break; | |
3557 | case QEMU_OPTION_enable_kvm: | |
3558 | olist = qemu_find_opts("machine"); | |
3559 | qemu_opts_parse_noisily(olist, "accel=kvm", false); | |
3560 | break; | |
3561 | case QEMU_OPTION_M: | |
3562 | case QEMU_OPTION_machine: | |
3563 | olist = qemu_find_opts("machine"); | |
3564 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3565 | if (!opts) { | |
3566 | exit(1); | |
3567 | } | |
3568 | break; | |
3569 | case QEMU_OPTION_no_kvm: | |
3570 | olist = qemu_find_opts("machine"); | |
3571 | qemu_opts_parse_noisily(olist, "accel=tcg", false); | |
3572 | break; | |
3573 | case QEMU_OPTION_accel: | |
3574 | accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"), | |
3575 | optarg, true); | |
3576 | optarg = qemu_opt_get(accel_opts, "accel"); | |
3577 | if (!optarg || is_help_option(optarg)) { | |
3578 | printf("Possible accelerators: kvm, xen, hax, tcg\n"); | |
3579 | exit(0); | |
3580 | } | |
3581 | opts = qemu_opts_create(qemu_find_opts("machine"), NULL, | |
3582 | false, &error_abort); | |
3583 | qemu_opt_set(opts, "accel", optarg, &error_abort); | |
3584 | break; | |
3585 | case QEMU_OPTION_usb: | |
3586 | olist = qemu_find_opts("machine"); | |
3587 | qemu_opts_parse_noisily(olist, "usb=on", false); | |
3588 | break; | |
3589 | case QEMU_OPTION_usbdevice: | |
3590 | error_report("'-usbdevice' is deprecated, please use " | |
3591 | "'-device usb-...' instead"); | |
3592 | olist = qemu_find_opts("machine"); | |
3593 | qemu_opts_parse_noisily(olist, "usb=on", false); | |
3594 | add_device_config(DEV_USB, optarg); | |
3595 | break; | |
3596 | case QEMU_OPTION_device: | |
3597 | if (!qemu_opts_parse_noisily(qemu_find_opts("device"), | |
3598 | optarg, true)) { | |
3599 | exit(1); | |
3600 | } | |
3601 | break; | |
3602 | case QEMU_OPTION_smp: | |
3603 | if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"), | |
3604 | optarg, true)) { | |
3605 | exit(1); | |
3606 | } | |
3607 | break; | |
3608 | case QEMU_OPTION_vnc: | |
3609 | vnc_parse(optarg, &error_fatal); | |
3610 | break; | |
3611 | case QEMU_OPTION_no_acpi: | |
3612 | acpi_enabled = 0; | |
3613 | break; | |
3614 | case QEMU_OPTION_no_hpet: | |
3615 | no_hpet = 1; | |
3616 | break; | |
3617 | case QEMU_OPTION_no_reboot: | |
3618 | no_reboot = 1; | |
3619 | break; | |
3620 | case QEMU_OPTION_no_shutdown: | |
3621 | no_shutdown = 1; | |
3622 | break; | |
3623 | case QEMU_OPTION_show_cursor: | |
3624 | cursor_hide = 0; | |
3625 | break; | |
3626 | case QEMU_OPTION_uuid: | |
3627 | if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) { | |
3628 | error_report("failed to parse UUID string: wrong format"); | |
3629 | exit(1); | |
3630 | } | |
3631 | qemu_uuid_set = true; | |
3632 | break; | |
3633 | case QEMU_OPTION_option_rom: | |
3634 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
3635 | error_report("too many option ROMs"); | |
3636 | exit(1); | |
3637 | } | |
3638 | opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"), | |
3639 | optarg, true); | |
3640 | if (!opts) { | |
3641 | exit(1); | |
3642 | } | |
3643 | option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile"); | |
3644 | option_rom[nb_option_roms].bootindex = | |
3645 | qemu_opt_get_number(opts, "bootindex", -1); | |
3646 | if (!option_rom[nb_option_roms].name) { | |
3647 | error_report("Option ROM file is not specified"); | |
3648 | exit(1); | |
3649 | } | |
3650 | nb_option_roms++; | |
3651 | break; | |
3652 | case QEMU_OPTION_semihosting: | |
3653 | qemu_semihosting_enable(); | |
3654 | break; | |
3655 | case QEMU_OPTION_semihosting_config: | |
3656 | if (qemu_semihosting_config_options(optarg) != 0) { | |
3657 | exit(1); | |
3658 | } | |
3659 | break; | |
3660 | case QEMU_OPTION_name: | |
3661 | opts = qemu_opts_parse_noisily(qemu_find_opts("name"), | |
3662 | optarg, true); | |
3663 | if (!opts) { | |
3664 | exit(1); | |
3665 | } | |
3666 | break; | |
3667 | case QEMU_OPTION_prom_env: | |
3668 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
3669 | error_report("too many prom variables"); | |
3670 | exit(1); | |
3671 | } | |
3672 | prom_envs[nb_prom_envs] = optarg; | |
3673 | nb_prom_envs++; | |
3674 | break; | |
3675 | case QEMU_OPTION_old_param: | |
3676 | old_param = 1; | |
3677 | break; | |
3678 | case QEMU_OPTION_rtc: | |
3679 | opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg, | |
3680 | false); | |
3681 | if (!opts) { | |
3682 | exit(1); | |
3683 | } | |
3684 | break; | |
3685 | case QEMU_OPTION_tb_size: | |
3686 | #ifndef CONFIG_TCG | |
3687 | error_report("TCG is disabled"); | |
3688 | exit(1); | |
3689 | #endif | |
3690 | if (qemu_strtoul(optarg, NULL, 0, &tcg_tb_size) < 0) { | |
3691 | error_report("Invalid argument to -tb-size"); | |
3692 | exit(1); | |
3693 | } | |
3694 | break; | |
3695 | case QEMU_OPTION_icount: | |
3696 | icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"), | |
3697 | optarg, true); | |
3698 | if (!icount_opts) { | |
3699 | exit(1); | |
3700 | } | |
3701 | break; | |
3702 | case QEMU_OPTION_incoming: | |
3703 | if (!incoming) { | |
3704 | runstate_set(RUN_STATE_INMIGRATE); | |
3705 | } | |
3706 | incoming = optarg; | |
3707 | break; | |
3708 | case QEMU_OPTION_only_migratable: | |
3709 | only_migratable = 1; | |
3710 | break; | |
3711 | case QEMU_OPTION_nodefaults: | |
3712 | has_defaults = 0; | |
3713 | break; | |
3714 | case QEMU_OPTION_xen_domid: | |
3715 | if (!(xen_available())) { | |
3716 | error_report("Option not supported for this target"); | |
3717 | exit(1); | |
3718 | } | |
3719 | xen_domid = atoi(optarg); | |
3720 | break; | |
3721 | case QEMU_OPTION_xen_attach: | |
3722 | if (!(xen_available())) { | |
3723 | error_report("Option not supported for this target"); | |
3724 | exit(1); | |
3725 | } | |
3726 | xen_mode = XEN_ATTACH; | |
3727 | break; | |
3728 | case QEMU_OPTION_xen_domid_restrict: | |
3729 | if (!(xen_available())) { | |
3730 | error_report("Option not supported for this target"); | |
3731 | exit(1); | |
3732 | } | |
3733 | xen_domid_restrict = true; | |
3734 | break; | |
3735 | case QEMU_OPTION_trace: | |
3736 | g_free(trace_file); | |
3737 | trace_file = trace_opt_parse(optarg); | |
3738 | break; | |
3739 | case QEMU_OPTION_readconfig: | |
3740 | { | |
3741 | int ret = qemu_read_config_file(optarg); | |
3742 | if (ret < 0) { | |
3743 | error_report("read config %s: %s", optarg, | |
3744 | strerror(-ret)); | |
3745 | exit(1); | |
3746 | } | |
3747 | break; | |
3748 | } | |
3749 | case QEMU_OPTION_spice: | |
3750 | olist = qemu_find_opts("spice"); | |
3751 | if (!olist) { | |
3752 | error_report("spice support is disabled"); | |
3753 | exit(1); | |
3754 | } | |
3755 | opts = qemu_opts_parse_noisily(olist, optarg, false); | |
3756 | if (!opts) { | |
3757 | exit(1); | |
3758 | } | |
3759 | display_remote++; | |
3760 | break; | |
3761 | case QEMU_OPTION_writeconfig: | |
3762 | { | |
3763 | FILE *fp; | |
3764 | if (strcmp(optarg, "-") == 0) { | |
3765 | fp = stdout; | |
3766 | } else { | |
3767 | fp = fopen(optarg, "w"); | |
3768 | if (fp == NULL) { | |
3769 | error_report("open %s: %s", optarg, | |
3770 | strerror(errno)); | |
3771 | exit(1); | |
3772 | } | |
3773 | } | |
3774 | qemu_config_write(fp); | |
3775 | if (fp != stdout) { | |
3776 | fclose(fp); | |
3777 | } | |
3778 | break; | |
3779 | } | |
3780 | case QEMU_OPTION_qtest: | |
3781 | qtest_chrdev = optarg; | |
3782 | break; | |
3783 | case QEMU_OPTION_qtest_log: | |
3784 | qtest_log = optarg; | |
3785 | break; | |
3786 | case QEMU_OPTION_sandbox: | |
3787 | olist = qemu_find_opts("sandbox"); | |
3788 | if (!olist) { | |
3789 | #ifndef CONFIG_SECCOMP | |
3790 | error_report("-sandbox support is not enabled " | |
3791 | "in this QEMU binary"); | |
3792 | #endif | |
3793 | exit(1); | |
3794 | } | |
3795 | ||
3796 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3797 | if (!opts) { | |
3798 | exit(1); | |
3799 | } | |
3800 | break; | |
3801 | case QEMU_OPTION_add_fd: | |
3802 | #ifndef _WIN32 | |
3803 | opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"), | |
3804 | optarg, false); | |
3805 | if (!opts) { | |
3806 | exit(1); | |
3807 | } | |
3808 | #else | |
3809 | error_report("File descriptor passing is disabled on this " | |
3810 | "platform"); | |
3811 | exit(1); | |
3812 | #endif | |
3813 | break; | |
3814 | case QEMU_OPTION_object: | |
3815 | opts = qemu_opts_parse_noisily(qemu_find_opts("object"), | |
3816 | optarg, true); | |
3817 | if (!opts) { | |
3818 | exit(1); | |
3819 | } | |
3820 | break; | |
3821 | case QEMU_OPTION_realtime: | |
3822 | warn_report("'-realtime mlock=...' is deprecated, please use " | |
3823 | "'-overcommit mem-lock=...' instead"); | |
3824 | opts = qemu_opts_parse_noisily(qemu_find_opts("realtime"), | |
3825 | optarg, false); | |
3826 | if (!opts) { | |
3827 | exit(1); | |
3828 | } | |
3829 | /* Don't override the -overcommit option if set */ | |
3830 | enable_mlock = enable_mlock || | |
3831 | qemu_opt_get_bool(opts, "mlock", true); | |
3832 | break; | |
3833 | case QEMU_OPTION_overcommit: | |
3834 | opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"), | |
3835 | optarg, false); | |
3836 | if (!opts) { | |
3837 | exit(1); | |
3838 | } | |
3839 | /* Don't override the -realtime option if set */ | |
3840 | enable_mlock = enable_mlock || | |
3841 | qemu_opt_get_bool(opts, "mem-lock", false); | |
3842 | enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false); | |
3843 | break; | |
3844 | case QEMU_OPTION_msg: | |
3845 | opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg, | |
3846 | false); | |
3847 | if (!opts) { | |
3848 | exit(1); | |
3849 | } | |
3850 | configure_msg(opts); | |
3851 | break; | |
3852 | case QEMU_OPTION_dump_vmstate: | |
3853 | if (vmstate_dump_file) { | |
3854 | error_report("only one '-dump-vmstate' " | |
3855 | "option may be given"); | |
3856 | exit(1); | |
3857 | } | |
3858 | vmstate_dump_file = fopen(optarg, "w"); | |
3859 | if (vmstate_dump_file == NULL) { | |
3860 | error_report("open %s: %s", optarg, strerror(errno)); | |
3861 | exit(1); | |
3862 | } | |
3863 | break; | |
3864 | case QEMU_OPTION_enable_sync_profile: | |
3865 | qsp_enable(); | |
3866 | break; | |
3867 | case QEMU_OPTION_nouserconfig: | |
3868 | /* Nothing to be parsed here. Especially, do not error out below. */ | |
3869 | break; | |
3870 | default: | |
3871 | if (os_parse_cmd_args(popt->index, optarg)) { | |
3872 | error_report("Option not supported in this build"); | |
3873 | exit(1); | |
3874 | } | |
3875 | } | |
3876 | } | |
3877 | } | |
3878 | /* | |
3879 | * Clear error location left behind by the loop. | |
3880 | * Best done right after the loop. Do not insert code here! | |
3881 | */ | |
3882 | loc_set_none(); | |
3883 | ||
3884 | user_register_global_props(); | |
3885 | ||
3886 | replay_configure(icount_opts); | |
3887 | ||
3888 | if (incoming && !preconfig_exit_requested) { | |
3889 | error_report("'preconfig' and 'incoming' options are " | |
3890 | "mutually exclusive"); | |
3891 | exit(EXIT_FAILURE); | |
3892 | } | |
3893 | ||
3894 | configure_rtc(qemu_find_opts_singleton("rtc")); | |
3895 | ||
3896 | machine_class = select_machine(); | |
3897 | object_set_machine_compat_props(machine_class->compat_props); | |
3898 | ||
3899 | set_memory_options(&ram_slots, &maxram_size, machine_class); | |
3900 | ||
3901 | os_daemonize(); | |
3902 | rcu_disable_atfork(); | |
3903 | ||
3904 | if (pid_file && !qemu_write_pidfile(pid_file, &err)) { | |
3905 | error_reportf_err(err, "cannot create PID file: "); | |
3906 | exit(1); | |
3907 | } | |
3908 | ||
3909 | qemu_unlink_pidfile_notifier.notify = qemu_unlink_pidfile; | |
3910 | qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier); | |
3911 | ||
3912 | if (qemu_init_main_loop(&main_loop_err)) { | |
3913 | error_report_err(main_loop_err); | |
3914 | exit(1); | |
3915 | } | |
3916 | ||
3917 | #ifdef CONFIG_SECCOMP | |
3918 | olist = qemu_find_opts_err("sandbox", NULL); | |
3919 | if (olist) { | |
3920 | qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal); | |
3921 | } | |
3922 | #endif | |
3923 | ||
3924 | qemu_opts_foreach(qemu_find_opts("name"), | |
3925 | parse_name, NULL, &error_fatal); | |
3926 | ||
3927 | #ifndef _WIN32 | |
3928 | qemu_opts_foreach(qemu_find_opts("add-fd"), | |
3929 | parse_add_fd, NULL, &error_fatal); | |
3930 | ||
3931 | qemu_opts_foreach(qemu_find_opts("add-fd"), | |
3932 | cleanup_add_fd, NULL, &error_fatal); | |
3933 | #endif | |
3934 | ||
3935 | current_machine = MACHINE(object_new(object_class_get_name( | |
3936 | OBJECT_CLASS(machine_class)))); | |
3937 | if (machine_help_func(qemu_get_machine_opts(), current_machine)) { | |
3938 | exit(0); | |
3939 | } | |
3940 | object_property_add_child(object_get_root(), "machine", | |
3941 | OBJECT(current_machine), &error_abort); | |
3942 | object_property_add_child(container_get(OBJECT(current_machine), | |
3943 | "/unattached"), | |
3944 | "sysbus", OBJECT(sysbus_get_default()), | |
3945 | NULL); | |
3946 | ||
3947 | if (machine_class->minimum_page_bits) { | |
3948 | if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) { | |
3949 | /* This would be a board error: specifying a minimum smaller than | |
3950 | * a target's compile-time fixed setting. | |
3951 | */ | |
3952 | g_assert_not_reached(); | |
3953 | } | |
3954 | } | |
3955 | ||
3956 | cpu_exec_init_all(); | |
3957 | ||
3958 | if (machine_class->hw_version) { | |
3959 | qemu_set_hw_version(machine_class->hw_version); | |
3960 | } | |
3961 | ||
3962 | if (cpu_option && is_help_option(cpu_option)) { | |
3963 | list_cpus(cpu_option); | |
3964 | exit(0); | |
3965 | } | |
3966 | ||
3967 | if (!trace_init_backends()) { | |
3968 | exit(1); | |
3969 | } | |
3970 | trace_init_file(trace_file); | |
3971 | ||
3972 | /* Open the logfile at this point and set the log mask if necessary. | |
3973 | */ | |
3974 | if (log_file) { | |
3975 | qemu_set_log_filename(log_file, &error_fatal); | |
3976 | } | |
3977 | ||
3978 | if (log_mask) { | |
3979 | int mask; | |
3980 | mask = qemu_str_to_log_mask(log_mask); | |
3981 | if (!mask) { | |
3982 | qemu_print_log_usage(stdout); | |
3983 | exit(1); | |
3984 | } | |
3985 | qemu_set_log(mask); | |
3986 | } else { | |
3987 | qemu_set_log(0); | |
3988 | } | |
3989 | ||
3990 | /* add configured firmware directories */ | |
3991 | dirs = g_strsplit(CONFIG_QEMU_FIRMWAREPATH, G_SEARCHPATH_SEPARATOR_S, 0); | |
3992 | for (i = 0; dirs[i] != NULL; i++) { | |
3993 | qemu_add_data_dir(dirs[i]); | |
3994 | } | |
3995 | g_strfreev(dirs); | |
3996 | ||
3997 | /* try to find datadir relative to the executable path */ | |
3998 | dir = os_find_datadir(); | |
3999 | qemu_add_data_dir(dir); | |
4000 | g_free(dir); | |
4001 | ||
4002 | /* add the datadir specified when building */ | |
4003 | qemu_add_data_dir(CONFIG_QEMU_DATADIR); | |
4004 | ||
4005 | /* -L help lists the data directories and exits. */ | |
4006 | if (list_data_dirs) { | |
4007 | for (i = 0; i < data_dir_idx; i++) { | |
4008 | printf("%s\n", data_dir[i]); | |
4009 | } | |
4010 | exit(0); | |
4011 | } | |
4012 | ||
4013 | /* machine_class: default to UP */ | |
4014 | machine_class->max_cpus = machine_class->max_cpus ?: 1; | |
4015 | machine_class->min_cpus = machine_class->min_cpus ?: 1; | |
4016 | machine_class->default_cpus = machine_class->default_cpus ?: 1; | |
4017 | ||
4018 | /* default to machine_class->default_cpus */ | |
4019 | smp_cpus = machine_class->default_cpus; | |
4020 | max_cpus = machine_class->default_cpus; | |
4021 | ||
4022 | smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL)); | |
4023 | ||
4024 | /* sanity-check smp_cpus and max_cpus against machine_class */ | |
4025 | if (smp_cpus < machine_class->min_cpus) { | |
4026 | error_report("Invalid SMP CPUs %d. The min CPUs " | |
4027 | "supported by machine '%s' is %d", smp_cpus, | |
4028 | machine_class->name, machine_class->min_cpus); | |
4029 | exit(1); | |
4030 | } | |
4031 | if (max_cpus > machine_class->max_cpus) { | |
4032 | error_report("Invalid SMP CPUs %d. The max CPUs " | |
4033 | "supported by machine '%s' is %d", max_cpus, | |
4034 | machine_class->name, machine_class->max_cpus); | |
4035 | exit(1); | |
4036 | } | |
4037 | ||
4038 | /* | |
4039 | * Get the default machine options from the machine if it is not already | |
4040 | * specified either by the configuration file or by the command line. | |
4041 | */ | |
4042 | if (machine_class->default_machine_opts) { | |
4043 | qemu_opts_set_defaults(qemu_find_opts("machine"), | |
4044 | machine_class->default_machine_opts, 0); | |
4045 | } | |
4046 | ||
4047 | qemu_opts_foreach(qemu_find_opts("device"), | |
4048 | default_driver_check, NULL, NULL); | |
4049 | qemu_opts_foreach(qemu_find_opts("global"), | |
4050 | default_driver_check, NULL, NULL); | |
4051 | ||
4052 | if (!vga_model && !default_vga) { | |
4053 | vga_interface_type = VGA_DEVICE; | |
4054 | } | |
4055 | if (!has_defaults || machine_class->no_serial) { | |
4056 | default_serial = 0; | |
4057 | } | |
4058 | if (!has_defaults || machine_class->no_parallel) { | |
4059 | default_parallel = 0; | |
4060 | } | |
4061 | if (!has_defaults || machine_class->no_floppy) { | |
4062 | default_floppy = 0; | |
4063 | } | |
4064 | if (!has_defaults || machine_class->no_cdrom) { | |
4065 | default_cdrom = 0; | |
4066 | } | |
4067 | if (!has_defaults || machine_class->no_sdcard) { | |
4068 | default_sdcard = 0; | |
4069 | } | |
4070 | if (!has_defaults) { | |
4071 | default_monitor = 0; | |
4072 | default_net = 0; | |
4073 | default_vga = 0; | |
4074 | } | |
4075 | ||
4076 | if (is_daemonized()) { | |
4077 | if (!preconfig_exit_requested) { | |
4078 | error_report("'preconfig' and 'daemonize' options are " | |
4079 | "mutually exclusive"); | |
4080 | exit(EXIT_FAILURE); | |
4081 | } | |
4082 | ||
4083 | /* According to documentation and historically, -nographic redirects | |
4084 | * serial port, parallel port and monitor to stdio, which does not work | |
4085 | * with -daemonize. We can redirect these to null instead, but since | |
4086 | * -nographic is legacy, let's just error out. | |
4087 | * We disallow -nographic only if all other ports are not redirected | |
4088 | * explicitly, to not break existing legacy setups which uses | |
4089 | * -nographic _and_ redirects all ports explicitly - this is valid | |
4090 | * usage, -nographic is just a no-op in this case. | |
4091 | */ | |
4092 | if (nographic | |
4093 | && (default_parallel || default_serial || default_monitor)) { | |
4094 | error_report("-nographic cannot be used with -daemonize"); | |
4095 | exit(1); | |
4096 | } | |
4097 | #ifdef CONFIG_CURSES | |
4098 | if (dpy.type == DISPLAY_TYPE_CURSES) { | |
4099 | error_report("curses display cannot be used with -daemonize"); | |
4100 | exit(1); | |
4101 | } | |
4102 | #endif | |
4103 | } | |
4104 | ||
4105 | if (nographic) { | |
4106 | if (default_parallel) | |
4107 | add_device_config(DEV_PARALLEL, "null"); | |
4108 | if (default_serial && default_monitor) { | |
4109 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
4110 | } else { | |
4111 | if (default_serial) | |
4112 | add_device_config(DEV_SERIAL, "stdio"); | |
4113 | if (default_monitor) | |
4114 | monitor_parse("stdio", "readline", false); | |
4115 | } | |
4116 | } else { | |
4117 | if (default_serial) | |
4118 | add_device_config(DEV_SERIAL, "vc:80Cx24C"); | |
4119 | if (default_parallel) | |
4120 | add_device_config(DEV_PARALLEL, "vc:80Cx24C"); | |
4121 | if (default_monitor) | |
4122 | monitor_parse("vc:80Cx24C", "readline", false); | |
4123 | } | |
4124 | ||
4125 | #if defined(CONFIG_VNC) | |
4126 | if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head))) { | |
4127 | display_remote++; | |
4128 | } | |
4129 | #endif | |
4130 | if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) { | |
4131 | if (!qemu_display_find_default(&dpy)) { | |
4132 | dpy.type = DISPLAY_TYPE_NONE; | |
4133 | #if defined(CONFIG_VNC) | |
4134 | vnc_parse("localhost:0,to=99,id=default", &error_abort); | |
4135 | #endif | |
4136 | } | |
4137 | } | |
4138 | if (dpy.type == DISPLAY_TYPE_DEFAULT) { | |
4139 | dpy.type = DISPLAY_TYPE_NONE; | |
4140 | } | |
4141 | ||
4142 | if ((alt_grab || ctrl_grab) && dpy.type != DISPLAY_TYPE_SDL) { | |
4143 | error_report("-alt-grab and -ctrl-grab are only valid " | |
4144 | "for SDL, ignoring option"); | |
4145 | } | |
4146 | if (dpy.has_window_close && | |
4147 | (dpy.type != DISPLAY_TYPE_GTK && dpy.type != DISPLAY_TYPE_SDL)) { | |
4148 | error_report("-no-quit is only valid for GTK and SDL, " | |
4149 | "ignoring option"); | |
4150 | } | |
4151 | ||
4152 | qemu_display_early_init(&dpy); | |
4153 | qemu_console_early_init(); | |
4154 | ||
4155 | if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) { | |
4156 | #if defined(CONFIG_OPENGL) | |
4157 | error_report("OpenGL is not supported by the display"); | |
4158 | #else | |
4159 | error_report("OpenGL support is disabled"); | |
4160 | #endif | |
4161 | exit(1); | |
4162 | } | |
4163 | ||
4164 | page_size_init(); | |
4165 | socket_init(); | |
4166 | ||
4167 | qemu_opts_foreach(qemu_find_opts("object"), | |
4168 | user_creatable_add_opts_foreach, | |
4169 | object_create_initial, &error_fatal); | |
4170 | ||
4171 | qemu_opts_foreach(qemu_find_opts("chardev"), | |
4172 | chardev_init_func, NULL, &error_fatal); | |
4173 | /* now chardevs have been created we may have semihosting to connect */ | |
4174 | qemu_semihosting_connect_chardevs(); | |
4175 | ||
4176 | #ifdef CONFIG_VIRTFS | |
4177 | qemu_opts_foreach(qemu_find_opts("fsdev"), | |
4178 | fsdev_init_func, NULL, &error_fatal); | |
4179 | #endif | |
4180 | ||
4181 | if (qemu_opts_foreach(qemu_find_opts("device"), | |
4182 | device_help_func, NULL, NULL)) { | |
4183 | exit(0); | |
4184 | } | |
4185 | ||
4186 | /* | |
4187 | * Note: we need to create block backends before | |
4188 | * machine_set_property(), so machine properties can refer to | |
4189 | * them. | |
4190 | */ | |
4191 | configure_blockdev(&bdo_queue, machine_class, snapshot); | |
4192 | ||
4193 | machine_opts = qemu_get_machine_opts(); | |
4194 | qemu_opt_foreach(machine_opts, machine_set_property, current_machine, | |
4195 | &error_fatal); | |
4196 | current_machine->ram_size = ram_size; | |
4197 | current_machine->maxram_size = maxram_size; | |
4198 | current_machine->ram_slots = ram_slots; | |
4199 | ||
4200 | /* | |
4201 | * Note: uses machine properties such as kernel-irqchip, must run | |
4202 | * after machine_set_property(). | |
4203 | */ | |
4204 | configure_accelerator(current_machine, argv[0]); | |
4205 | ||
4206 | /* | |
4207 | * Beware, QOM objects created before this point miss global and | |
4208 | * compat properties. | |
4209 | * | |
4210 | * Global properties get set up by qdev_prop_register_global(), | |
4211 | * called from user_register_global_props(), and certain option | |
4212 | * desugaring. Also in CPU feature desugaring (buried in | |
4213 | * parse_cpu_option()), which happens below this point, but may | |
4214 | * only target the CPU type, which can only be created after | |
4215 | * parse_cpu_option() returned the type. | |
4216 | * | |
4217 | * Machine compat properties: object_set_machine_compat_props(). | |
4218 | * Accelerator compat props: object_set_accelerator_compat_props(), | |
4219 | * called from configure_accelerator(). | |
4220 | */ | |
4221 | ||
4222 | if (!qtest_enabled() && machine_class->deprecation_reason) { | |
4223 | error_report("Machine type '%s' is deprecated: %s", | |
4224 | machine_class->name, machine_class->deprecation_reason); | |
4225 | } | |
4226 | ||
4227 | /* | |
4228 | * Note: creates a QOM object, must run only after global and | |
4229 | * compat properties have been set up. | |
4230 | */ | |
4231 | migration_object_init(); | |
4232 | ||
4233 | if (qtest_chrdev) { | |
4234 | qtest_init(qtest_chrdev, qtest_log, &error_fatal); | |
4235 | } | |
4236 | ||
4237 | machine_opts = qemu_get_machine_opts(); | |
4238 | kernel_filename = qemu_opt_get(machine_opts, "kernel"); | |
4239 | initrd_filename = qemu_opt_get(machine_opts, "initrd"); | |
4240 | kernel_cmdline = qemu_opt_get(machine_opts, "append"); | |
4241 | bios_name = qemu_opt_get(machine_opts, "firmware"); | |
4242 | ||
4243 | opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL); | |
4244 | if (opts) { | |
4245 | boot_order = qemu_opt_get(opts, "order"); | |
4246 | if (boot_order) { | |
4247 | validate_bootdevices(boot_order, &error_fatal); | |
4248 | } | |
4249 | ||
4250 | boot_once = qemu_opt_get(opts, "once"); | |
4251 | if (boot_once) { | |
4252 | validate_bootdevices(boot_once, &error_fatal); | |
4253 | } | |
4254 | ||
4255 | boot_menu = qemu_opt_get_bool(opts, "menu", boot_menu); | |
4256 | boot_strict = qemu_opt_get_bool(opts, "strict", false); | |
4257 | } | |
4258 | ||
4259 | if (!boot_order) { | |
4260 | boot_order = machine_class->default_boot_order; | |
4261 | } | |
4262 | ||
4263 | if (!kernel_cmdline) { | |
4264 | kernel_cmdline = ""; | |
4265 | current_machine->kernel_cmdline = (char *)kernel_cmdline; | |
4266 | } | |
4267 | ||
4268 | linux_boot = (kernel_filename != NULL); | |
4269 | ||
4270 | if (!linux_boot && *kernel_cmdline != '\0') { | |
4271 | error_report("-append only allowed with -kernel option"); | |
4272 | exit(1); | |
4273 | } | |
4274 | ||
4275 | if (!linux_boot && initrd_filename != NULL) { | |
4276 | error_report("-initrd only allowed with -kernel option"); | |
4277 | exit(1); | |
4278 | } | |
4279 | ||
4280 | if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename) { | |
4281 | /* fall back to the -kernel/-append */ | |
4282 | semihosting_arg_fallback(kernel_filename, kernel_cmdline); | |
4283 | } | |
4284 | ||
4285 | os_set_line_buffering(); | |
4286 | ||
4287 | /* spice needs the timers to be initialized by this point */ | |
4288 | qemu_spice_init(); | |
4289 | ||
4290 | cpu_ticks_init(); | |
4291 | if (icount_opts) { | |
4292 | if (!tcg_enabled()) { | |
4293 | error_report("-icount is not allowed with hardware virtualization"); | |
4294 | exit(1); | |
4295 | } | |
4296 | configure_icount(icount_opts, &error_abort); | |
4297 | qemu_opts_del(icount_opts); | |
4298 | } | |
4299 | ||
4300 | if (tcg_enabled()) { | |
4301 | qemu_tcg_configure(accel_opts, &error_fatal); | |
4302 | } | |
4303 | ||
4304 | if (default_net) { | |
4305 | QemuOptsList *net = qemu_find_opts("net"); | |
4306 | qemu_opts_set(net, NULL, "type", "nic", &error_abort); | |
4307 | #ifdef CONFIG_SLIRP | |
4308 | qemu_opts_set(net, NULL, "type", "user", &error_abort); | |
4309 | #endif | |
4310 | } | |
4311 | ||
4312 | if (net_init_clients(&err) < 0) { | |
4313 | error_report_err(err); | |
4314 | exit(1); | |
4315 | } | |
4316 | ||
4317 | qemu_opts_foreach(qemu_find_opts("object"), | |
4318 | user_creatable_add_opts_foreach, | |
4319 | object_create_delayed, &error_fatal); | |
4320 | ||
4321 | tpm_init(); | |
4322 | ||
4323 | /* init the bluetooth world */ | |
4324 | if (foreach_device_config(DEV_BT, bt_parse)) | |
4325 | exit(1); | |
4326 | ||
4327 | if (!xen_enabled()) { | |
4328 | /* On 32-bit hosts, QEMU is limited by virtual address space */ | |
4329 | if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) { | |
4330 | error_report("at most 2047 MB RAM can be simulated"); | |
4331 | exit(1); | |
4332 | } | |
4333 | } | |
4334 | ||
4335 | blk_mig_init(); | |
4336 | ram_mig_init(); | |
4337 | dirty_bitmap_mig_init(); | |
4338 | ||
4339 | qemu_opts_foreach(qemu_find_opts("mon"), | |
4340 | mon_init_func, NULL, &error_fatal); | |
4341 | ||
4342 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) | |
4343 | exit(1); | |
4344 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) | |
4345 | exit(1); | |
4346 | if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) | |
4347 | exit(1); | |
4348 | ||
4349 | /* If no default VGA is requested, the default is "none". */ | |
4350 | if (default_vga) { | |
4351 | vga_model = get_default_vga_model(machine_class); | |
4352 | } | |
4353 | if (vga_model) { | |
4354 | select_vgahw(machine_class, vga_model); | |
4355 | } | |
4356 | ||
4357 | if (watchdog) { | |
4358 | i = select_watchdog(watchdog); | |
4359 | if (i > 0) | |
4360 | exit (i == 1 ? 1 : 0); | |
4361 | } | |
4362 | ||
4363 | /* This checkpoint is required by replay to separate prior clock | |
4364 | reading from the other reads, because timer polling functions query | |
4365 | clock values from the log. */ | |
4366 | replay_checkpoint(CHECKPOINT_INIT); | |
4367 | qdev_machine_init(); | |
4368 | ||
4369 | current_machine->boot_order = boot_order; | |
4370 | ||
4371 | /* parse features once if machine provides default cpu_type */ | |
4372 | current_machine->cpu_type = machine_class->default_cpu_type; | |
4373 | if (cpu_option) { | |
4374 | current_machine->cpu_type = parse_cpu_option(cpu_option); | |
4375 | } | |
4376 | parse_numa_opts(current_machine); | |
4377 | ||
4378 | /* do monitor/qmp handling at preconfig state if requested */ | |
4379 | main_loop(); | |
4380 | ||
4381 | audio_init_audiodevs(); | |
4382 | ||
4383 | /* from here on runstate is RUN_STATE_PRELAUNCH */ | |
4384 | machine_run_board_init(current_machine); | |
4385 | ||
4386 | realtime_init(); | |
4387 | ||
4388 | soundhw_init(); | |
4389 | ||
4390 | if (hax_enabled()) { | |
4391 | hax_sync_vcpus(); | |
4392 | } | |
4393 | ||
4394 | qemu_opts_foreach(qemu_find_opts("fw_cfg"), | |
4395 | parse_fw_cfg, fw_cfg_find(), &error_fatal); | |
4396 | ||
4397 | /* init USB devices */ | |
4398 | if (machine_usb(current_machine)) { | |
4399 | if (foreach_device_config(DEV_USB, usb_parse) < 0) | |
4400 | exit(1); | |
4401 | } | |
4402 | ||
4403 | /* Check if IGD GFX passthrough. */ | |
4404 | igd_gfx_passthru(); | |
4405 | ||
4406 | /* init generic devices */ | |
4407 | rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE); | |
4408 | qemu_opts_foreach(qemu_find_opts("device"), | |
4409 | device_init_func, NULL, &error_fatal); | |
4410 | ||
4411 | cpu_synchronize_all_post_init(); | |
4412 | ||
4413 | rom_reset_order_override(); | |
4414 | ||
4415 | /* Did we create any drives that we failed to create a device for? */ | |
4416 | drive_check_orphaned(); | |
4417 | ||
4418 | /* Don't warn about the default network setup that you get if | |
4419 | * no command line -net or -netdev options are specified. There | |
4420 | * are two cases that we would otherwise complain about: | |
4421 | * (1) board doesn't support a NIC but the implicit "-net nic" | |
4422 | * requested one | |
4423 | * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" | |
4424 | * sets up a nic that isn't connected to anything. | |
4425 | */ | |
4426 | if (!default_net && (!qtest_enabled() || has_defaults)) { | |
4427 | net_check_clients(); | |
4428 | } | |
4429 | ||
4430 | if (boot_once) { | |
4431 | qemu_boot_set(boot_once, &error_fatal); | |
4432 | qemu_register_reset(restore_boot_order, g_strdup(boot_order)); | |
4433 | } | |
4434 | ||
4435 | /* init local displays */ | |
4436 | ds = init_displaystate(); | |
4437 | qemu_display_init(ds, &dpy); | |
4438 | ||
4439 | /* must be after terminal init, SDL library changes signal handlers */ | |
4440 | os_setup_signal_handling(); | |
4441 | ||
4442 | /* init remote displays */ | |
4443 | #ifdef CONFIG_VNC | |
4444 | qemu_opts_foreach(qemu_find_opts("vnc"), | |
4445 | vnc_init_func, NULL, &error_fatal); | |
4446 | #endif | |
4447 | ||
4448 | if (using_spice) { | |
4449 | qemu_spice_display_init(); | |
4450 | } | |
4451 | ||
4452 | if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) { | |
4453 | exit(1); | |
4454 | } | |
4455 | ||
4456 | qdev_machine_creation_done(); | |
4457 | ||
4458 | /* TODO: once all bus devices are qdevified, this should be done | |
4459 | * when bus is created by qdev.c */ | |
4460 | qemu_register_reset(qbus_reset_all_fn, sysbus_get_default()); | |
4461 | qemu_run_machine_init_done_notifiers(); | |
4462 | ||
4463 | if (rom_check_and_register_reset() != 0) { | |
4464 | error_report("rom check and register reset failed"); | |
4465 | exit(1); | |
4466 | } | |
4467 | ||
4468 | replay_start(); | |
4469 | ||
4470 | /* This checkpoint is required by replay to separate prior clock | |
4471 | reading from the other reads, because timer polling functions query | |
4472 | clock values from the log. */ | |
4473 | replay_checkpoint(CHECKPOINT_RESET); | |
4474 | qemu_system_reset(SHUTDOWN_CAUSE_NONE); | |
4475 | register_global_state(); | |
4476 | if (loadvm) { | |
4477 | Error *local_err = NULL; | |
4478 | if (load_snapshot(loadvm, &local_err) < 0) { | |
4479 | error_report_err(local_err); | |
4480 | autostart = 0; | |
4481 | exit(1); | |
4482 | } | |
4483 | } | |
4484 | if (replay_mode != REPLAY_MODE_NONE) { | |
4485 | replay_vmstate_init(); | |
4486 | } | |
4487 | ||
4488 | qdev_prop_check_globals(); | |
4489 | if (vmstate_dump_file) { | |
4490 | /* dump and exit */ | |
4491 | dump_vmstate_json_to_file(vmstate_dump_file); | |
4492 | return 0; | |
4493 | } | |
4494 | ||
4495 | if (incoming) { | |
4496 | Error *local_err = NULL; | |
4497 | qemu_start_incoming_migration(incoming, &local_err); | |
4498 | if (local_err) { | |
4499 | error_reportf_err(local_err, "-incoming %s: ", incoming); | |
4500 | exit(1); | |
4501 | } | |
4502 | } else if (autostart) { | |
4503 | vm_start(); | |
4504 | } | |
4505 | ||
4506 | accel_setup_post(current_machine); | |
4507 | os_setup_post(); | |
4508 | ||
4509 | main_loop(); | |
4510 | ||
4511 | gdbserver_cleanup(); | |
4512 | ||
4513 | /* | |
4514 | * cleaning up the migration object cancels any existing migration | |
4515 | * try to do this early so that it also stops using devices. | |
4516 | */ | |
4517 | migration_shutdown(); | |
4518 | ||
4519 | /* No more vcpu or device emulation activity beyond this point */ | |
4520 | vm_shutdown(); | |
4521 | ||
4522 | job_cancel_sync_all(); | |
4523 | bdrv_close_all(); | |
4524 | ||
4525 | res_free(); | |
4526 | ||
4527 | /* vhost-user must be cleaned up before chardevs. */ | |
4528 | tpm_cleanup(); | |
4529 | net_cleanup(); | |
4530 | audio_cleanup(); | |
4531 | monitor_cleanup(); | |
4532 | qemu_chr_cleanup(); | |
4533 | user_creatable_cleanup(); | |
4534 | /* TODO: unref root container, check all devices are ok */ | |
4535 | ||
4536 | return 0; | |
4537 | } |