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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/help-texts.h" | |
27 | #include "qemu/datadir.h" | |
28 | #include "qemu/units.h" | |
29 | #include "exec/cpu-common.h" | |
30 | #include "exec/page-vary.h" | |
31 | #include "hw/qdev-properties.h" | |
32 | #include "qapi/compat-policy.h" | |
33 | #include "qapi/error.h" | |
34 | #include "qapi/qmp/qdict.h" | |
35 | #include "qapi/qmp/qstring.h" | |
36 | #include "qapi/qmp/qjson.h" | |
37 | #include "qemu-version.h" | |
38 | #include "qemu/cutils.h" | |
39 | #include "qemu/help_option.h" | |
40 | #include "qemu/hw-version.h" | |
41 | #include "qemu/uuid.h" | |
42 | #include "sysemu/reset.h" | |
43 | #include "sysemu/runstate.h" | |
44 | #include "sysemu/runstate-action.h" | |
45 | #include "sysemu/seccomp.h" | |
46 | #include "sysemu/tcg.h" | |
47 | #include "sysemu/xen.h" | |
48 | ||
49 | #include "qemu/error-report.h" | |
50 | #include "qemu/sockets.h" | |
51 | #include "qemu/accel.h" | |
52 | #include "qemu/async-teardown.h" | |
53 | #include "hw/usb.h" | |
54 | #include "hw/isa/isa.h" | |
55 | #include "hw/scsi/scsi.h" | |
56 | #include "hw/display/vga.h" | |
57 | #include "hw/firmware/smbios.h" | |
58 | #include "hw/acpi/acpi.h" | |
59 | #include "hw/xen/xen.h" | |
60 | #include "hw/loader.h" | |
61 | #include "monitor/qdev.h" | |
62 | #include "net/net.h" | |
63 | #include "net/slirp.h" | |
64 | #include "monitor/monitor.h" | |
65 | #include "ui/console.h" | |
66 | #include "ui/input.h" | |
67 | #include "sysemu/sysemu.h" | |
68 | #include "sysemu/numa.h" | |
69 | #include "sysemu/hostmem.h" | |
70 | #include "exec/gdbstub.h" | |
71 | #include "qemu/timer.h" | |
72 | #include "chardev/char.h" | |
73 | #include "qemu/bitmap.h" | |
74 | #include "qemu/log.h" | |
75 | #include "sysemu/blockdev.h" | |
76 | #include "hw/block/block.h" | |
77 | #include "hw/i386/x86.h" | |
78 | #include "hw/i386/pc.h" | |
79 | #include "migration/misc.h" | |
80 | #include "migration/snapshot.h" | |
81 | #include "sysemu/tpm.h" | |
82 | #include "sysemu/dma.h" | |
83 | #include "hw/audio/soundhw.h" | |
84 | #include "audio/audio.h" | |
85 | #include "sysemu/cpus.h" | |
86 | #include "sysemu/cpu-timers.h" | |
87 | #include "migration/colo.h" | |
88 | #include "migration/postcopy-ram.h" | |
89 | #include "sysemu/kvm.h" | |
90 | #include "qapi/qobject-input-visitor.h" | |
91 | #include "qemu/option.h" | |
92 | #include "qemu/config-file.h" | |
93 | #include "qemu/main-loop.h" | |
94 | #ifdef CONFIG_VIRTFS | |
95 | #include "fsdev/qemu-fsdev.h" | |
96 | #endif | |
97 | #include "sysemu/qtest.h" | |
98 | #ifdef CONFIG_TCG | |
99 | #include "tcg/perf.h" | |
100 | #endif | |
101 | ||
102 | #include "disas/disas.h" | |
103 | ||
104 | #include "trace.h" | |
105 | #include "trace/control.h" | |
106 | #include "qemu/plugin.h" | |
107 | #include "qemu/queue.h" | |
108 | #include "sysemu/arch_init.h" | |
109 | #include "exec/confidential-guest-support.h" | |
110 | ||
111 | #include "ui/qemu-spice.h" | |
112 | #include "qapi/string-input-visitor.h" | |
113 | #include "qapi/opts-visitor.h" | |
114 | #include "qapi/clone-visitor.h" | |
115 | #include "qom/object_interfaces.h" | |
116 | #include "semihosting/semihost.h" | |
117 | #include "crypto/init.h" | |
118 | #include "sysemu/replay.h" | |
119 | #include "qapi/qapi-events-run-state.h" | |
120 | #include "qapi/qapi-types-audio.h" | |
121 | #include "qapi/qapi-visit-audio.h" | |
122 | #include "qapi/qapi-visit-block-core.h" | |
123 | #include "qapi/qapi-visit-compat.h" | |
124 | #include "qapi/qapi-visit-machine.h" | |
125 | #include "qapi/qapi-visit-ui.h" | |
126 | #include "qapi/qapi-commands-block-core.h" | |
127 | #include "qapi/qapi-commands-migration.h" | |
128 | #include "qapi/qapi-commands-misc.h" | |
129 | #include "qapi/qapi-visit-qom.h" | |
130 | #include "qapi/qapi-commands-ui.h" | |
131 | #include "block/qdict.h" | |
132 | #include "qapi/qmp/qerror.h" | |
133 | #include "sysemu/iothread.h" | |
134 | #include "qemu/guest-random.h" | |
135 | #include "qemu/keyval.h" | |
136 | ||
137 | #define MAX_VIRTIO_CONSOLES 1 | |
138 | ||
139 | typedef struct BlockdevOptionsQueueEntry { | |
140 | BlockdevOptions *bdo; | |
141 | Location loc; | |
142 | QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry) entry; | |
143 | } BlockdevOptionsQueueEntry; | |
144 | ||
145 | typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry) BlockdevOptionsQueue; | |
146 | ||
147 | typedef struct ObjectOption { | |
148 | ObjectOptions *opts; | |
149 | QTAILQ_ENTRY(ObjectOption) next; | |
150 | } ObjectOption; | |
151 | ||
152 | typedef struct DeviceOption { | |
153 | QDict *opts; | |
154 | Location loc; | |
155 | QTAILQ_ENTRY(DeviceOption) next; | |
156 | } DeviceOption; | |
157 | ||
158 | static const char *cpu_option; | |
159 | static const char *mem_path; | |
160 | static const char *incoming; | |
161 | static const char *loadvm; | |
162 | static const char *accelerators; | |
163 | static bool have_custom_ram_size; | |
164 | static const char *ram_memdev_id; | |
165 | static QDict *machine_opts_dict; | |
166 | static QTAILQ_HEAD(, ObjectOption) object_opts = QTAILQ_HEAD_INITIALIZER(object_opts); | |
167 | static QTAILQ_HEAD(, DeviceOption) device_opts = QTAILQ_HEAD_INITIALIZER(device_opts); | |
168 | static int display_remote; | |
169 | static int snapshot; | |
170 | static bool preconfig_requested; | |
171 | static QemuPluginList plugin_list = QTAILQ_HEAD_INITIALIZER(plugin_list); | |
172 | static BlockdevOptionsQueue bdo_queue = QSIMPLEQ_HEAD_INITIALIZER(bdo_queue); | |
173 | static bool nographic = false; | |
174 | static int mem_prealloc; /* force preallocation of physical target memory */ | |
175 | static const char *vga_model = NULL; | |
176 | static DisplayOptions dpy; | |
177 | static int num_serial_hds; | |
178 | static Chardev **serial_hds; | |
179 | static const char *log_mask; | |
180 | static const char *log_file; | |
181 | static bool list_data_dirs; | |
182 | static const char *qtest_chrdev; | |
183 | static const char *qtest_log; | |
184 | ||
185 | static int has_defaults = 1; | |
186 | static int default_audio = 1; | |
187 | static int default_serial = 1; | |
188 | static int default_parallel = 1; | |
189 | static int default_monitor = 1; | |
190 | static int default_floppy = 1; | |
191 | static int default_cdrom = 1; | |
192 | static int default_sdcard = 1; | |
193 | static int default_vga = 1; | |
194 | static int default_net = 1; | |
195 | ||
196 | static const struct { | |
197 | const char *driver; | |
198 | int *flag; | |
199 | } default_list[] = { | |
200 | { .driver = "xen-console", .flag = &default_serial }, | |
201 | { .driver = "isa-serial", .flag = &default_serial }, | |
202 | { .driver = "isa-parallel", .flag = &default_parallel }, | |
203 | { .driver = "isa-fdc", .flag = &default_floppy }, | |
204 | { .driver = "floppy", .flag = &default_floppy }, | |
205 | { .driver = "ide-cd", .flag = &default_cdrom }, | |
206 | { .driver = "ide-hd", .flag = &default_cdrom }, | |
207 | { .driver = "scsi-cd", .flag = &default_cdrom }, | |
208 | { .driver = "scsi-hd", .flag = &default_cdrom }, | |
209 | { .driver = "VGA", .flag = &default_vga }, | |
210 | { .driver = "isa-vga", .flag = &default_vga }, | |
211 | { .driver = "cirrus-vga", .flag = &default_vga }, | |
212 | { .driver = "isa-cirrus-vga", .flag = &default_vga }, | |
213 | { .driver = "vmware-svga", .flag = &default_vga }, | |
214 | { .driver = "qxl-vga", .flag = &default_vga }, | |
215 | { .driver = "virtio-vga", .flag = &default_vga }, | |
216 | { .driver = "ati-vga", .flag = &default_vga }, | |
217 | { .driver = "vhost-user-vga", .flag = &default_vga }, | |
218 | { .driver = "virtio-vga-gl", .flag = &default_vga }, | |
219 | { .driver = "virtio-vga-rutabaga", .flag = &default_vga }, | |
220 | }; | |
221 | ||
222 | static QemuOptsList qemu_rtc_opts = { | |
223 | .name = "rtc", | |
224 | .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head), | |
225 | .merge_lists = true, | |
226 | .desc = { | |
227 | { | |
228 | .name = "base", | |
229 | .type = QEMU_OPT_STRING, | |
230 | },{ | |
231 | .name = "clock", | |
232 | .type = QEMU_OPT_STRING, | |
233 | },{ | |
234 | .name = "driftfix", | |
235 | .type = QEMU_OPT_STRING, | |
236 | }, | |
237 | { /* end of list */ } | |
238 | }, | |
239 | }; | |
240 | ||
241 | static QemuOptsList qemu_option_rom_opts = { | |
242 | .name = "option-rom", | |
243 | .implied_opt_name = "romfile", | |
244 | .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head), | |
245 | .desc = { | |
246 | { | |
247 | .name = "bootindex", | |
248 | .type = QEMU_OPT_NUMBER, | |
249 | }, { | |
250 | .name = "romfile", | |
251 | .type = QEMU_OPT_STRING, | |
252 | }, | |
253 | { /* end of list */ } | |
254 | }, | |
255 | }; | |
256 | ||
257 | static QemuOptsList qemu_accel_opts = { | |
258 | .name = "accel", | |
259 | .implied_opt_name = "accel", | |
260 | .head = QTAILQ_HEAD_INITIALIZER(qemu_accel_opts.head), | |
261 | .desc = { | |
262 | /* | |
263 | * no elements => accept any | |
264 | * sanity checking will happen later | |
265 | * when setting accelerator properties | |
266 | */ | |
267 | { } | |
268 | }, | |
269 | }; | |
270 | ||
271 | static QemuOptsList qemu_boot_opts = { | |
272 | .name = "boot-opts", | |
273 | .implied_opt_name = "order", | |
274 | .merge_lists = true, | |
275 | .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head), | |
276 | .desc = { | |
277 | { | |
278 | .name = "order", | |
279 | .type = QEMU_OPT_STRING, | |
280 | }, { | |
281 | .name = "once", | |
282 | .type = QEMU_OPT_STRING, | |
283 | }, { | |
284 | .name = "menu", | |
285 | .type = QEMU_OPT_BOOL, | |
286 | }, { | |
287 | .name = "splash", | |
288 | .type = QEMU_OPT_STRING, | |
289 | }, { | |
290 | .name = "splash-time", | |
291 | .type = QEMU_OPT_NUMBER, | |
292 | }, { | |
293 | .name = "reboot-timeout", | |
294 | .type = QEMU_OPT_NUMBER, | |
295 | }, { | |
296 | .name = "strict", | |
297 | .type = QEMU_OPT_BOOL, | |
298 | }, | |
299 | { /*End of list */ } | |
300 | }, | |
301 | }; | |
302 | ||
303 | static QemuOptsList qemu_add_fd_opts = { | |
304 | .name = "add-fd", | |
305 | .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head), | |
306 | .desc = { | |
307 | { | |
308 | .name = "fd", | |
309 | .type = QEMU_OPT_NUMBER, | |
310 | .help = "file descriptor of which a duplicate is added to fd set", | |
311 | },{ | |
312 | .name = "set", | |
313 | .type = QEMU_OPT_NUMBER, | |
314 | .help = "ID of the fd set to add fd to", | |
315 | },{ | |
316 | .name = "opaque", | |
317 | .type = QEMU_OPT_STRING, | |
318 | .help = "free-form string used to describe fd", | |
319 | }, | |
320 | { /* end of list */ } | |
321 | }, | |
322 | }; | |
323 | ||
324 | static QemuOptsList qemu_object_opts = { | |
325 | .name = "object", | |
326 | .implied_opt_name = "qom-type", | |
327 | .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head), | |
328 | .desc = { | |
329 | { } | |
330 | }, | |
331 | }; | |
332 | ||
333 | static QemuOptsList qemu_tpmdev_opts = { | |
334 | .name = "tpmdev", | |
335 | .implied_opt_name = "type", | |
336 | .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head), | |
337 | .desc = { | |
338 | /* options are defined in the TPM backends */ | |
339 | { /* end of list */ } | |
340 | }, | |
341 | }; | |
342 | ||
343 | static QemuOptsList qemu_overcommit_opts = { | |
344 | .name = "overcommit", | |
345 | .head = QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts.head), | |
346 | .desc = { | |
347 | { | |
348 | .name = "mem-lock", | |
349 | .type = QEMU_OPT_BOOL, | |
350 | }, | |
351 | { | |
352 | .name = "cpu-pm", | |
353 | .type = QEMU_OPT_BOOL, | |
354 | }, | |
355 | { /* end of list */ } | |
356 | }, | |
357 | }; | |
358 | ||
359 | static QemuOptsList qemu_msg_opts = { | |
360 | .name = "msg", | |
361 | .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head), | |
362 | .desc = { | |
363 | { | |
364 | .name = "timestamp", | |
365 | .type = QEMU_OPT_BOOL, | |
366 | }, | |
367 | { | |
368 | .name = "guest-name", | |
369 | .type = QEMU_OPT_BOOL, | |
370 | .help = "Prepends guest name for error messages but only if " | |
371 | "-name guest is set otherwise option is ignored\n", | |
372 | }, | |
373 | { /* end of list */ } | |
374 | }, | |
375 | }; | |
376 | ||
377 | static QemuOptsList qemu_name_opts = { | |
378 | .name = "name", | |
379 | .implied_opt_name = "guest", | |
380 | .merge_lists = true, | |
381 | .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head), | |
382 | .desc = { | |
383 | { | |
384 | .name = "guest", | |
385 | .type = QEMU_OPT_STRING, | |
386 | .help = "Sets the name of the guest.\n" | |
387 | "This name will be displayed in the SDL window caption.\n" | |
388 | "The name will also be used for the VNC server", | |
389 | }, { | |
390 | .name = "process", | |
391 | .type = QEMU_OPT_STRING, | |
392 | .help = "Sets the name of the QEMU process, as shown in top etc", | |
393 | }, { | |
394 | .name = "debug-threads", | |
395 | .type = QEMU_OPT_BOOL, | |
396 | .help = "When enabled, name the individual threads; defaults off.\n" | |
397 | "NOTE: The thread names are for debugging and not a\n" | |
398 | "stable API.", | |
399 | }, | |
400 | { /* End of list */ } | |
401 | }, | |
402 | }; | |
403 | ||
404 | static QemuOptsList qemu_mem_opts = { | |
405 | .name = "memory", | |
406 | .implied_opt_name = "size", | |
407 | .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head), | |
408 | .merge_lists = true, | |
409 | .desc = { | |
410 | { | |
411 | .name = "size", | |
412 | .type = QEMU_OPT_SIZE, | |
413 | }, | |
414 | { | |
415 | .name = "slots", | |
416 | .type = QEMU_OPT_NUMBER, | |
417 | }, | |
418 | { | |
419 | .name = "maxmem", | |
420 | .type = QEMU_OPT_SIZE, | |
421 | }, | |
422 | { /* end of list */ } | |
423 | }, | |
424 | }; | |
425 | ||
426 | static QemuOptsList qemu_icount_opts = { | |
427 | .name = "icount", | |
428 | .implied_opt_name = "shift", | |
429 | .merge_lists = true, | |
430 | .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head), | |
431 | .desc = { | |
432 | { | |
433 | .name = "shift", | |
434 | .type = QEMU_OPT_STRING, | |
435 | }, { | |
436 | .name = "align", | |
437 | .type = QEMU_OPT_BOOL, | |
438 | }, { | |
439 | .name = "sleep", | |
440 | .type = QEMU_OPT_BOOL, | |
441 | }, { | |
442 | .name = "rr", | |
443 | .type = QEMU_OPT_STRING, | |
444 | }, { | |
445 | .name = "rrfile", | |
446 | .type = QEMU_OPT_STRING, | |
447 | }, { | |
448 | .name = "rrsnapshot", | |
449 | .type = QEMU_OPT_STRING, | |
450 | }, | |
451 | { /* end of list */ } | |
452 | }, | |
453 | }; | |
454 | ||
455 | static QemuOptsList qemu_fw_cfg_opts = { | |
456 | .name = "fw_cfg", | |
457 | .implied_opt_name = "name", | |
458 | .head = QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts.head), | |
459 | .desc = { | |
460 | { | |
461 | .name = "name", | |
462 | .type = QEMU_OPT_STRING, | |
463 | .help = "Sets the fw_cfg name of the blob to be inserted", | |
464 | }, { | |
465 | .name = "file", | |
466 | .type = QEMU_OPT_STRING, | |
467 | .help = "Sets the name of the file from which " | |
468 | "the fw_cfg blob will be loaded", | |
469 | }, { | |
470 | .name = "string", | |
471 | .type = QEMU_OPT_STRING, | |
472 | .help = "Sets content of the blob to be inserted from a string", | |
473 | }, { | |
474 | .name = "gen_id", | |
475 | .type = QEMU_OPT_STRING, | |
476 | .help = "Sets id of the object generating the fw_cfg blob " | |
477 | "to be inserted", | |
478 | }, | |
479 | { /* end of list */ } | |
480 | }, | |
481 | }; | |
482 | ||
483 | static QemuOptsList qemu_action_opts = { | |
484 | .name = "action", | |
485 | .merge_lists = true, | |
486 | .head = QTAILQ_HEAD_INITIALIZER(qemu_action_opts.head), | |
487 | .desc = { | |
488 | { | |
489 | .name = "shutdown", | |
490 | .type = QEMU_OPT_STRING, | |
491 | },{ | |
492 | .name = "reboot", | |
493 | .type = QEMU_OPT_STRING, | |
494 | },{ | |
495 | .name = "panic", | |
496 | .type = QEMU_OPT_STRING, | |
497 | },{ | |
498 | .name = "watchdog", | |
499 | .type = QEMU_OPT_STRING, | |
500 | }, | |
501 | { /* end of list */ } | |
502 | }, | |
503 | }; | |
504 | ||
505 | const char *qemu_get_vm_name(void) | |
506 | { | |
507 | return qemu_name; | |
508 | } | |
509 | ||
510 | static void default_driver_disable(const char *driver) | |
511 | { | |
512 | int i; | |
513 | ||
514 | if (!driver) { | |
515 | return; | |
516 | } | |
517 | ||
518 | for (i = 0; i < ARRAY_SIZE(default_list); i++) { | |
519 | if (strcmp(default_list[i].driver, driver) != 0) | |
520 | continue; | |
521 | *(default_list[i].flag) = 0; | |
522 | } | |
523 | } | |
524 | ||
525 | static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp) | |
526 | { | |
527 | const char *driver = qemu_opt_get(opts, "driver"); | |
528 | ||
529 | default_driver_disable(driver); | |
530 | return 0; | |
531 | } | |
532 | ||
533 | static void default_driver_check_json(void) | |
534 | { | |
535 | DeviceOption *opt; | |
536 | ||
537 | QTAILQ_FOREACH(opt, &device_opts, next) { | |
538 | const char *driver = qdict_get_try_str(opt->opts, "driver"); | |
539 | default_driver_disable(driver); | |
540 | } | |
541 | } | |
542 | ||
543 | static int parse_name(void *opaque, QemuOpts *opts, Error **errp) | |
544 | { | |
545 | const char *proc_name; | |
546 | ||
547 | if (qemu_opt_get(opts, "debug-threads")) { | |
548 | qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false)); | |
549 | } | |
550 | qemu_name = qemu_opt_get(opts, "guest"); | |
551 | ||
552 | proc_name = qemu_opt_get(opts, "process"); | |
553 | if (proc_name) { | |
554 | os_set_proc_name(proc_name); | |
555 | } | |
556 | ||
557 | return 0; | |
558 | } | |
559 | ||
560 | bool defaults_enabled(void) | |
561 | { | |
562 | return has_defaults; | |
563 | } | |
564 | ||
565 | #ifndef _WIN32 | |
566 | static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp) | |
567 | { | |
568 | int fd, dupfd, flags; | |
569 | int64_t fdset_id; | |
570 | const char *fd_opaque = NULL; | |
571 | AddfdInfo *fdinfo; | |
572 | ||
573 | fd = qemu_opt_get_number(opts, "fd", -1); | |
574 | fdset_id = qemu_opt_get_number(opts, "set", -1); | |
575 | fd_opaque = qemu_opt_get(opts, "opaque"); | |
576 | ||
577 | if (fd < 0) { | |
578 | error_setg(errp, "fd option is required and must be non-negative"); | |
579 | return -1; | |
580 | } | |
581 | ||
582 | if (fd <= STDERR_FILENO) { | |
583 | error_setg(errp, "fd cannot be a standard I/O stream"); | |
584 | return -1; | |
585 | } | |
586 | ||
587 | /* | |
588 | * All fds inherited across exec() necessarily have FD_CLOEXEC | |
589 | * clear, while qemu sets FD_CLOEXEC on all other fds used internally. | |
590 | */ | |
591 | flags = fcntl(fd, F_GETFD); | |
592 | if (flags == -1 || (flags & FD_CLOEXEC)) { | |
593 | error_setg(errp, "fd is not valid or already in use"); | |
594 | return -1; | |
595 | } | |
596 | ||
597 | if (fdset_id < 0) { | |
598 | error_setg(errp, "set option is required and must be non-negative"); | |
599 | return -1; | |
600 | } | |
601 | ||
602 | #ifdef F_DUPFD_CLOEXEC | |
603 | dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0); | |
604 | #else | |
605 | dupfd = dup(fd); | |
606 | if (dupfd != -1) { | |
607 | qemu_set_cloexec(dupfd); | |
608 | } | |
609 | #endif | |
610 | if (dupfd == -1) { | |
611 | error_setg(errp, "error duplicating fd: %s", strerror(errno)); | |
612 | return -1; | |
613 | } | |
614 | ||
615 | /* add the duplicate fd, and optionally the opaque string, to the fd set */ | |
616 | fdinfo = monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque, | |
617 | &error_abort); | |
618 | g_free(fdinfo); | |
619 | ||
620 | return 0; | |
621 | } | |
622 | ||
623 | static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp) | |
624 | { | |
625 | int fd; | |
626 | ||
627 | fd = qemu_opt_get_number(opts, "fd", -1); | |
628 | close(fd); | |
629 | ||
630 | return 0; | |
631 | } | |
632 | #endif | |
633 | ||
634 | /***********************************************************/ | |
635 | /* QEMU Block devices */ | |
636 | ||
637 | #define HD_OPTS "media=disk" | |
638 | #define CDROM_OPTS "media=cdrom" | |
639 | #define FD_OPTS "" | |
640 | #define PFLASH_OPTS "" | |
641 | #define MTD_OPTS "" | |
642 | #define SD_OPTS "" | |
643 | ||
644 | static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
645 | { | |
646 | BlockInterfaceType *block_default_type = opaque; | |
647 | ||
648 | return drive_new(opts, *block_default_type, errp) == NULL; | |
649 | } | |
650 | ||
651 | static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp) | |
652 | { | |
653 | if (qemu_opt_get(opts, "snapshot") == NULL) { | |
654 | qemu_opt_set(opts, "snapshot", "on", &error_abort); | |
655 | } | |
656 | return 0; | |
657 | } | |
658 | ||
659 | static void default_drive(int enable, int snapshot, BlockInterfaceType type, | |
660 | int index, const char *optstr) | |
661 | { | |
662 | QemuOpts *opts; | |
663 | DriveInfo *dinfo; | |
664 | ||
665 | if (!enable || drive_get_by_index(type, index)) { | |
666 | return; | |
667 | } | |
668 | ||
669 | opts = drive_add(type, index, NULL, optstr); | |
670 | if (snapshot) { | |
671 | drive_enable_snapshot(NULL, opts, NULL); | |
672 | } | |
673 | ||
674 | dinfo = drive_new(opts, type, &error_abort); | |
675 | dinfo->is_default = true; | |
676 | ||
677 | } | |
678 | ||
679 | static void configure_blockdev(BlockdevOptionsQueue *bdo_queue, | |
680 | MachineClass *machine_class, int snapshot) | |
681 | { | |
682 | /* | |
683 | * If the currently selected machine wishes to override the | |
684 | * units-per-bus property of its default HBA interface type, do so | |
685 | * now. | |
686 | */ | |
687 | if (machine_class->units_per_default_bus) { | |
688 | override_max_devs(machine_class->block_default_type, | |
689 | machine_class->units_per_default_bus); | |
690 | } | |
691 | ||
692 | /* open the virtual block devices */ | |
693 | while (!QSIMPLEQ_EMPTY(bdo_queue)) { | |
694 | BlockdevOptionsQueueEntry *bdo = QSIMPLEQ_FIRST(bdo_queue); | |
695 | ||
696 | QSIMPLEQ_REMOVE_HEAD(bdo_queue, entry); | |
697 | loc_push_restore(&bdo->loc); | |
698 | qmp_blockdev_add(bdo->bdo, &error_fatal); | |
699 | loc_pop(&bdo->loc); | |
700 | qapi_free_BlockdevOptions(bdo->bdo); | |
701 | g_free(bdo); | |
702 | } | |
703 | if (snapshot) { | |
704 | qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, | |
705 | NULL, NULL); | |
706 | } | |
707 | if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, | |
708 | &machine_class->block_default_type, &error_fatal)) { | |
709 | /* We printed help */ | |
710 | exit(0); | |
711 | } | |
712 | ||
713 | default_drive(default_cdrom, snapshot, machine_class->block_default_type, 2, | |
714 | CDROM_OPTS); | |
715 | default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS); | |
716 | default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS); | |
717 | ||
718 | } | |
719 | ||
720 | static QemuOptsList qemu_smp_opts = { | |
721 | .name = "smp-opts", | |
722 | .implied_opt_name = "cpus", | |
723 | .merge_lists = true, | |
724 | .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head), | |
725 | .desc = { | |
726 | { | |
727 | .name = "cpus", | |
728 | .type = QEMU_OPT_NUMBER, | |
729 | }, { | |
730 | .name = "drawers", | |
731 | .type = QEMU_OPT_NUMBER, | |
732 | }, { | |
733 | .name = "books", | |
734 | .type = QEMU_OPT_NUMBER, | |
735 | }, { | |
736 | .name = "sockets", | |
737 | .type = QEMU_OPT_NUMBER, | |
738 | }, { | |
739 | .name = "dies", | |
740 | .type = QEMU_OPT_NUMBER, | |
741 | }, { | |
742 | .name = "clusters", | |
743 | .type = QEMU_OPT_NUMBER, | |
744 | }, { | |
745 | .name = "cores", | |
746 | .type = QEMU_OPT_NUMBER, | |
747 | }, { | |
748 | .name = "threads", | |
749 | .type = QEMU_OPT_NUMBER, | |
750 | }, { | |
751 | .name = "maxcpus", | |
752 | .type = QEMU_OPT_NUMBER, | |
753 | }, | |
754 | { /*End of list */ } | |
755 | }, | |
756 | }; | |
757 | ||
758 | #if defined(CONFIG_POSIX) | |
759 | static QemuOptsList qemu_run_with_opts = { | |
760 | .name = "run-with", | |
761 | .head = QTAILQ_HEAD_INITIALIZER(qemu_run_with_opts.head), | |
762 | .desc = { | |
763 | #if defined(CONFIG_LINUX) | |
764 | { | |
765 | .name = "async-teardown", | |
766 | .type = QEMU_OPT_BOOL, | |
767 | }, | |
768 | #endif | |
769 | { | |
770 | .name = "chroot", | |
771 | .type = QEMU_OPT_STRING, | |
772 | }, | |
773 | { /* end of list */ } | |
774 | }, | |
775 | }; | |
776 | ||
777 | #define qemu_add_run_with_opts() qemu_add_opts(&qemu_run_with_opts) | |
778 | ||
779 | #else | |
780 | ||
781 | #define qemu_add_run_with_opts() | |
782 | ||
783 | #endif /* CONFIG_POSIX */ | |
784 | ||
785 | static void realtime_init(void) | |
786 | { | |
787 | if (enable_mlock) { | |
788 | if (os_mlock() < 0) { | |
789 | error_report("locking memory failed"); | |
790 | exit(1); | |
791 | } | |
792 | } | |
793 | } | |
794 | ||
795 | ||
796 | static void configure_msg(QemuOpts *opts) | |
797 | { | |
798 | message_with_timestamp = qemu_opt_get_bool(opts, "timestamp", false); | |
799 | error_with_guestname = qemu_opt_get_bool(opts, "guest-name", false); | |
800 | } | |
801 | ||
802 | ||
803 | /***********************************************************/ | |
804 | /* USB devices */ | |
805 | ||
806 | static int usb_device_add(const char *devname) | |
807 | { | |
808 | USBDevice *dev = NULL; | |
809 | ||
810 | if (!machine_usb(current_machine)) { | |
811 | return -1; | |
812 | } | |
813 | ||
814 | dev = usbdevice_create(devname); | |
815 | if (!dev) | |
816 | return -1; | |
817 | ||
818 | return 0; | |
819 | } | |
820 | ||
821 | static int usb_parse(const char *cmdline) | |
822 | { | |
823 | int r; | |
824 | r = usb_device_add(cmdline); | |
825 | if (r < 0) { | |
826 | error_report("could not add USB device '%s'", cmdline); | |
827 | } | |
828 | return r; | |
829 | } | |
830 | ||
831 | /***********************************************************/ | |
832 | /* machine registration */ | |
833 | ||
834 | static MachineClass *find_machine(const char *name, GSList *machines) | |
835 | { | |
836 | GSList *el; | |
837 | ||
838 | for (el = machines; el; el = el->next) { | |
839 | MachineClass *mc = el->data; | |
840 | ||
841 | if (!strcmp(mc->name, name) || !g_strcmp0(mc->alias, name)) { | |
842 | return mc; | |
843 | } | |
844 | } | |
845 | ||
846 | return NULL; | |
847 | } | |
848 | ||
849 | static MachineClass *find_default_machine(GSList *machines) | |
850 | { | |
851 | GSList *el; | |
852 | MachineClass *default_machineclass = NULL; | |
853 | ||
854 | for (el = machines; el; el = el->next) { | |
855 | MachineClass *mc = el->data; | |
856 | ||
857 | if (mc->is_default) { | |
858 | assert(default_machineclass == NULL && "Multiple default machines"); | |
859 | default_machineclass = mc; | |
860 | } | |
861 | } | |
862 | ||
863 | return default_machineclass; | |
864 | } | |
865 | ||
866 | static void version(void) | |
867 | { | |
868 | printf("QEMU emulator version " QEMU_FULL_VERSION "\n" | |
869 | QEMU_COPYRIGHT "\n"); | |
870 | } | |
871 | ||
872 | static void help(int exitcode) | |
873 | { | |
874 | version(); | |
875 | printf("usage: %s [options] [disk_image]\n\n" | |
876 | "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n", | |
877 | g_get_prgname()); | |
878 | ||
879 | #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ | |
880 | if ((arch_mask) & arch_type) \ | |
881 | fputs(opt_help, stdout); | |
882 | ||
883 | #define ARCHHEADING(text, arch_mask) \ | |
884 | if ((arch_mask) & arch_type) \ | |
885 | puts(stringify(text)); | |
886 | ||
887 | #define DEFHEADING(text) ARCHHEADING(text, QEMU_ARCH_ALL) | |
888 | ||
889 | #include "qemu-options.def" | |
890 | ||
891 | printf("\nDuring emulation, the following keys are useful:\n" | |
892 | "ctrl-alt-f toggle full screen\n" | |
893 | "ctrl-alt-n switch to virtual console 'n'\n" | |
894 | "ctrl-alt-g toggle mouse and keyboard grab\n" | |
895 | "\n" | |
896 | "When using -nographic, press 'ctrl-a h' to get some help.\n" | |
897 | "\n" | |
898 | QEMU_HELP_BOTTOM "\n"); | |
899 | ||
900 | exit(exitcode); | |
901 | } | |
902 | ||
903 | enum { | |
904 | ||
905 | #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ | |
906 | opt_enum, | |
907 | #define DEFHEADING(text) | |
908 | #define ARCHHEADING(text, arch_mask) | |
909 | ||
910 | #include "qemu-options.def" | |
911 | }; | |
912 | ||
913 | #define HAS_ARG 0x0001 | |
914 | ||
915 | typedef struct QEMUOption { | |
916 | const char *name; | |
917 | int flags; | |
918 | int index; | |
919 | uint32_t arch_mask; | |
920 | } QEMUOption; | |
921 | ||
922 | static const QEMUOption qemu_options[] = { | |
923 | { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL }, | |
924 | ||
925 | #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask) \ | |
926 | { option, opt_arg, opt_enum, arch_mask }, | |
927 | #define DEFHEADING(text) | |
928 | #define ARCHHEADING(text, arch_mask) | |
929 | ||
930 | #include "qemu-options.def" | |
931 | { /* end of list */ } | |
932 | }; | |
933 | ||
934 | typedef struct VGAInterfaceInfo { | |
935 | const char *opt_name; /* option name */ | |
936 | const char *name; /* human-readable name */ | |
937 | /* Class names indicating that support is available. | |
938 | * If no class is specified, the interface is always available */ | |
939 | const char *class_names[2]; | |
940 | } VGAInterfaceInfo; | |
941 | ||
942 | static const VGAInterfaceInfo vga_interfaces[VGA_TYPE_MAX] = { | |
943 | [VGA_NONE] = { | |
944 | .opt_name = "none", | |
945 | .name = "no graphic card", | |
946 | }, | |
947 | [VGA_STD] = { | |
948 | .opt_name = "std", | |
949 | .name = "standard VGA", | |
950 | .class_names = { "VGA", "isa-vga" }, | |
951 | }, | |
952 | [VGA_CIRRUS] = { | |
953 | .opt_name = "cirrus", | |
954 | .name = "Cirrus VGA", | |
955 | .class_names = { "cirrus-vga", "isa-cirrus-vga" }, | |
956 | }, | |
957 | [VGA_VMWARE] = { | |
958 | .opt_name = "vmware", | |
959 | .name = "VMWare SVGA", | |
960 | .class_names = { "vmware-svga" }, | |
961 | }, | |
962 | [VGA_VIRTIO] = { | |
963 | .opt_name = "virtio", | |
964 | .name = "Virtio VGA", | |
965 | .class_names = { "virtio-vga" }, | |
966 | }, | |
967 | [VGA_QXL] = { | |
968 | .opt_name = "qxl", | |
969 | .name = "QXL VGA", | |
970 | .class_names = { "qxl-vga" }, | |
971 | }, | |
972 | [VGA_TCX] = { | |
973 | .opt_name = "tcx", | |
974 | .name = "TCX framebuffer", | |
975 | .class_names = { "sun-tcx" }, | |
976 | }, | |
977 | [VGA_CG3] = { | |
978 | .opt_name = "cg3", | |
979 | .name = "CG3 framebuffer", | |
980 | .class_names = { "cgthree" }, | |
981 | }, | |
982 | #ifdef CONFIG_XEN_BACKEND | |
983 | [VGA_XENFB] = { | |
984 | .opt_name = "xenfb", | |
985 | .name = "Xen paravirtualized framebuffer", | |
986 | }, | |
987 | #endif | |
988 | }; | |
989 | ||
990 | static bool vga_interface_available(VGAInterfaceType t) | |
991 | { | |
992 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
993 | ||
994 | assert(t < VGA_TYPE_MAX); | |
995 | return !ti->class_names[0] || | |
996 | module_object_class_by_name(ti->class_names[0]) || | |
997 | module_object_class_by_name(ti->class_names[1]); | |
998 | } | |
999 | ||
1000 | static const char * | |
1001 | get_default_vga_model(const MachineClass *machine_class) | |
1002 | { | |
1003 | if (machine_class->default_display) { | |
1004 | for (int t = 0; t < VGA_TYPE_MAX; t++) { | |
1005 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
1006 | ||
1007 | if (ti->opt_name && vga_interface_available(t) && | |
1008 | g_str_equal(ti->opt_name, machine_class->default_display)) { | |
1009 | return machine_class->default_display; | |
1010 | } | |
1011 | } | |
1012 | ||
1013 | warn_report_once("Default display '%s' is not available in this binary", | |
1014 | machine_class->default_display); | |
1015 | return NULL; | |
1016 | } else if (vga_interface_available(VGA_CIRRUS)) { | |
1017 | return "cirrus"; | |
1018 | } else if (vga_interface_available(VGA_STD)) { | |
1019 | return "std"; | |
1020 | } | |
1021 | ||
1022 | return NULL; | |
1023 | } | |
1024 | ||
1025 | static void select_vgahw(const MachineClass *machine_class, const char *p) | |
1026 | { | |
1027 | const char *opts; | |
1028 | int t; | |
1029 | ||
1030 | if (g_str_equal(p, "help")) { | |
1031 | const char *def = get_default_vga_model(machine_class); | |
1032 | ||
1033 | for (t = 0; t < VGA_TYPE_MAX; t++) { | |
1034 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
1035 | ||
1036 | if (vga_interface_available(t) && ti->opt_name) { | |
1037 | printf("%-20s %s%s\n", ti->opt_name, ti->name ?: "", | |
1038 | (def && g_str_equal(ti->opt_name, def)) ? | |
1039 | " (default)" : ""); | |
1040 | } | |
1041 | } | |
1042 | exit(0); | |
1043 | } | |
1044 | ||
1045 | assert(vga_interface_type == VGA_NONE); | |
1046 | for (t = 0; t < VGA_TYPE_MAX; t++) { | |
1047 | const VGAInterfaceInfo *ti = &vga_interfaces[t]; | |
1048 | if (ti->opt_name && strstart(p, ti->opt_name, &opts)) { | |
1049 | if (!vga_interface_available(t)) { | |
1050 | error_report("%s not available", ti->name); | |
1051 | exit(1); | |
1052 | } | |
1053 | vga_interface_type = t; | |
1054 | break; | |
1055 | } | |
1056 | } | |
1057 | if (t == VGA_TYPE_MAX) { | |
1058 | invalid_vga: | |
1059 | error_report("unknown vga type: %s", p); | |
1060 | exit(1); | |
1061 | } | |
1062 | while (*opts) { | |
1063 | const char *nextopt; | |
1064 | ||
1065 | if (strstart(opts, ",retrace=", &nextopt)) { | |
1066 | opts = nextopt; | |
1067 | if (strstart(opts, "dumb", &nextopt)) | |
1068 | vga_retrace_method = VGA_RETRACE_DUMB; | |
1069 | else if (strstart(opts, "precise", &nextopt)) | |
1070 | vga_retrace_method = VGA_RETRACE_PRECISE; | |
1071 | else goto invalid_vga; | |
1072 | } else goto invalid_vga; | |
1073 | opts = nextopt; | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | static void parse_display_qapi(const char *str) | |
1078 | { | |
1079 | DisplayOptions *opts; | |
1080 | Visitor *v; | |
1081 | ||
1082 | v = qobject_input_visitor_new_str(str, "type", &error_fatal); | |
1083 | ||
1084 | visit_type_DisplayOptions(v, NULL, &opts, &error_fatal); | |
1085 | QAPI_CLONE_MEMBERS(DisplayOptions, &dpy, opts); | |
1086 | ||
1087 | qapi_free_DisplayOptions(opts); | |
1088 | visit_free(v); | |
1089 | } | |
1090 | ||
1091 | DisplayOptions *qmp_query_display_options(Error **errp) | |
1092 | { | |
1093 | return QAPI_CLONE(DisplayOptions, &dpy); | |
1094 | } | |
1095 | ||
1096 | static void parse_display(const char *p) | |
1097 | { | |
1098 | if (is_help_option(p)) { | |
1099 | qemu_display_help(); | |
1100 | exit(0); | |
1101 | } | |
1102 | ||
1103 | #ifdef CONFIG_VNC | |
1104 | const char *opts; | |
1105 | ||
1106 | if (strstart(p, "vnc", &opts)) { | |
1107 | /* | |
1108 | * vnc isn't a (local) DisplayType but a protocol for remote | |
1109 | * display access. | |
1110 | */ | |
1111 | if (*opts == '=') { | |
1112 | vnc_parse(opts + 1); | |
1113 | display_remote++; | |
1114 | } else { | |
1115 | error_report("VNC requires a display argument vnc=<display>"); | |
1116 | exit(1); | |
1117 | } | |
1118 | return; | |
1119 | } | |
1120 | #endif | |
1121 | ||
1122 | parse_display_qapi(p); | |
1123 | } | |
1124 | ||
1125 | static inline bool nonempty_str(const char *str) | |
1126 | { | |
1127 | return str && *str; | |
1128 | } | |
1129 | ||
1130 | static int parse_fw_cfg(void *opaque, QemuOpts *opts, Error **errp) | |
1131 | { | |
1132 | gchar *buf; | |
1133 | size_t size; | |
1134 | const char *name, *file, *str, *gen_id; | |
1135 | FWCfgState *fw_cfg = (FWCfgState *) opaque; | |
1136 | ||
1137 | if (fw_cfg == NULL) { | |
1138 | error_setg(errp, "fw_cfg device not available"); | |
1139 | return -1; | |
1140 | } | |
1141 | name = qemu_opt_get(opts, "name"); | |
1142 | file = qemu_opt_get(opts, "file"); | |
1143 | str = qemu_opt_get(opts, "string"); | |
1144 | gen_id = qemu_opt_get(opts, "gen_id"); | |
1145 | ||
1146 | /* we need the name, and exactly one of: file, content string, gen_id */ | |
1147 | if (!nonempty_str(name) || | |
1148 | nonempty_str(file) + nonempty_str(str) + nonempty_str(gen_id) != 1) { | |
1149 | error_setg(errp, "name, plus exactly one of file," | |
1150 | " string and gen_id, are needed"); | |
1151 | return -1; | |
1152 | } | |
1153 | if (strlen(name) > FW_CFG_MAX_FILE_PATH - 1) { | |
1154 | error_setg(errp, "name too long (max. %d char)", | |
1155 | FW_CFG_MAX_FILE_PATH - 1); | |
1156 | return -1; | |
1157 | } | |
1158 | if (nonempty_str(gen_id)) { | |
1159 | /* | |
1160 | * In this particular case where the content is populated | |
1161 | * internally, the "etc/" namespace protection is relaxed, | |
1162 | * so do not emit a warning. | |
1163 | */ | |
1164 | } else if (strncmp(name, "opt/", 4) != 0) { | |
1165 | warn_report("externally provided fw_cfg item names " | |
1166 | "should be prefixed with \"opt/\""); | |
1167 | } | |
1168 | if (nonempty_str(str)) { | |
1169 | size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */ | |
1170 | buf = g_memdup(str, size); | |
1171 | } else if (nonempty_str(gen_id)) { | |
1172 | if (!fw_cfg_add_from_generator(fw_cfg, name, gen_id, errp)) { | |
1173 | return -1; | |
1174 | } | |
1175 | return 0; | |
1176 | } else { | |
1177 | GError *err = NULL; | |
1178 | if (!g_file_get_contents(file, &buf, &size, &err)) { | |
1179 | error_setg(errp, "can't load %s: %s", file, err->message); | |
1180 | g_error_free(err); | |
1181 | return -1; | |
1182 | } | |
1183 | } | |
1184 | /* For legacy, keep user files in a specific global order. */ | |
1185 | fw_cfg_set_order_override(fw_cfg, FW_CFG_ORDER_OVERRIDE_USER); | |
1186 | fw_cfg_add_file(fw_cfg, name, buf, size); | |
1187 | fw_cfg_reset_order_override(fw_cfg); | |
1188 | return 0; | |
1189 | } | |
1190 | ||
1191 | static int device_help_func(void *opaque, QemuOpts *opts, Error **errp) | |
1192 | { | |
1193 | return qdev_device_help(opts); | |
1194 | } | |
1195 | ||
1196 | static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
1197 | { | |
1198 | DeviceState *dev; | |
1199 | ||
1200 | dev = qdev_device_add(opts, errp); | |
1201 | if (!dev && *errp) { | |
1202 | error_report_err(*errp); | |
1203 | return -1; | |
1204 | } else if (dev) { | |
1205 | object_unref(OBJECT(dev)); | |
1206 | } | |
1207 | return 0; | |
1208 | } | |
1209 | ||
1210 | static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
1211 | { | |
1212 | Error *local_err = NULL; | |
1213 | ||
1214 | if (!qemu_chr_new_from_opts(opts, NULL, &local_err)) { | |
1215 | if (local_err) { | |
1216 | error_propagate(errp, local_err); | |
1217 | return -1; | |
1218 | } | |
1219 | exit(0); | |
1220 | } | |
1221 | return 0; | |
1222 | } | |
1223 | ||
1224 | #ifdef CONFIG_VIRTFS | |
1225 | static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
1226 | { | |
1227 | return qemu_fsdev_add(opts, errp); | |
1228 | } | |
1229 | #endif | |
1230 | ||
1231 | static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
1232 | { | |
1233 | return monitor_init_opts(opts, errp); | |
1234 | } | |
1235 | ||
1236 | static void monitor_parse(const char *str, const char *mode, bool pretty) | |
1237 | { | |
1238 | static int monitor_device_index = 0; | |
1239 | QemuOpts *opts; | |
1240 | const char *p; | |
1241 | char label[32]; | |
1242 | ||
1243 | if (strstart(str, "chardev:", &p)) { | |
1244 | snprintf(label, sizeof(label), "%s", p); | |
1245 | } else { | |
1246 | snprintf(label, sizeof(label), "compat_monitor%d", | |
1247 | monitor_device_index); | |
1248 | opts = qemu_chr_parse_compat(label, str, true); | |
1249 | if (!opts) { | |
1250 | error_report("parse error: %s", str); | |
1251 | exit(1); | |
1252 | } | |
1253 | } | |
1254 | ||
1255 | opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, &error_fatal); | |
1256 | qemu_opt_set(opts, "mode", mode, &error_abort); | |
1257 | qemu_opt_set(opts, "chardev", label, &error_abort); | |
1258 | if (!strcmp(mode, "control")) { | |
1259 | qemu_opt_set_bool(opts, "pretty", pretty, &error_abort); | |
1260 | } else { | |
1261 | assert(pretty == false); | |
1262 | } | |
1263 | monitor_device_index++; | |
1264 | } | |
1265 | ||
1266 | struct device_config { | |
1267 | enum { | |
1268 | DEV_USB, /* -usbdevice */ | |
1269 | DEV_SERIAL, /* -serial */ | |
1270 | DEV_PARALLEL, /* -parallel */ | |
1271 | DEV_DEBUGCON, /* -debugcon */ | |
1272 | DEV_GDB, /* -gdb, -s */ | |
1273 | DEV_SCLP, /* s390 sclp */ | |
1274 | } type; | |
1275 | const char *cmdline; | |
1276 | Location loc; | |
1277 | QTAILQ_ENTRY(device_config) next; | |
1278 | }; | |
1279 | ||
1280 | static QTAILQ_HEAD(, device_config) device_configs = | |
1281 | QTAILQ_HEAD_INITIALIZER(device_configs); | |
1282 | ||
1283 | static void add_device_config(int type, const char *cmdline) | |
1284 | { | |
1285 | struct device_config *conf; | |
1286 | ||
1287 | conf = g_malloc0(sizeof(*conf)); | |
1288 | conf->type = type; | |
1289 | conf->cmdline = cmdline; | |
1290 | loc_save(&conf->loc); | |
1291 | QTAILQ_INSERT_TAIL(&device_configs, conf, next); | |
1292 | } | |
1293 | ||
1294 | static int foreach_device_config(int type, int (*func)(const char *cmdline)) | |
1295 | { | |
1296 | struct device_config *conf; | |
1297 | int rc; | |
1298 | ||
1299 | QTAILQ_FOREACH(conf, &device_configs, next) { | |
1300 | if (conf->type != type) | |
1301 | continue; | |
1302 | loc_push_restore(&conf->loc); | |
1303 | rc = func(conf->cmdline); | |
1304 | loc_pop(&conf->loc); | |
1305 | if (rc) { | |
1306 | return rc; | |
1307 | } | |
1308 | } | |
1309 | return 0; | |
1310 | } | |
1311 | ||
1312 | static void qemu_disable_default_devices(void) | |
1313 | { | |
1314 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); | |
1315 | ||
1316 | default_driver_check_json(); | |
1317 | qemu_opts_foreach(qemu_find_opts("device"), | |
1318 | default_driver_check, NULL, NULL); | |
1319 | qemu_opts_foreach(qemu_find_opts("global"), | |
1320 | default_driver_check, NULL, NULL); | |
1321 | ||
1322 | if (!vga_model && !default_vga) { | |
1323 | vga_interface_type = VGA_DEVICE; | |
1324 | vga_interface_created = true; | |
1325 | } | |
1326 | if (!has_defaults || machine_class->no_serial) { | |
1327 | default_serial = 0; | |
1328 | } | |
1329 | if (!has_defaults || machine_class->no_parallel) { | |
1330 | default_parallel = 0; | |
1331 | } | |
1332 | if (!has_defaults || machine_class->no_floppy) { | |
1333 | default_floppy = 0; | |
1334 | } | |
1335 | if (!has_defaults || machine_class->no_cdrom) { | |
1336 | default_cdrom = 0; | |
1337 | } | |
1338 | if (!has_defaults || machine_class->no_sdcard) { | |
1339 | default_sdcard = 0; | |
1340 | } | |
1341 | if (!has_defaults) { | |
1342 | default_audio = 0; | |
1343 | default_monitor = 0; | |
1344 | default_net = 0; | |
1345 | default_vga = 0; | |
1346 | } else { | |
1347 | if (default_net && machine_class->default_nic && | |
1348 | !module_object_class_by_name(machine_class->default_nic)) { | |
1349 | warn_report("Default NIC '%s' is not available in this binary", | |
1350 | machine_class->default_nic); | |
1351 | default_net = 0; | |
1352 | } | |
1353 | } | |
1354 | } | |
1355 | ||
1356 | static void qemu_setup_display(void) | |
1357 | { | |
1358 | if (dpy.type == DISPLAY_TYPE_DEFAULT && !display_remote) { | |
1359 | if (!qemu_display_find_default(&dpy)) { | |
1360 | dpy.type = DISPLAY_TYPE_NONE; | |
1361 | #if defined(CONFIG_VNC) | |
1362 | vnc_parse("localhost:0,to=99,id=default"); | |
1363 | display_remote++; | |
1364 | #endif | |
1365 | } | |
1366 | } | |
1367 | if (dpy.type == DISPLAY_TYPE_DEFAULT) { | |
1368 | dpy.type = DISPLAY_TYPE_NONE; | |
1369 | } | |
1370 | ||
1371 | qemu_display_early_init(&dpy); | |
1372 | } | |
1373 | ||
1374 | static void qemu_create_default_devices(void) | |
1375 | { | |
1376 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); | |
1377 | const char *vc = qemu_display_get_vc(&dpy); | |
1378 | ||
1379 | if (is_daemonized()) { | |
1380 | /* According to documentation and historically, -nographic redirects | |
1381 | * serial port, parallel port and monitor to stdio, which does not work | |
1382 | * with -daemonize. We can redirect these to null instead, but since | |
1383 | * -nographic is legacy, let's just error out. | |
1384 | * We disallow -nographic only if all other ports are not redirected | |
1385 | * explicitly, to not break existing legacy setups which uses | |
1386 | * -nographic _and_ redirects all ports explicitly - this is valid | |
1387 | * usage, -nographic is just a no-op in this case. | |
1388 | */ | |
1389 | if (nographic | |
1390 | && (default_parallel || default_serial || default_monitor)) { | |
1391 | error_report("-nographic cannot be used with -daemonize"); | |
1392 | exit(1); | |
1393 | } | |
1394 | } | |
1395 | ||
1396 | if (nographic) { | |
1397 | if (default_parallel) { | |
1398 | add_device_config(DEV_PARALLEL, "null"); | |
1399 | } | |
1400 | if (default_serial && default_monitor) { | |
1401 | add_device_config(DEV_SERIAL, "mon:stdio"); | |
1402 | } else { | |
1403 | if (default_serial) { | |
1404 | add_device_config(DEV_SERIAL, "stdio"); | |
1405 | } | |
1406 | if (default_monitor) { | |
1407 | monitor_parse("stdio", "readline", false); | |
1408 | } | |
1409 | } | |
1410 | } else { | |
1411 | if (default_serial) { | |
1412 | add_device_config(DEV_SERIAL, vc ?: "null"); | |
1413 | } | |
1414 | if (default_parallel) { | |
1415 | add_device_config(DEV_PARALLEL, vc ?: "null"); | |
1416 | } | |
1417 | if (default_monitor && vc) { | |
1418 | monitor_parse(vc, "readline", false); | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | if (default_net) { | |
1423 | QemuOptsList *net = qemu_find_opts("net"); | |
1424 | qemu_opts_parse(net, "nic", true, &error_abort); | |
1425 | #ifdef CONFIG_SLIRP | |
1426 | qemu_opts_parse(net, "user", true, &error_abort); | |
1427 | #endif | |
1428 | } | |
1429 | ||
1430 | /* If no default VGA is requested, the default is "none". */ | |
1431 | if (default_vga) { | |
1432 | vga_model = get_default_vga_model(machine_class); | |
1433 | } | |
1434 | if (vga_model) { | |
1435 | select_vgahw(machine_class, vga_model); | |
1436 | } | |
1437 | } | |
1438 | ||
1439 | static int serial_parse(const char *devname) | |
1440 | { | |
1441 | int index = num_serial_hds; | |
1442 | ||
1443 | serial_hds = g_renew(Chardev *, serial_hds, index + 1); | |
1444 | ||
1445 | if (strcmp(devname, "none") == 0) { | |
1446 | /* Don't allocate a serial device for this index */ | |
1447 | serial_hds[index] = NULL; | |
1448 | } else { | |
1449 | char label[32]; | |
1450 | snprintf(label, sizeof(label), "serial%d", index); | |
1451 | ||
1452 | serial_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); | |
1453 | if (!serial_hds[index]) { | |
1454 | error_report("could not connect serial device" | |
1455 | " to character backend '%s'", devname); | |
1456 | return -1; | |
1457 | } | |
1458 | } | |
1459 | num_serial_hds++; | |
1460 | return 0; | |
1461 | } | |
1462 | ||
1463 | Chardev *serial_hd(int i) | |
1464 | { | |
1465 | assert(i >= 0); | |
1466 | if (i < num_serial_hds) { | |
1467 | return serial_hds[i]; | |
1468 | } | |
1469 | return NULL; | |
1470 | } | |
1471 | ||
1472 | static int parallel_parse(const char *devname) | |
1473 | { | |
1474 | static int index = 0; | |
1475 | char label[32]; | |
1476 | ||
1477 | if (strcmp(devname, "none") == 0) | |
1478 | return 0; | |
1479 | if (index == MAX_PARALLEL_PORTS) { | |
1480 | error_report("too many parallel ports"); | |
1481 | exit(1); | |
1482 | } | |
1483 | snprintf(label, sizeof(label), "parallel%d", index); | |
1484 | parallel_hds[index] = qemu_chr_new_mux_mon(label, devname, NULL); | |
1485 | if (!parallel_hds[index]) { | |
1486 | error_report("could not connect parallel device" | |
1487 | " to character backend '%s'", devname); | |
1488 | return -1; | |
1489 | } | |
1490 | index++; | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | static int debugcon_parse(const char *devname) | |
1495 | { | |
1496 | QemuOpts *opts; | |
1497 | ||
1498 | if (!qemu_chr_new_mux_mon("debugcon", devname, NULL)) { | |
1499 | error_report("invalid character backend '%s'", devname); | |
1500 | exit(1); | |
1501 | } | |
1502 | opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL); | |
1503 | if (!opts) { | |
1504 | error_report("already have a debugcon device"); | |
1505 | exit(1); | |
1506 | } | |
1507 | qemu_opt_set(opts, "driver", "isa-debugcon", &error_abort); | |
1508 | qemu_opt_set(opts, "chardev", "debugcon", &error_abort); | |
1509 | return 0; | |
1510 | } | |
1511 | ||
1512 | static gint machine_class_cmp(gconstpointer a, gconstpointer b) | |
1513 | { | |
1514 | const MachineClass *mc1 = a, *mc2 = b; | |
1515 | int res; | |
1516 | ||
1517 | if (mc1->family == NULL) { | |
1518 | if (mc2->family == NULL) { | |
1519 | /* Compare standalone machine types against each other; they sort | |
1520 | * in increasing order. | |
1521 | */ | |
1522 | return strcmp(object_class_get_name(OBJECT_CLASS(mc1)), | |
1523 | object_class_get_name(OBJECT_CLASS(mc2))); | |
1524 | } | |
1525 | ||
1526 | /* Standalone machine types sort after families. */ | |
1527 | return 1; | |
1528 | } | |
1529 | ||
1530 | if (mc2->family == NULL) { | |
1531 | /* Families sort before standalone machine types. */ | |
1532 | return -1; | |
1533 | } | |
1534 | ||
1535 | /* Families sort between each other alphabetically increasingly. */ | |
1536 | res = strcmp(mc1->family, mc2->family); | |
1537 | if (res != 0) { | |
1538 | return res; | |
1539 | } | |
1540 | ||
1541 | /* Within the same family, machine types sort in decreasing order. */ | |
1542 | return strcmp(object_class_get_name(OBJECT_CLASS(mc2)), | |
1543 | object_class_get_name(OBJECT_CLASS(mc1))); | |
1544 | } | |
1545 | ||
1546 | static void machine_help_func(const QDict *qdict) | |
1547 | { | |
1548 | g_autoptr(GSList) machines = NULL; | |
1549 | GSList *el; | |
1550 | const char *type = qdict_get_try_str(qdict, "type"); | |
1551 | ||
1552 | machines = object_class_get_list(TYPE_MACHINE, false); | |
1553 | if (type) { | |
1554 | ObjectClass *machine_class = OBJECT_CLASS(find_machine(type, machines)); | |
1555 | if (machine_class) { | |
1556 | type_print_class_properties(object_class_get_name(machine_class)); | |
1557 | return; | |
1558 | } | |
1559 | } | |
1560 | ||
1561 | printf("Supported machines are:\n"); | |
1562 | machines = g_slist_sort(machines, machine_class_cmp); | |
1563 | for (el = machines; el; el = el->next) { | |
1564 | MachineClass *mc = el->data; | |
1565 | if (mc->alias) { | |
1566 | printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name); | |
1567 | } | |
1568 | printf("%-20s %s%s%s\n", mc->name, mc->desc, | |
1569 | mc->is_default ? " (default)" : "", | |
1570 | mc->deprecation_reason ? " (deprecated)" : ""); | |
1571 | } | |
1572 | } | |
1573 | ||
1574 | static void | |
1575 | machine_merge_property(const char *propname, QDict *prop, Error **errp) | |
1576 | { | |
1577 | QDict *opts; | |
1578 | ||
1579 | opts = qdict_new(); | |
1580 | /* Preserve the caller's reference to prop. */ | |
1581 | qobject_ref(prop); | |
1582 | qdict_put(opts, propname, prop); | |
1583 | keyval_merge(machine_opts_dict, opts, errp); | |
1584 | qobject_unref(opts); | |
1585 | } | |
1586 | ||
1587 | static void | |
1588 | machine_parse_property_opt(QemuOptsList *opts_list, const char *propname, | |
1589 | const char *arg) | |
1590 | { | |
1591 | QDict *prop = NULL; | |
1592 | bool help = false; | |
1593 | ||
1594 | prop = keyval_parse(arg, opts_list->implied_opt_name, &help, &error_fatal); | |
1595 | if (help) { | |
1596 | qemu_opts_print_help(opts_list, true); | |
1597 | exit(0); | |
1598 | } | |
1599 | machine_merge_property(propname, prop, &error_fatal); | |
1600 | qobject_unref(prop); | |
1601 | } | |
1602 | ||
1603 | static const char *pid_file; | |
1604 | struct UnlinkPidfileNotifier { | |
1605 | Notifier notifier; | |
1606 | char *pid_file_realpath; | |
1607 | }; | |
1608 | static struct UnlinkPidfileNotifier qemu_unlink_pidfile_notifier; | |
1609 | ||
1610 | static void qemu_unlink_pidfile(Notifier *n, void *data) | |
1611 | { | |
1612 | struct UnlinkPidfileNotifier *upn; | |
1613 | ||
1614 | upn = DO_UPCAST(struct UnlinkPidfileNotifier, notifier, n); | |
1615 | unlink(upn->pid_file_realpath); | |
1616 | } | |
1617 | ||
1618 | static const QEMUOption *lookup_opt(int argc, char **argv, | |
1619 | const char **poptarg, int *poptind) | |
1620 | { | |
1621 | const QEMUOption *popt; | |
1622 | int optind = *poptind; | |
1623 | char *r = argv[optind]; | |
1624 | const char *optarg; | |
1625 | ||
1626 | loc_set_cmdline(argv, optind, 1); | |
1627 | optind++; | |
1628 | /* Treat --foo the same as -foo. */ | |
1629 | if (r[1] == '-') | |
1630 | r++; | |
1631 | popt = qemu_options; | |
1632 | for(;;) { | |
1633 | if (!popt->name) { | |
1634 | error_report("invalid option"); | |
1635 | exit(1); | |
1636 | } | |
1637 | if (!strcmp(popt->name, r + 1)) | |
1638 | break; | |
1639 | popt++; | |
1640 | } | |
1641 | if (popt->flags & HAS_ARG) { | |
1642 | if (optind >= argc) { | |
1643 | error_report("requires an argument"); | |
1644 | exit(1); | |
1645 | } | |
1646 | optarg = argv[optind++]; | |
1647 | loc_set_cmdline(argv, optind - 2, 2); | |
1648 | } else { | |
1649 | optarg = NULL; | |
1650 | } | |
1651 | ||
1652 | *poptarg = optarg; | |
1653 | *poptind = optind; | |
1654 | ||
1655 | return popt; | |
1656 | } | |
1657 | ||
1658 | static MachineClass *select_machine(QDict *qdict, Error **errp) | |
1659 | { | |
1660 | const char *machine_type = qdict_get_try_str(qdict, "type"); | |
1661 | GSList *machines = object_class_get_list(TYPE_MACHINE, false); | |
1662 | MachineClass *machine_class; | |
1663 | Error *local_err = NULL; | |
1664 | ||
1665 | if (machine_type) { | |
1666 | machine_class = find_machine(machine_type, machines); | |
1667 | qdict_del(qdict, "type"); | |
1668 | if (!machine_class) { | |
1669 | error_setg(&local_err, "unsupported machine type"); | |
1670 | } | |
1671 | } else { | |
1672 | machine_class = find_default_machine(machines); | |
1673 | if (!machine_class) { | |
1674 | error_setg(&local_err, "No machine specified, and there is no default"); | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | g_slist_free(machines); | |
1679 | if (local_err) { | |
1680 | error_append_hint(&local_err, "Use -machine help to list supported machines\n"); | |
1681 | error_propagate(errp, local_err); | |
1682 | } | |
1683 | return machine_class; | |
1684 | } | |
1685 | ||
1686 | static int object_parse_property_opt(Object *obj, | |
1687 | const char *name, const char *value, | |
1688 | const char *skip, Error **errp) | |
1689 | { | |
1690 | if (g_str_equal(name, skip)) { | |
1691 | return 0; | |
1692 | } | |
1693 | ||
1694 | if (!object_property_parse(obj, name, value, errp)) { | |
1695 | return -1; | |
1696 | } | |
1697 | ||
1698 | return 0; | |
1699 | } | |
1700 | ||
1701 | /* *Non*recursively replace underscores with dashes in QDict keys. */ | |
1702 | static void keyval_dashify(QDict *qdict, Error **errp) | |
1703 | { | |
1704 | const QDictEntry *ent, *next; | |
1705 | char *p; | |
1706 | ||
1707 | for (ent = qdict_first(qdict); ent; ent = next) { | |
1708 | g_autofree char *new_key = NULL; | |
1709 | ||
1710 | next = qdict_next(qdict, ent); | |
1711 | if (!strchr(ent->key, '_')) { | |
1712 | continue; | |
1713 | } | |
1714 | new_key = g_strdup(ent->key); | |
1715 | for (p = new_key; *p; p++) { | |
1716 | if (*p == '_') { | |
1717 | *p = '-'; | |
1718 | } | |
1719 | } | |
1720 | if (qdict_haskey(qdict, new_key)) { | |
1721 | error_setg(errp, "Conflict between '%s' and '%s'", ent->key, new_key); | |
1722 | return; | |
1723 | } | |
1724 | qobject_ref(ent->value); | |
1725 | qdict_put_obj(qdict, new_key, ent->value); | |
1726 | qdict_del(qdict, ent->key); | |
1727 | } | |
1728 | } | |
1729 | ||
1730 | static void qemu_apply_legacy_machine_options(QDict *qdict) | |
1731 | { | |
1732 | const char *value; | |
1733 | QObject *prop; | |
1734 | ||
1735 | keyval_dashify(qdict, &error_fatal); | |
1736 | ||
1737 | /* Legacy options do not correspond to MachineState properties. */ | |
1738 | value = qdict_get_try_str(qdict, "accel"); | |
1739 | if (value) { | |
1740 | accelerators = g_strdup(value); | |
1741 | qdict_del(qdict, "accel"); | |
1742 | } | |
1743 | ||
1744 | value = qdict_get_try_str(qdict, "igd-passthru"); | |
1745 | if (value) { | |
1746 | object_register_sugar_prop(ACCEL_CLASS_NAME("xen"), "igd-passthru", value, | |
1747 | false); | |
1748 | qdict_del(qdict, "igd-passthru"); | |
1749 | } | |
1750 | ||
1751 | value = qdict_get_try_str(qdict, "kvm-shadow-mem"); | |
1752 | if (value) { | |
1753 | object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kvm-shadow-mem", value, | |
1754 | false); | |
1755 | qdict_del(qdict, "kvm-shadow-mem"); | |
1756 | } | |
1757 | ||
1758 | value = qdict_get_try_str(qdict, "kernel-irqchip"); | |
1759 | if (value) { | |
1760 | object_register_sugar_prop(ACCEL_CLASS_NAME("kvm"), "kernel-irqchip", value, | |
1761 | false); | |
1762 | object_register_sugar_prop(ACCEL_CLASS_NAME("whpx"), "kernel-irqchip", value, | |
1763 | false); | |
1764 | qdict_del(qdict, "kernel-irqchip"); | |
1765 | } | |
1766 | ||
1767 | value = qdict_get_try_str(qdict, "memory-backend"); | |
1768 | if (value) { | |
1769 | if (mem_path) { | |
1770 | error_report("'-mem-path' can't be used together with" | |
1771 | "'-machine memory-backend'"); | |
1772 | exit(EXIT_FAILURE); | |
1773 | } | |
1774 | ||
1775 | /* Resolved later. */ | |
1776 | ram_memdev_id = g_strdup(value); | |
1777 | qdict_del(qdict, "memory-backend"); | |
1778 | } | |
1779 | ||
1780 | prop = qdict_get(qdict, "memory"); | |
1781 | if (prop) { | |
1782 | have_custom_ram_size = | |
1783 | qobject_type(prop) == QTYPE_QDICT && | |
1784 | qdict_haskey(qobject_to(QDict, prop), "size"); | |
1785 | } | |
1786 | } | |
1787 | ||
1788 | static void object_option_foreach_add(bool (*type_opt_predicate)(const char *)) | |
1789 | { | |
1790 | ObjectOption *opt, *next; | |
1791 | ||
1792 | QTAILQ_FOREACH_SAFE(opt, &object_opts, next, next) { | |
1793 | const char *type = ObjectType_str(opt->opts->qom_type); | |
1794 | if (type_opt_predicate(type)) { | |
1795 | user_creatable_add_qapi(opt->opts, &error_fatal); | |
1796 | qapi_free_ObjectOptions(opt->opts); | |
1797 | QTAILQ_REMOVE(&object_opts, opt, next); | |
1798 | g_free(opt); | |
1799 | } | |
1800 | } | |
1801 | } | |
1802 | ||
1803 | static void object_option_add_visitor(Visitor *v) | |
1804 | { | |
1805 | ObjectOption *opt = g_new0(ObjectOption, 1); | |
1806 | visit_type_ObjectOptions(v, NULL, &opt->opts, &error_fatal); | |
1807 | QTAILQ_INSERT_TAIL(&object_opts, opt, next); | |
1808 | } | |
1809 | ||
1810 | static void object_option_parse(const char *str) | |
1811 | { | |
1812 | QemuOpts *opts; | |
1813 | const char *type; | |
1814 | Visitor *v; | |
1815 | ||
1816 | if (str[0] == '{') { | |
1817 | QObject *obj = qobject_from_json(str, &error_fatal); | |
1818 | ||
1819 | v = qobject_input_visitor_new(obj); | |
1820 | qobject_unref(obj); | |
1821 | } else { | |
1822 | opts = qemu_opts_parse_noisily(qemu_find_opts("object"), | |
1823 | str, true); | |
1824 | if (!opts) { | |
1825 | exit(1); | |
1826 | } | |
1827 | ||
1828 | type = qemu_opt_get(opts, "qom-type"); | |
1829 | if (!type) { | |
1830 | error_setg(&error_fatal, QERR_MISSING_PARAMETER, "qom-type"); | |
1831 | } | |
1832 | if (user_creatable_print_help(type, opts)) { | |
1833 | exit(0); | |
1834 | } | |
1835 | ||
1836 | v = opts_visitor_new(opts); | |
1837 | } | |
1838 | ||
1839 | object_option_add_visitor(v); | |
1840 | visit_free(v); | |
1841 | } | |
1842 | ||
1843 | /* | |
1844 | * Very early object creation, before the sandbox options have been activated. | |
1845 | */ | |
1846 | static bool object_create_pre_sandbox(const char *type) | |
1847 | { | |
1848 | /* | |
1849 | * Objects should in general not get initialized "too early" without | |
1850 | * a reason. If you add one, state the reason in a comment! | |
1851 | */ | |
1852 | ||
1853 | /* | |
1854 | * Reason: -sandbox on,resourcecontrol=deny disallows setting CPU | |
1855 | * affinity of threads. | |
1856 | */ | |
1857 | if (g_str_equal(type, "thread-context")) { | |
1858 | return true; | |
1859 | } | |
1860 | ||
1861 | return false; | |
1862 | } | |
1863 | ||
1864 | /* | |
1865 | * Initial object creation happens before all other | |
1866 | * QEMU data types are created. The majority of objects | |
1867 | * can be created at this point. The rng-egd object | |
1868 | * cannot be created here, as it depends on the chardev | |
1869 | * already existing. | |
1870 | */ | |
1871 | static bool object_create_early(const char *type) | |
1872 | { | |
1873 | /* | |
1874 | * Objects should not be made "delayed" without a reason. If you | |
1875 | * add one, state the reason in a comment! | |
1876 | */ | |
1877 | ||
1878 | /* Reason: already created. */ | |
1879 | if (object_create_pre_sandbox(type)) { | |
1880 | return false; | |
1881 | } | |
1882 | ||
1883 | /* Reason: property "chardev" */ | |
1884 | if (g_str_equal(type, "rng-egd") || | |
1885 | g_str_equal(type, "qtest")) { | |
1886 | return false; | |
1887 | } | |
1888 | ||
1889 | #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX) | |
1890 | /* Reason: cryptodev-vhost-user property "chardev" */ | |
1891 | if (g_str_equal(type, "cryptodev-vhost-user")) { | |
1892 | return false; | |
1893 | } | |
1894 | #endif | |
1895 | ||
1896 | /* Reason: vhost-user-blk-server property "node-name" */ | |
1897 | if (g_str_equal(type, "vhost-user-blk-server")) { | |
1898 | return false; | |
1899 | } | |
1900 | /* | |
1901 | * Reason: filter-* property "netdev" etc. | |
1902 | */ | |
1903 | if (g_str_equal(type, "filter-buffer") || | |
1904 | g_str_equal(type, "filter-dump") || | |
1905 | g_str_equal(type, "filter-mirror") || | |
1906 | g_str_equal(type, "filter-redirector") || | |
1907 | g_str_equal(type, "colo-compare") || | |
1908 | g_str_equal(type, "filter-rewriter") || | |
1909 | g_str_equal(type, "filter-replay")) { | |
1910 | return false; | |
1911 | } | |
1912 | ||
1913 | /* | |
1914 | * Allocation of large amounts of memory may delay | |
1915 | * chardev initialization for too long, and trigger timeouts | |
1916 | * on software that waits for a monitor socket to be created | |
1917 | */ | |
1918 | if (g_str_has_prefix(type, "memory-backend-")) { | |
1919 | return false; | |
1920 | } | |
1921 | ||
1922 | return true; | |
1923 | } | |
1924 | ||
1925 | static void qemu_apply_machine_options(QDict *qdict) | |
1926 | { | |
1927 | object_set_properties_from_keyval(OBJECT(current_machine), qdict, false, &error_fatal); | |
1928 | ||
1929 | if (semihosting_enabled(false) && !semihosting_get_argc()) { | |
1930 | /* fall back to the -kernel/-append */ | |
1931 | semihosting_arg_fallback(current_machine->kernel_filename, current_machine->kernel_cmdline); | |
1932 | } | |
1933 | ||
1934 | if (current_machine->smp.cpus > 1) { | |
1935 | replay_add_blocker("smp"); | |
1936 | } | |
1937 | } | |
1938 | ||
1939 | static void qemu_create_early_backends(void) | |
1940 | { | |
1941 | MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); | |
1942 | #if defined(CONFIG_SDL) | |
1943 | const bool use_sdl = (dpy.type == DISPLAY_TYPE_SDL); | |
1944 | #else | |
1945 | const bool use_sdl = false; | |
1946 | #endif | |
1947 | #if defined(CONFIG_GTK) | |
1948 | const bool use_gtk = (dpy.type == DISPLAY_TYPE_GTK); | |
1949 | #else | |
1950 | const bool use_gtk = false; | |
1951 | #endif | |
1952 | ||
1953 | if (dpy.has_window_close && !use_gtk && !use_sdl) { | |
1954 | error_report("window-close is only valid for GTK and SDL, " | |
1955 | "ignoring option"); | |
1956 | } | |
1957 | ||
1958 | qemu_console_early_init(); | |
1959 | ||
1960 | if (dpy.has_gl && dpy.gl != DISPLAYGL_MODE_OFF && display_opengl == 0) { | |
1961 | #if defined(CONFIG_OPENGL) | |
1962 | error_report("OpenGL is not supported by the display"); | |
1963 | #else | |
1964 | error_report("OpenGL support is disabled"); | |
1965 | #endif | |
1966 | exit(1); | |
1967 | } | |
1968 | ||
1969 | object_option_foreach_add(object_create_early); | |
1970 | ||
1971 | /* spice needs the timers to be initialized by this point */ | |
1972 | /* spice must initialize before audio as it changes the default audiodev */ | |
1973 | /* spice must initialize before chardevs (for spicevmc and spiceport) */ | |
1974 | qemu_spice.init(); | |
1975 | ||
1976 | qemu_opts_foreach(qemu_find_opts("chardev"), | |
1977 | chardev_init_func, NULL, &error_fatal); | |
1978 | ||
1979 | #ifdef CONFIG_VIRTFS | |
1980 | qemu_opts_foreach(qemu_find_opts("fsdev"), | |
1981 | fsdev_init_func, NULL, &error_fatal); | |
1982 | #endif | |
1983 | ||
1984 | /* | |
1985 | * Note: we need to create audio and block backends before | |
1986 | * setting machine properties, so they can be referred to. | |
1987 | */ | |
1988 | configure_blockdev(&bdo_queue, machine_class, snapshot); | |
1989 | audio_init_audiodevs(); | |
1990 | if (default_audio) { | |
1991 | audio_create_default_audiodevs(); | |
1992 | } | |
1993 | } | |
1994 | ||
1995 | ||
1996 | /* | |
1997 | * The remainder of object creation happens after the | |
1998 | * creation of chardev, fsdev, net clients and device data types. | |
1999 | */ | |
2000 | static bool object_create_late(const char *type) | |
2001 | { | |
2002 | return !object_create_early(type) && !object_create_pre_sandbox(type); | |
2003 | } | |
2004 | ||
2005 | static void qemu_create_late_backends(void) | |
2006 | { | |
2007 | if (qtest_chrdev) { | |
2008 | qtest_server_init(qtest_chrdev, qtest_log, &error_fatal); | |
2009 | } | |
2010 | ||
2011 | net_init_clients(); | |
2012 | ||
2013 | object_option_foreach_add(object_create_late); | |
2014 | ||
2015 | /* | |
2016 | * Wait for any outstanding memory prealloc from created memory | |
2017 | * backends to complete. | |
2018 | */ | |
2019 | if (!qemu_finish_async_prealloc_mem(&error_fatal)) { | |
2020 | exit(1); | |
2021 | } | |
2022 | ||
2023 | if (tpm_init() < 0) { | |
2024 | exit(1); | |
2025 | } | |
2026 | ||
2027 | qemu_opts_foreach(qemu_find_opts("mon"), | |
2028 | mon_init_func, NULL, &error_fatal); | |
2029 | ||
2030 | if (foreach_device_config(DEV_SERIAL, serial_parse) < 0) | |
2031 | exit(1); | |
2032 | if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0) | |
2033 | exit(1); | |
2034 | if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0) | |
2035 | exit(1); | |
2036 | ||
2037 | /* now chardevs have been created we may have semihosting to connect */ | |
2038 | qemu_semihosting_chardev_init(); | |
2039 | } | |
2040 | ||
2041 | static void qemu_resolve_machine_memdev(void) | |
2042 | { | |
2043 | if (ram_memdev_id) { | |
2044 | Object *backend; | |
2045 | ram_addr_t backend_size; | |
2046 | ||
2047 | backend = object_resolve_path_type(ram_memdev_id, | |
2048 | TYPE_MEMORY_BACKEND, NULL); | |
2049 | if (!backend) { | |
2050 | error_report("Memory backend '%s' not found", ram_memdev_id); | |
2051 | exit(EXIT_FAILURE); | |
2052 | } | |
2053 | if (!have_custom_ram_size) { | |
2054 | backend_size = object_property_get_uint(backend, "size", &error_abort); | |
2055 | current_machine->ram_size = backend_size; | |
2056 | } | |
2057 | object_property_set_link(OBJECT(current_machine), | |
2058 | "memory-backend", backend, &error_fatal); | |
2059 | } | |
2060 | } | |
2061 | ||
2062 | static void parse_memory_options(void) | |
2063 | { | |
2064 | QemuOpts *opts = qemu_find_opts_singleton("memory"); | |
2065 | QDict *dict, *prop; | |
2066 | const char *mem_str; | |
2067 | Location loc; | |
2068 | ||
2069 | loc_push_none(&loc); | |
2070 | qemu_opts_loc_restore(opts); | |
2071 | ||
2072 | prop = qdict_new(); | |
2073 | ||
2074 | if (qemu_opt_get_size(opts, "size", 0) != 0) { | |
2075 | /* Fix up legacy suffix-less format */ | |
2076 | mem_str = qemu_opt_get(opts, "size"); | |
2077 | if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) { | |
2078 | g_autofree char *mib_str = g_strdup_printf("%sM", mem_str); | |
2079 | qdict_put_str(prop, "size", mib_str); | |
2080 | } else { | |
2081 | qdict_put_str(prop, "size", mem_str); | |
2082 | } | |
2083 | } | |
2084 | ||
2085 | if (qemu_opt_get(opts, "maxmem")) { | |
2086 | qdict_put_str(prop, "max-size", qemu_opt_get(opts, "maxmem")); | |
2087 | } | |
2088 | if (qemu_opt_get(opts, "slots")) { | |
2089 | qdict_put_str(prop, "slots", qemu_opt_get(opts, "slots")); | |
2090 | } | |
2091 | ||
2092 | dict = qdict_new(); | |
2093 | qdict_put(dict, "memory", prop); | |
2094 | keyval_merge(machine_opts_dict, dict, &error_fatal); | |
2095 | qobject_unref(dict); | |
2096 | loc_pop(&loc); | |
2097 | } | |
2098 | ||
2099 | static void qemu_create_machine(QDict *qdict) | |
2100 | { | |
2101 | MachineClass *machine_class = select_machine(qdict, &error_fatal); | |
2102 | object_set_machine_compat_props(machine_class->compat_props); | |
2103 | ||
2104 | current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class))); | |
2105 | object_property_add_child(object_get_root(), "machine", | |
2106 | OBJECT(current_machine)); | |
2107 | object_property_add_child(container_get(OBJECT(current_machine), | |
2108 | "/unattached"), | |
2109 | "sysbus", OBJECT(sysbus_get_default())); | |
2110 | ||
2111 | if (machine_class->minimum_page_bits) { | |
2112 | if (!set_preferred_target_page_bits(machine_class->minimum_page_bits)) { | |
2113 | /* This would be a board error: specifying a minimum smaller than | |
2114 | * a target's compile-time fixed setting. | |
2115 | */ | |
2116 | g_assert_not_reached(); | |
2117 | } | |
2118 | } | |
2119 | ||
2120 | cpu_exec_init_all(); | |
2121 | ||
2122 | if (machine_class->hw_version) { | |
2123 | qemu_set_hw_version(machine_class->hw_version); | |
2124 | } | |
2125 | ||
2126 | /* | |
2127 | * Get the default machine options from the machine if it is not already | |
2128 | * specified either by the configuration file or by the command line. | |
2129 | */ | |
2130 | if (machine_class->default_machine_opts) { | |
2131 | QDict *default_opts = | |
2132 | keyval_parse(machine_class->default_machine_opts, NULL, NULL, | |
2133 | &error_abort); | |
2134 | qemu_apply_legacy_machine_options(default_opts); | |
2135 | object_set_properties_from_keyval(OBJECT(current_machine), default_opts, | |
2136 | false, &error_abort); | |
2137 | qobject_unref(default_opts); | |
2138 | } | |
2139 | } | |
2140 | ||
2141 | static int global_init_func(void *opaque, QemuOpts *opts, Error **errp) | |
2142 | { | |
2143 | GlobalProperty *g; | |
2144 | ||
2145 | g = g_malloc0(sizeof(*g)); | |
2146 | g->driver = qemu_opt_get(opts, "driver"); | |
2147 | g->property = qemu_opt_get(opts, "property"); | |
2148 | g->value = qemu_opt_get(opts, "value"); | |
2149 | qdev_prop_register_global(g); | |
2150 | return 0; | |
2151 | } | |
2152 | ||
2153 | /* | |
2154 | * Return whether configuration group @group is stored in QemuOpts, or | |
2155 | * recorded as one or more QDicts by qemu_record_config_group. | |
2156 | */ | |
2157 | static bool is_qemuopts_group(const char *group) | |
2158 | { | |
2159 | if (g_str_equal(group, "object") || | |
2160 | g_str_equal(group, "audiodev") || | |
2161 | g_str_equal(group, "machine") || | |
2162 | g_str_equal(group, "smp-opts") || | |
2163 | g_str_equal(group, "boot-opts")) { | |
2164 | return false; | |
2165 | } | |
2166 | return true; | |
2167 | } | |
2168 | ||
2169 | static void qemu_record_config_group(const char *group, QDict *dict, | |
2170 | bool from_json, Error **errp) | |
2171 | { | |
2172 | if (g_str_equal(group, "object")) { | |
2173 | Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict)); | |
2174 | object_option_add_visitor(v); | |
2175 | visit_free(v); | |
2176 | ||
2177 | } else if (g_str_equal(group, "audiodev")) { | |
2178 | Audiodev *dev = NULL; | |
2179 | Visitor *v = qobject_input_visitor_new_keyval(QOBJECT(dict)); | |
2180 | if (visit_type_Audiodev(v, NULL, &dev, errp)) { | |
2181 | audio_define(dev); | |
2182 | } | |
2183 | visit_free(v); | |
2184 | ||
2185 | } else if (g_str_equal(group, "machine")) { | |
2186 | /* | |
2187 | * Cannot merge string-valued and type-safe dictionaries, so JSON | |
2188 | * is not accepted yet for -M. | |
2189 | */ | |
2190 | assert(!from_json); | |
2191 | keyval_merge(machine_opts_dict, dict, errp); | |
2192 | } else if (g_str_equal(group, "smp-opts")) { | |
2193 | machine_merge_property("smp", dict, &error_fatal); | |
2194 | } else if (g_str_equal(group, "boot-opts")) { | |
2195 | machine_merge_property("boot", dict, &error_fatal); | |
2196 | } else { | |
2197 | abort(); | |
2198 | } | |
2199 | } | |
2200 | ||
2201 | /* | |
2202 | * Parse non-QemuOpts config file groups, pass the rest to | |
2203 | * qemu_config_do_parse. | |
2204 | */ | |
2205 | static void qemu_parse_config_group(const char *group, QDict *qdict, | |
2206 | void *opaque, Error **errp) | |
2207 | { | |
2208 | QObject *crumpled; | |
2209 | if (is_qemuopts_group(group)) { | |
2210 | qemu_config_do_parse(group, qdict, opaque, errp); | |
2211 | return; | |
2212 | } | |
2213 | ||
2214 | crumpled = qdict_crumple(qdict, errp); | |
2215 | if (!crumpled) { | |
2216 | return; | |
2217 | } | |
2218 | switch (qobject_type(crumpled)) { | |
2219 | case QTYPE_QDICT: | |
2220 | qemu_record_config_group(group, qobject_to(QDict, crumpled), false, errp); | |
2221 | break; | |
2222 | case QTYPE_QLIST: | |
2223 | error_setg(errp, "Lists cannot be at top level of a configuration section"); | |
2224 | break; | |
2225 | default: | |
2226 | g_assert_not_reached(); | |
2227 | } | |
2228 | qobject_unref(crumpled); | |
2229 | } | |
2230 | ||
2231 | static void qemu_read_default_config_file(Error **errp) | |
2232 | { | |
2233 | ERRP_GUARD(); | |
2234 | int ret; | |
2235 | g_autofree char *file = get_relocated_path(CONFIG_QEMU_CONFDIR "/qemu.conf"); | |
2236 | ||
2237 | ret = qemu_read_config_file(file, qemu_parse_config_group, errp); | |
2238 | if (ret < 0) { | |
2239 | if (ret == -ENOENT) { | |
2240 | error_free(*errp); | |
2241 | *errp = NULL; | |
2242 | } | |
2243 | } | |
2244 | } | |
2245 | ||
2246 | static void qemu_set_option(const char *str, Error **errp) | |
2247 | { | |
2248 | char group[64], id[64], arg[64]; | |
2249 | QemuOptsList *list; | |
2250 | QemuOpts *opts; | |
2251 | int rc, offset; | |
2252 | ||
2253 | rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset); | |
2254 | if (rc < 3 || str[offset] != '=') { | |
2255 | error_setg(errp, "can't parse: \"%s\"", str); | |
2256 | return; | |
2257 | } | |
2258 | ||
2259 | if (!is_qemuopts_group(group)) { | |
2260 | error_setg(errp, "-set is not supported with %s", group); | |
2261 | } else { | |
2262 | list = qemu_find_opts_err(group, errp); | |
2263 | if (list) { | |
2264 | opts = qemu_opts_find(list, id); | |
2265 | if (!opts) { | |
2266 | error_setg(errp, "there is no %s \"%s\" defined", group, id); | |
2267 | return; | |
2268 | } | |
2269 | qemu_opt_set(opts, arg, str + offset + 1, errp); | |
2270 | } | |
2271 | } | |
2272 | } | |
2273 | ||
2274 | static void user_register_global_props(void) | |
2275 | { | |
2276 | qemu_opts_foreach(qemu_find_opts("global"), | |
2277 | global_init_func, NULL, NULL); | |
2278 | } | |
2279 | ||
2280 | static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp) | |
2281 | { | |
2282 | return !icount_configure(opts, errp); | |
2283 | } | |
2284 | ||
2285 | static int accelerator_set_property(void *opaque, | |
2286 | const char *name, const char *value, | |
2287 | Error **errp) | |
2288 | { | |
2289 | return object_parse_property_opt(opaque, name, value, "accel", errp); | |
2290 | } | |
2291 | ||
2292 | static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp) | |
2293 | { | |
2294 | bool *p_init_failed = opaque; | |
2295 | const char *acc = qemu_opt_get(opts, "accel"); | |
2296 | AccelClass *ac = accel_find(acc); | |
2297 | AccelState *accel; | |
2298 | int ret; | |
2299 | bool qtest_with_kvm; | |
2300 | ||
2301 | if (!acc) { | |
2302 | error_setg(errp, QERR_MISSING_PARAMETER, "accel"); | |
2303 | goto bad; | |
2304 | } | |
2305 | ||
2306 | qtest_with_kvm = g_str_equal(acc, "kvm") && qtest_chrdev != NULL; | |
2307 | ||
2308 | if (!ac) { | |
2309 | if (!qtest_with_kvm) { | |
2310 | error_report("invalid accelerator %s", acc); | |
2311 | } | |
2312 | goto bad; | |
2313 | } | |
2314 | accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac))); | |
2315 | object_apply_compat_props(OBJECT(accel)); | |
2316 | qemu_opt_foreach(opts, accelerator_set_property, | |
2317 | accel, | |
2318 | &error_fatal); | |
2319 | ||
2320 | ret = accel_init_machine(accel, current_machine); | |
2321 | if (ret < 0) { | |
2322 | if (!qtest_with_kvm || ret != -ENOENT) { | |
2323 | error_report("failed to initialize %s: %s", acc, strerror(-ret)); | |
2324 | } | |
2325 | goto bad; | |
2326 | } | |
2327 | ||
2328 | return 1; | |
2329 | ||
2330 | bad: | |
2331 | *p_init_failed = true; | |
2332 | return 0; | |
2333 | } | |
2334 | ||
2335 | static void configure_accelerators(const char *progname) | |
2336 | { | |
2337 | bool init_failed = false; | |
2338 | ||
2339 | qemu_opts_foreach(qemu_find_opts("icount"), | |
2340 | do_configure_icount, NULL, &error_fatal); | |
2341 | ||
2342 | if (QTAILQ_EMPTY(&qemu_accel_opts.head)) { | |
2343 | char **accel_list, **tmp; | |
2344 | ||
2345 | if (accelerators == NULL) { | |
2346 | /* Select the default accelerator */ | |
2347 | bool have_tcg = accel_find("tcg"); | |
2348 | bool have_kvm = accel_find("kvm"); | |
2349 | ||
2350 | if (have_tcg && have_kvm) { | |
2351 | if (g_str_has_suffix(progname, "kvm")) { | |
2352 | /* If the program name ends with "kvm", we prefer KVM */ | |
2353 | accelerators = "kvm:tcg"; | |
2354 | } else { | |
2355 | accelerators = "tcg:kvm"; | |
2356 | } | |
2357 | } else if (have_kvm) { | |
2358 | accelerators = "kvm"; | |
2359 | } else if (have_tcg) { | |
2360 | accelerators = "tcg"; | |
2361 | } else { | |
2362 | error_report("No accelerator selected and" | |
2363 | " no default accelerator available"); | |
2364 | exit(1); | |
2365 | } | |
2366 | } | |
2367 | accel_list = g_strsplit(accelerators, ":", 0); | |
2368 | ||
2369 | for (tmp = accel_list; *tmp; tmp++) { | |
2370 | /* | |
2371 | * Filter invalid accelerators here, to prevent obscenities | |
2372 | * such as "-machine accel=tcg,,thread=single". | |
2373 | */ | |
2374 | if (accel_find(*tmp)) { | |
2375 | qemu_opts_parse_noisily(qemu_find_opts("accel"), *tmp, true); | |
2376 | } else { | |
2377 | init_failed = true; | |
2378 | error_report("invalid accelerator %s", *tmp); | |
2379 | } | |
2380 | } | |
2381 | g_strfreev(accel_list); | |
2382 | } else { | |
2383 | if (accelerators != NULL) { | |
2384 | error_report("The -accel and \"-machine accel=\" options are incompatible"); | |
2385 | exit(1); | |
2386 | } | |
2387 | } | |
2388 | ||
2389 | if (!qemu_opts_foreach(qemu_find_opts("accel"), | |
2390 | do_configure_accelerator, &init_failed, &error_fatal)) { | |
2391 | if (!init_failed) { | |
2392 | error_report("no accelerator found"); | |
2393 | } | |
2394 | exit(1); | |
2395 | } | |
2396 | ||
2397 | if (init_failed && !qtest_chrdev) { | |
2398 | error_report("falling back to %s", current_accel_name()); | |
2399 | } | |
2400 | ||
2401 | if (icount_enabled() && !tcg_enabled()) { | |
2402 | error_report("-icount is not allowed with hardware virtualization"); | |
2403 | exit(1); | |
2404 | } | |
2405 | } | |
2406 | ||
2407 | static void qemu_validate_options(const QDict *machine_opts) | |
2408 | { | |
2409 | const char *kernel_filename = qdict_get_try_str(machine_opts, "kernel"); | |
2410 | const char *initrd_filename = qdict_get_try_str(machine_opts, "initrd"); | |
2411 | const char *kernel_cmdline = qdict_get_try_str(machine_opts, "append"); | |
2412 | ||
2413 | if (kernel_filename == NULL) { | |
2414 | if (kernel_cmdline != NULL) { | |
2415 | error_report("-append only allowed with -kernel option"); | |
2416 | exit(1); | |
2417 | } | |
2418 | ||
2419 | if (initrd_filename != NULL) { | |
2420 | error_report("-initrd only allowed with -kernel option"); | |
2421 | exit(1); | |
2422 | } | |
2423 | } | |
2424 | ||
2425 | if (loadvm && incoming) { | |
2426 | error_report("'incoming' and 'loadvm' options are mutually exclusive"); | |
2427 | exit(EXIT_FAILURE); | |
2428 | } | |
2429 | if (loadvm && preconfig_requested) { | |
2430 | error_report("'preconfig' and 'loadvm' options are " | |
2431 | "mutually exclusive"); | |
2432 | exit(EXIT_FAILURE); | |
2433 | } | |
2434 | if (incoming && preconfig_requested && strcmp(incoming, "defer") != 0) { | |
2435 | error_report("'preconfig' supports '-incoming defer' only"); | |
2436 | exit(EXIT_FAILURE); | |
2437 | } | |
2438 | ||
2439 | #ifdef CONFIG_CURSES | |
2440 | if (is_daemonized() && dpy.type == DISPLAY_TYPE_CURSES) { | |
2441 | error_report("curses display cannot be used with -daemonize"); | |
2442 | exit(1); | |
2443 | } | |
2444 | #endif | |
2445 | } | |
2446 | ||
2447 | static void qemu_process_sugar_options(void) | |
2448 | { | |
2449 | if (mem_prealloc) { | |
2450 | QObject *smp = qdict_get(machine_opts_dict, "smp"); | |
2451 | if (smp && qobject_type(smp) == QTYPE_QDICT) { | |
2452 | QObject *cpus = qdict_get(qobject_to(QDict, smp), "cpus"); | |
2453 | if (cpus && qobject_type(cpus) == QTYPE_QSTRING) { | |
2454 | const char *val = qstring_get_str(qobject_to(QString, cpus)); | |
2455 | object_register_sugar_prop("memory-backend", "prealloc-threads", | |
2456 | val, false); | |
2457 | } | |
2458 | } | |
2459 | object_register_sugar_prop("memory-backend", "prealloc", "on", false); | |
2460 | } | |
2461 | } | |
2462 | ||
2463 | /* -action processing */ | |
2464 | ||
2465 | /* | |
2466 | * Process all the -action parameters parsed from cmdline. | |
2467 | */ | |
2468 | static int process_runstate_actions(void *opaque, QemuOpts *opts, Error **errp) | |
2469 | { | |
2470 | Error *local_err = NULL; | |
2471 | QDict *qdict = qemu_opts_to_qdict(opts, NULL); | |
2472 | QObject *ret = NULL; | |
2473 | qmp_marshal_set_action(qdict, &ret, &local_err); | |
2474 | qobject_unref(ret); | |
2475 | qobject_unref(qdict); | |
2476 | if (local_err) { | |
2477 | error_propagate(errp, local_err); | |
2478 | return 1; | |
2479 | } | |
2480 | return 0; | |
2481 | } | |
2482 | ||
2483 | static void qemu_process_early_options(void) | |
2484 | { | |
2485 | qemu_opts_foreach(qemu_find_opts("name"), | |
2486 | parse_name, NULL, &error_fatal); | |
2487 | ||
2488 | object_option_foreach_add(object_create_pre_sandbox); | |
2489 | ||
2490 | #ifdef CONFIG_SECCOMP | |
2491 | QemuOptsList *olist = qemu_find_opts_err("sandbox", NULL); | |
2492 | if (olist) { | |
2493 | qemu_opts_foreach(olist, parse_sandbox, NULL, &error_fatal); | |
2494 | } | |
2495 | #endif | |
2496 | ||
2497 | if (qemu_opts_foreach(qemu_find_opts("action"), | |
2498 | process_runstate_actions, NULL, &error_fatal)) { | |
2499 | exit(1); | |
2500 | } | |
2501 | ||
2502 | #ifndef _WIN32 | |
2503 | qemu_opts_foreach(qemu_find_opts("add-fd"), | |
2504 | parse_add_fd, NULL, &error_fatal); | |
2505 | ||
2506 | qemu_opts_foreach(qemu_find_opts("add-fd"), | |
2507 | cleanup_add_fd, NULL, &error_fatal); | |
2508 | #endif | |
2509 | ||
2510 | /* Open the logfile at this point and set the log mask if necessary. */ | |
2511 | { | |
2512 | int mask = 0; | |
2513 | if (log_mask) { | |
2514 | mask = qemu_str_to_log_mask(log_mask); | |
2515 | if (!mask) { | |
2516 | qemu_print_log_usage(stdout); | |
2517 | exit(1); | |
2518 | } | |
2519 | } | |
2520 | qemu_set_log_filename_flags(log_file, mask, &error_fatal); | |
2521 | } | |
2522 | ||
2523 | qemu_add_default_firmwarepath(); | |
2524 | } | |
2525 | ||
2526 | static void qemu_process_help_options(void) | |
2527 | { | |
2528 | /* | |
2529 | * Check for -cpu help and -device help before we call select_machine(), | |
2530 | * which will return an error if the architecture has no default machine | |
2531 | * type and the user did not specify one, so that the user doesn't need | |
2532 | * to say '-cpu help -machine something'. | |
2533 | */ | |
2534 | if (cpu_option && is_help_option(cpu_option)) { | |
2535 | list_cpus(); | |
2536 | exit(0); | |
2537 | } | |
2538 | ||
2539 | if (qemu_opts_foreach(qemu_find_opts("device"), | |
2540 | device_help_func, NULL, NULL)) { | |
2541 | exit(0); | |
2542 | } | |
2543 | ||
2544 | /* -L help lists the data directories and exits. */ | |
2545 | if (list_data_dirs) { | |
2546 | qemu_list_data_dirs(); | |
2547 | exit(0); | |
2548 | } | |
2549 | } | |
2550 | ||
2551 | static void qemu_maybe_daemonize(const char *pid_file) | |
2552 | { | |
2553 | Error *err = NULL; | |
2554 | ||
2555 | os_daemonize(); | |
2556 | rcu_disable_atfork(); | |
2557 | ||
2558 | if (pid_file) { | |
2559 | char *pid_file_realpath = NULL; | |
2560 | ||
2561 | if (!qemu_write_pidfile(pid_file, &err)) { | |
2562 | error_reportf_err(err, "cannot create PID file: "); | |
2563 | exit(1); | |
2564 | } | |
2565 | ||
2566 | pid_file_realpath = g_malloc0(PATH_MAX); | |
2567 | if (!realpath(pid_file, pid_file_realpath)) { | |
2568 | if (errno != ENOENT) { | |
2569 | warn_report("not removing PID file on exit: cannot resolve PID " | |
2570 | "file path: %s: %s", pid_file, strerror(errno)); | |
2571 | } | |
2572 | return; | |
2573 | } | |
2574 | ||
2575 | qemu_unlink_pidfile_notifier = (struct UnlinkPidfileNotifier) { | |
2576 | .notifier = { | |
2577 | .notify = qemu_unlink_pidfile, | |
2578 | }, | |
2579 | .pid_file_realpath = pid_file_realpath, | |
2580 | }; | |
2581 | qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier.notifier); | |
2582 | } | |
2583 | } | |
2584 | ||
2585 | static void qemu_init_displays(void) | |
2586 | { | |
2587 | DisplayState *ds; | |
2588 | ||
2589 | /* init local displays */ | |
2590 | ds = init_displaystate(); | |
2591 | qemu_display_init(ds, &dpy); | |
2592 | ||
2593 | /* must be after terminal init, SDL library changes signal handlers */ | |
2594 | os_setup_signal_handling(); | |
2595 | ||
2596 | /* init remote displays */ | |
2597 | #ifdef CONFIG_VNC | |
2598 | qemu_opts_foreach(qemu_find_opts("vnc"), | |
2599 | vnc_init_func, NULL, &error_fatal); | |
2600 | #endif | |
2601 | ||
2602 | if (using_spice) { | |
2603 | qemu_spice.display_init(); | |
2604 | } | |
2605 | } | |
2606 | ||
2607 | static void qemu_init_board(void) | |
2608 | { | |
2609 | /* process plugin before CPUs are created, but once -smp has been parsed */ | |
2610 | qemu_plugin_load_list(&plugin_list, &error_fatal); | |
2611 | ||
2612 | /* From here on we enter MACHINE_PHASE_INITIALIZED. */ | |
2613 | machine_run_board_init(current_machine, mem_path, &error_fatal); | |
2614 | ||
2615 | drive_check_orphaned(); | |
2616 | ||
2617 | realtime_init(); | |
2618 | } | |
2619 | ||
2620 | static void qemu_create_cli_devices(void) | |
2621 | { | |
2622 | DeviceOption *opt; | |
2623 | ||
2624 | soundhw_init(); | |
2625 | ||
2626 | qemu_opts_foreach(qemu_find_opts("fw_cfg"), | |
2627 | parse_fw_cfg, fw_cfg_find(), &error_fatal); | |
2628 | ||
2629 | /* init USB devices */ | |
2630 | if (machine_usb(current_machine)) { | |
2631 | if (foreach_device_config(DEV_USB, usb_parse) < 0) | |
2632 | exit(1); | |
2633 | } | |
2634 | ||
2635 | /* init generic devices */ | |
2636 | rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE); | |
2637 | qemu_opts_foreach(qemu_find_opts("device"), | |
2638 | device_init_func, NULL, &error_fatal); | |
2639 | QTAILQ_FOREACH(opt, &device_opts, next) { | |
2640 | DeviceState *dev; | |
2641 | loc_push_restore(&opt->loc); | |
2642 | /* | |
2643 | * TODO Eventually we should call qmp_device_add() here to make sure it | |
2644 | * behaves the same, but QMP still has to accept incorrectly typed | |
2645 | * options until libvirt is fixed and we want to be strict on the CLI | |
2646 | * from the start, so call qdev_device_add_from_qdict() directly for | |
2647 | * now. | |
2648 | */ | |
2649 | dev = qdev_device_add_from_qdict(opt->opts, true, &error_fatal); | |
2650 | object_unref(OBJECT(dev)); | |
2651 | loc_pop(&opt->loc); | |
2652 | } | |
2653 | rom_reset_order_override(); | |
2654 | } | |
2655 | ||
2656 | static void qemu_machine_creation_done(void) | |
2657 | { | |
2658 | MachineState *machine = MACHINE(qdev_get_machine()); | |
2659 | ||
2660 | /* Did we create any drives that we failed to create a device for? */ | |
2661 | drive_check_orphaned(); | |
2662 | ||
2663 | /* Don't warn about the default network setup that you get if | |
2664 | * no command line -net or -netdev options are specified. There | |
2665 | * are two cases that we would otherwise complain about: | |
2666 | * (1) board doesn't support a NIC but the implicit "-net nic" | |
2667 | * requested one | |
2668 | * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic" | |
2669 | * sets up a nic that isn't connected to anything. | |
2670 | */ | |
2671 | if (!default_net && (!qtest_enabled() || has_defaults)) { | |
2672 | net_check_clients(); | |
2673 | } | |
2674 | ||
2675 | qdev_prop_check_globals(); | |
2676 | ||
2677 | qdev_machine_creation_done(); | |
2678 | ||
2679 | if (machine->cgs) { | |
2680 | /* | |
2681 | * Verify that Confidential Guest Support has actually been initialized | |
2682 | */ | |
2683 | assert(machine->cgs->ready); | |
2684 | } | |
2685 | ||
2686 | if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) { | |
2687 | exit(1); | |
2688 | } | |
2689 | if (!vga_interface_created && !default_vga && | |
2690 | vga_interface_type != VGA_NONE) { | |
2691 | warn_report("A -vga option was passed but this machine " | |
2692 | "type does not use that option; " | |
2693 | "No VGA device has been created"); | |
2694 | } | |
2695 | } | |
2696 | ||
2697 | void qmp_x_exit_preconfig(Error **errp) | |
2698 | { | |
2699 | if (phase_check(PHASE_MACHINE_INITIALIZED)) { | |
2700 | error_setg(errp, "The command is permitted only before machine initialization"); | |
2701 | return; | |
2702 | } | |
2703 | ||
2704 | qemu_init_board(); | |
2705 | qemu_create_cli_devices(); | |
2706 | qemu_machine_creation_done(); | |
2707 | ||
2708 | if (loadvm) { | |
2709 | RunState state = autostart ? RUN_STATE_RUNNING : runstate_get(); | |
2710 | load_snapshot(loadvm, NULL, false, NULL, &error_fatal); | |
2711 | load_snapshot_resume(state); | |
2712 | } | |
2713 | if (replay_mode != REPLAY_MODE_NONE) { | |
2714 | replay_vmstate_init(); | |
2715 | } | |
2716 | ||
2717 | if (incoming) { | |
2718 | Error *local_err = NULL; | |
2719 | if (strcmp(incoming, "defer") != 0) { | |
2720 | qmp_migrate_incoming(incoming, false, NULL, &local_err); | |
2721 | if (local_err) { | |
2722 | error_reportf_err(local_err, "-incoming %s: ", incoming); | |
2723 | exit(1); | |
2724 | } | |
2725 | } | |
2726 | } else if (autostart) { | |
2727 | qmp_cont(NULL); | |
2728 | } | |
2729 | } | |
2730 | ||
2731 | void qemu_init(int argc, char **argv) | |
2732 | { | |
2733 | QemuOpts *opts; | |
2734 | QemuOpts *icount_opts = NULL, *accel_opts = NULL; | |
2735 | QemuOptsList *olist; | |
2736 | int optind; | |
2737 | const char *optarg; | |
2738 | MachineClass *machine_class; | |
2739 | bool userconfig = true; | |
2740 | FILE *vmstate_dump_file = NULL; | |
2741 | ||
2742 | qemu_add_opts(&qemu_drive_opts); | |
2743 | qemu_add_drive_opts(&qemu_legacy_drive_opts); | |
2744 | qemu_add_drive_opts(&qemu_common_drive_opts); | |
2745 | qemu_add_drive_opts(&qemu_drive_opts); | |
2746 | qemu_add_drive_opts(&bdrv_runtime_opts); | |
2747 | qemu_add_opts(&qemu_chardev_opts); | |
2748 | qemu_add_opts(&qemu_device_opts); | |
2749 | qemu_add_opts(&qemu_netdev_opts); | |
2750 | qemu_add_opts(&qemu_nic_opts); | |
2751 | qemu_add_opts(&qemu_net_opts); | |
2752 | qemu_add_opts(&qemu_rtc_opts); | |
2753 | qemu_add_opts(&qemu_global_opts); | |
2754 | qemu_add_opts(&qemu_mon_opts); | |
2755 | qemu_add_opts(&qemu_trace_opts); | |
2756 | qemu_plugin_add_opts(); | |
2757 | qemu_add_opts(&qemu_option_rom_opts); | |
2758 | qemu_add_opts(&qemu_accel_opts); | |
2759 | qemu_add_opts(&qemu_mem_opts); | |
2760 | qemu_add_opts(&qemu_smp_opts); | |
2761 | qemu_add_opts(&qemu_boot_opts); | |
2762 | qemu_add_opts(&qemu_add_fd_opts); | |
2763 | qemu_add_opts(&qemu_object_opts); | |
2764 | qemu_add_opts(&qemu_tpmdev_opts); | |
2765 | qemu_add_opts(&qemu_overcommit_opts); | |
2766 | qemu_add_opts(&qemu_msg_opts); | |
2767 | qemu_add_opts(&qemu_name_opts); | |
2768 | qemu_add_opts(&qemu_numa_opts); | |
2769 | qemu_add_opts(&qemu_icount_opts); | |
2770 | qemu_add_opts(&qemu_semihosting_config_opts); | |
2771 | qemu_add_opts(&qemu_fw_cfg_opts); | |
2772 | qemu_add_opts(&qemu_action_opts); | |
2773 | qemu_add_run_with_opts(); | |
2774 | module_call_init(MODULE_INIT_OPTS); | |
2775 | ||
2776 | error_init(argv[0]); | |
2777 | qemu_init_exec_dir(argv[0]); | |
2778 | ||
2779 | os_setup_limits(); | |
2780 | ||
2781 | qemu_init_arch_modules(); | |
2782 | ||
2783 | qemu_init_subsystems(); | |
2784 | ||
2785 | /* first pass of option parsing */ | |
2786 | optind = 1; | |
2787 | while (optind < argc) { | |
2788 | if (argv[optind][0] != '-') { | |
2789 | /* disk image */ | |
2790 | optind++; | |
2791 | } else { | |
2792 | const QEMUOption *popt; | |
2793 | ||
2794 | popt = lookup_opt(argc, argv, &optarg, &optind); | |
2795 | switch (popt->index) { | |
2796 | case QEMU_OPTION_nouserconfig: | |
2797 | userconfig = false; | |
2798 | break; | |
2799 | } | |
2800 | } | |
2801 | } | |
2802 | ||
2803 | machine_opts_dict = qdict_new(); | |
2804 | if (userconfig) { | |
2805 | qemu_read_default_config_file(&error_fatal); | |
2806 | } | |
2807 | ||
2808 | /* second pass of option parsing */ | |
2809 | optind = 1; | |
2810 | for(;;) { | |
2811 | if (optind >= argc) | |
2812 | break; | |
2813 | if (argv[optind][0] != '-') { | |
2814 | loc_set_cmdline(argv, optind, 1); | |
2815 | drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS); | |
2816 | } else { | |
2817 | const QEMUOption *popt; | |
2818 | ||
2819 | popt = lookup_opt(argc, argv, &optarg, &optind); | |
2820 | if (!(popt->arch_mask & arch_type)) { | |
2821 | error_report("Option not supported for this target"); | |
2822 | exit(1); | |
2823 | } | |
2824 | switch(popt->index) { | |
2825 | case QEMU_OPTION_cpu: | |
2826 | /* hw initialization will check this */ | |
2827 | cpu_option = optarg; | |
2828 | break; | |
2829 | case QEMU_OPTION_hda: | |
2830 | case QEMU_OPTION_hdb: | |
2831 | case QEMU_OPTION_hdc: | |
2832 | case QEMU_OPTION_hdd: | |
2833 | drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg, | |
2834 | HD_OPTS); | |
2835 | break; | |
2836 | case QEMU_OPTION_blockdev: | |
2837 | { | |
2838 | Visitor *v; | |
2839 | BlockdevOptionsQueueEntry *bdo; | |
2840 | ||
2841 | v = qobject_input_visitor_new_str(optarg, "driver", | |
2842 | &error_fatal); | |
2843 | ||
2844 | bdo = g_new(BlockdevOptionsQueueEntry, 1); | |
2845 | visit_type_BlockdevOptions(v, NULL, &bdo->bdo, | |
2846 | &error_fatal); | |
2847 | visit_free(v); | |
2848 | loc_save(&bdo->loc); | |
2849 | QSIMPLEQ_INSERT_TAIL(&bdo_queue, bdo, entry); | |
2850 | break; | |
2851 | } | |
2852 | case QEMU_OPTION_drive: | |
2853 | opts = qemu_opts_parse_noisily(qemu_find_opts("drive"), | |
2854 | optarg, false); | |
2855 | if (opts == NULL) { | |
2856 | exit(1); | |
2857 | } | |
2858 | break; | |
2859 | case QEMU_OPTION_set: | |
2860 | qemu_set_option(optarg, &error_fatal); | |
2861 | break; | |
2862 | case QEMU_OPTION_global: | |
2863 | if (qemu_global_option(optarg) != 0) | |
2864 | exit(1); | |
2865 | break; | |
2866 | case QEMU_OPTION_mtdblock: | |
2867 | drive_add(IF_MTD, -1, optarg, MTD_OPTS); | |
2868 | break; | |
2869 | case QEMU_OPTION_sd: | |
2870 | drive_add(IF_SD, -1, optarg, SD_OPTS); | |
2871 | break; | |
2872 | case QEMU_OPTION_pflash: | |
2873 | drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS); | |
2874 | break; | |
2875 | case QEMU_OPTION_snapshot: | |
2876 | snapshot = 1; | |
2877 | replay_add_blocker("-snapshot"); | |
2878 | break; | |
2879 | case QEMU_OPTION_numa: | |
2880 | opts = qemu_opts_parse_noisily(qemu_find_opts("numa"), | |
2881 | optarg, true); | |
2882 | if (!opts) { | |
2883 | exit(1); | |
2884 | } | |
2885 | break; | |
2886 | case QEMU_OPTION_display: | |
2887 | parse_display(optarg); | |
2888 | break; | |
2889 | case QEMU_OPTION_nographic: | |
2890 | qdict_put_str(machine_opts_dict, "graphics", "off"); | |
2891 | nographic = true; | |
2892 | dpy.type = DISPLAY_TYPE_NONE; | |
2893 | break; | |
2894 | case QEMU_OPTION_portrait: | |
2895 | graphic_rotate = 90; | |
2896 | break; | |
2897 | case QEMU_OPTION_rotate: | |
2898 | graphic_rotate = strtol(optarg, (char **) &optarg, 10); | |
2899 | if (graphic_rotate != 0 && graphic_rotate != 90 && | |
2900 | graphic_rotate != 180 && graphic_rotate != 270) { | |
2901 | error_report("only 90, 180, 270 deg rotation is available"); | |
2902 | exit(1); | |
2903 | } | |
2904 | break; | |
2905 | case QEMU_OPTION_kernel: | |
2906 | qdict_put_str(machine_opts_dict, "kernel", optarg); | |
2907 | break; | |
2908 | case QEMU_OPTION_initrd: | |
2909 | qdict_put_str(machine_opts_dict, "initrd", optarg); | |
2910 | break; | |
2911 | case QEMU_OPTION_append: | |
2912 | qdict_put_str(machine_opts_dict, "append", optarg); | |
2913 | break; | |
2914 | case QEMU_OPTION_dtb: | |
2915 | qdict_put_str(machine_opts_dict, "dtb", optarg); | |
2916 | break; | |
2917 | case QEMU_OPTION_cdrom: | |
2918 | drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS); | |
2919 | break; | |
2920 | case QEMU_OPTION_boot: | |
2921 | machine_parse_property_opt(qemu_find_opts("boot-opts"), "boot", optarg); | |
2922 | break; | |
2923 | case QEMU_OPTION_fda: | |
2924 | case QEMU_OPTION_fdb: | |
2925 | drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda, | |
2926 | optarg, FD_OPTS); | |
2927 | break; | |
2928 | case QEMU_OPTION_no_fd_bootchk: | |
2929 | qdict_put_str(machine_opts_dict, "fd-bootchk", "off"); | |
2930 | break; | |
2931 | case QEMU_OPTION_netdev: | |
2932 | default_net = 0; | |
2933 | if (netdev_is_modern(optarg)) { | |
2934 | netdev_parse_modern(optarg); | |
2935 | } else { | |
2936 | net_client_parse(qemu_find_opts("netdev"), optarg); | |
2937 | } | |
2938 | break; | |
2939 | case QEMU_OPTION_nic: | |
2940 | default_net = 0; | |
2941 | net_client_parse(qemu_find_opts("nic"), optarg); | |
2942 | break; | |
2943 | case QEMU_OPTION_net: | |
2944 | default_net = 0; | |
2945 | net_client_parse(qemu_find_opts("net"), optarg); | |
2946 | break; | |
2947 | #ifdef CONFIG_LIBISCSI | |
2948 | case QEMU_OPTION_iscsi: | |
2949 | opts = qemu_opts_parse_noisily(qemu_find_opts("iscsi"), | |
2950 | optarg, false); | |
2951 | if (!opts) { | |
2952 | exit(1); | |
2953 | } | |
2954 | break; | |
2955 | #endif | |
2956 | case QEMU_OPTION_audiodev: | |
2957 | default_audio = 0; | |
2958 | audio_parse_option(optarg); | |
2959 | break; | |
2960 | case QEMU_OPTION_audio: { | |
2961 | bool help; | |
2962 | char *model = NULL; | |
2963 | Audiodev *dev = NULL; | |
2964 | Visitor *v; | |
2965 | QDict *dict = keyval_parse(optarg, "driver", &help, &error_fatal); | |
2966 | default_audio = 0; | |
2967 | if (help || (qdict_haskey(dict, "driver") && | |
2968 | is_help_option(qdict_get_str(dict, "driver")))) { | |
2969 | audio_help(); | |
2970 | exit(EXIT_SUCCESS); | |
2971 | } | |
2972 | if (!qdict_haskey(dict, "id")) { | |
2973 | qdict_put_str(dict, "id", "audiodev0"); | |
2974 | } | |
2975 | if (qdict_haskey(dict, "model")) { | |
2976 | model = g_strdup(qdict_get_str(dict, "model")); | |
2977 | qdict_del(dict, "model"); | |
2978 | if (is_help_option(model)) { | |
2979 | show_valid_soundhw(); | |
2980 | exit(0); | |
2981 | } | |
2982 | } | |
2983 | v = qobject_input_visitor_new_keyval(QOBJECT(dict)); | |
2984 | qobject_unref(dict); | |
2985 | visit_type_Audiodev(v, NULL, &dev, &error_fatal); | |
2986 | visit_free(v); | |
2987 | if (model) { | |
2988 | audio_define(dev); | |
2989 | select_soundhw(model, dev->id); | |
2990 | g_free(model); | |
2991 | } else { | |
2992 | audio_define_default(dev, &error_fatal); | |
2993 | } | |
2994 | break; | |
2995 | } | |
2996 | case QEMU_OPTION_h: | |
2997 | help(0); | |
2998 | break; | |
2999 | case QEMU_OPTION_version: | |
3000 | version(); | |
3001 | exit(0); | |
3002 | break; | |
3003 | case QEMU_OPTION_m: | |
3004 | opts = qemu_opts_parse_noisily(qemu_find_opts("memory"), optarg, true); | |
3005 | if (opts == NULL) { | |
3006 | exit(1); | |
3007 | } | |
3008 | break; | |
3009 | #ifdef CONFIG_TPM | |
3010 | case QEMU_OPTION_tpmdev: | |
3011 | if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) { | |
3012 | exit(1); | |
3013 | } | |
3014 | break; | |
3015 | #endif | |
3016 | case QEMU_OPTION_mempath: | |
3017 | mem_path = optarg; | |
3018 | break; | |
3019 | case QEMU_OPTION_mem_prealloc: | |
3020 | mem_prealloc = 1; | |
3021 | break; | |
3022 | case QEMU_OPTION_d: | |
3023 | log_mask = optarg; | |
3024 | break; | |
3025 | case QEMU_OPTION_D: | |
3026 | log_file = optarg; | |
3027 | break; | |
3028 | case QEMU_OPTION_DFILTER: | |
3029 | qemu_set_dfilter_ranges(optarg, &error_fatal); | |
3030 | break; | |
3031 | #if defined(CONFIG_TCG) && defined(CONFIG_LINUX) | |
3032 | case QEMU_OPTION_perfmap: | |
3033 | perf_enable_perfmap(); | |
3034 | break; | |
3035 | case QEMU_OPTION_jitdump: | |
3036 | perf_enable_jitdump(); | |
3037 | break; | |
3038 | #endif | |
3039 | case QEMU_OPTION_seed: | |
3040 | qemu_guest_random_seed_main(optarg, &error_fatal); | |
3041 | break; | |
3042 | case QEMU_OPTION_s: | |
3043 | add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT); | |
3044 | break; | |
3045 | case QEMU_OPTION_gdb: | |
3046 | add_device_config(DEV_GDB, optarg); | |
3047 | break; | |
3048 | case QEMU_OPTION_L: | |
3049 | if (is_help_option(optarg)) { | |
3050 | list_data_dirs = true; | |
3051 | } else { | |
3052 | qemu_add_data_dir(g_strdup(optarg)); | |
3053 | } | |
3054 | break; | |
3055 | case QEMU_OPTION_bios: | |
3056 | qdict_put_str(machine_opts_dict, "firmware", optarg); | |
3057 | break; | |
3058 | case QEMU_OPTION_S: | |
3059 | autostart = 0; | |
3060 | break; | |
3061 | case QEMU_OPTION_k: | |
3062 | keyboard_layout = optarg; | |
3063 | break; | |
3064 | case QEMU_OPTION_vga: | |
3065 | vga_model = optarg; | |
3066 | default_vga = 0; | |
3067 | break; | |
3068 | case QEMU_OPTION_g: | |
3069 | { | |
3070 | const char *p; | |
3071 | int w, h, depth; | |
3072 | p = optarg; | |
3073 | w = strtol(p, (char **)&p, 10); | |
3074 | if (w <= 0) { | |
3075 | graphic_error: | |
3076 | error_report("invalid resolution or depth"); | |
3077 | exit(1); | |
3078 | } | |
3079 | if (*p != 'x') | |
3080 | goto graphic_error; | |
3081 | p++; | |
3082 | h = strtol(p, (char **)&p, 10); | |
3083 | if (h <= 0) | |
3084 | goto graphic_error; | |
3085 | if (*p == 'x') { | |
3086 | p++; | |
3087 | depth = strtol(p, (char **)&p, 10); | |
3088 | if (depth != 1 && depth != 2 && depth != 4 && | |
3089 | depth != 8 && depth != 15 && depth != 16 && | |
3090 | depth != 24 && depth != 32) | |
3091 | goto graphic_error; | |
3092 | } else if (*p == '\0') { | |
3093 | depth = graphic_depth; | |
3094 | } else { | |
3095 | goto graphic_error; | |
3096 | } | |
3097 | ||
3098 | graphic_width = w; | |
3099 | graphic_height = h; | |
3100 | graphic_depth = depth; | |
3101 | } | |
3102 | break; | |
3103 | case QEMU_OPTION_echr: | |
3104 | { | |
3105 | char *r; | |
3106 | term_escape_char = strtol(optarg, &r, 0); | |
3107 | if (r == optarg) | |
3108 | printf("Bad argument to echr\n"); | |
3109 | break; | |
3110 | } | |
3111 | case QEMU_OPTION_monitor: | |
3112 | default_monitor = 0; | |
3113 | if (strncmp(optarg, "none", 4)) { | |
3114 | monitor_parse(optarg, "readline", false); | |
3115 | } | |
3116 | break; | |
3117 | case QEMU_OPTION_qmp: | |
3118 | monitor_parse(optarg, "control", false); | |
3119 | default_monitor = 0; | |
3120 | break; | |
3121 | case QEMU_OPTION_qmp_pretty: | |
3122 | monitor_parse(optarg, "control", true); | |
3123 | default_monitor = 0; | |
3124 | break; | |
3125 | case QEMU_OPTION_mon: | |
3126 | opts = qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg, | |
3127 | true); | |
3128 | if (!opts) { | |
3129 | exit(1); | |
3130 | } | |
3131 | default_monitor = 0; | |
3132 | break; | |
3133 | case QEMU_OPTION_chardev: | |
3134 | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), | |
3135 | optarg, true); | |
3136 | if (!opts) { | |
3137 | exit(1); | |
3138 | } | |
3139 | break; | |
3140 | case QEMU_OPTION_fsdev: | |
3141 | olist = qemu_find_opts("fsdev"); | |
3142 | if (!olist) { | |
3143 | error_report("fsdev support is disabled"); | |
3144 | exit(1); | |
3145 | } | |
3146 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3147 | if (!opts) { | |
3148 | exit(1); | |
3149 | } | |
3150 | break; | |
3151 | case QEMU_OPTION_virtfs: { | |
3152 | QemuOpts *fsdev; | |
3153 | QemuOpts *device; | |
3154 | const char *writeout, *sock_fd, *socket, *path, *security_model, | |
3155 | *multidevs; | |
3156 | ||
3157 | olist = qemu_find_opts("virtfs"); | |
3158 | if (!olist) { | |
3159 | error_report("virtfs support is disabled"); | |
3160 | exit(1); | |
3161 | } | |
3162 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3163 | if (!opts) { | |
3164 | exit(1); | |
3165 | } | |
3166 | ||
3167 | if (qemu_opt_get(opts, "fsdriver") == NULL || | |
3168 | qemu_opt_get(opts, "mount_tag") == NULL) { | |
3169 | error_report("Usage: -virtfs fsdriver,mount_tag=tag"); | |
3170 | exit(1); | |
3171 | } | |
3172 | fsdev = qemu_opts_create(qemu_find_opts("fsdev"), | |
3173 | qemu_opts_id(opts) ?: | |
3174 | qemu_opt_get(opts, "mount_tag"), | |
3175 | 1, NULL); | |
3176 | if (!fsdev) { | |
3177 | error_report("duplicate or invalid fsdev id: %s", | |
3178 | qemu_opt_get(opts, "mount_tag")); | |
3179 | exit(1); | |
3180 | } | |
3181 | ||
3182 | writeout = qemu_opt_get(opts, "writeout"); | |
3183 | if (writeout) { | |
3184 | #ifdef CONFIG_SYNC_FILE_RANGE | |
3185 | qemu_opt_set(fsdev, "writeout", writeout, &error_abort); | |
3186 | #else | |
3187 | error_report("writeout=immediate not supported " | |
3188 | "on this platform"); | |
3189 | exit(1); | |
3190 | #endif | |
3191 | } | |
3192 | qemu_opt_set(fsdev, "fsdriver", | |
3193 | qemu_opt_get(opts, "fsdriver"), &error_abort); | |
3194 | path = qemu_opt_get(opts, "path"); | |
3195 | if (path) { | |
3196 | qemu_opt_set(fsdev, "path", path, &error_abort); | |
3197 | } | |
3198 | security_model = qemu_opt_get(opts, "security_model"); | |
3199 | if (security_model) { | |
3200 | qemu_opt_set(fsdev, "security_model", security_model, | |
3201 | &error_abort); | |
3202 | } | |
3203 | socket = qemu_opt_get(opts, "socket"); | |
3204 | if (socket) { | |
3205 | qemu_opt_set(fsdev, "socket", socket, &error_abort); | |
3206 | } | |
3207 | sock_fd = qemu_opt_get(opts, "sock_fd"); | |
3208 | if (sock_fd) { | |
3209 | qemu_opt_set(fsdev, "sock_fd", sock_fd, &error_abort); | |
3210 | } | |
3211 | ||
3212 | qemu_opt_set_bool(fsdev, "readonly", | |
3213 | qemu_opt_get_bool(opts, "readonly", 0), | |
3214 | &error_abort); | |
3215 | multidevs = qemu_opt_get(opts, "multidevs"); | |
3216 | if (multidevs) { | |
3217 | qemu_opt_set(fsdev, "multidevs", multidevs, &error_abort); | |
3218 | } | |
3219 | device = qemu_opts_create(qemu_find_opts("device"), NULL, 0, | |
3220 | &error_abort); | |
3221 | qemu_opt_set(device, "driver", "virtio-9p-pci", &error_abort); | |
3222 | qemu_opt_set(device, "fsdev", | |
3223 | qemu_opts_id(fsdev), &error_abort); | |
3224 | qemu_opt_set(device, "mount_tag", | |
3225 | qemu_opt_get(opts, "mount_tag"), &error_abort); | |
3226 | break; | |
3227 | } | |
3228 | case QEMU_OPTION_serial: | |
3229 | add_device_config(DEV_SERIAL, optarg); | |
3230 | default_serial = 0; | |
3231 | if (strncmp(optarg, "mon:", 4) == 0) { | |
3232 | default_monitor = 0; | |
3233 | } | |
3234 | break; | |
3235 | case QEMU_OPTION_action: | |
3236 | olist = qemu_find_opts("action"); | |
3237 | if (!qemu_opts_parse_noisily(olist, optarg, false)) { | |
3238 | exit(1); | |
3239 | } | |
3240 | break; | |
3241 | case QEMU_OPTION_watchdog_action: { | |
3242 | opts = qemu_opts_create(qemu_find_opts("action"), NULL, 0, &error_abort); | |
3243 | qemu_opt_set(opts, "watchdog", optarg, &error_abort); | |
3244 | break; | |
3245 | } | |
3246 | case QEMU_OPTION_parallel: | |
3247 | add_device_config(DEV_PARALLEL, optarg); | |
3248 | default_parallel = 0; | |
3249 | if (strncmp(optarg, "mon:", 4) == 0) { | |
3250 | default_monitor = 0; | |
3251 | } | |
3252 | break; | |
3253 | case QEMU_OPTION_debugcon: | |
3254 | add_device_config(DEV_DEBUGCON, optarg); | |
3255 | break; | |
3256 | case QEMU_OPTION_loadvm: | |
3257 | loadvm = optarg; | |
3258 | break; | |
3259 | case QEMU_OPTION_full_screen: | |
3260 | dpy.has_full_screen = true; | |
3261 | dpy.full_screen = true; | |
3262 | break; | |
3263 | case QEMU_OPTION_pidfile: | |
3264 | pid_file = optarg; | |
3265 | break; | |
3266 | case QEMU_OPTION_win2k_hack: | |
3267 | object_register_sugar_prop("ide-device", "win2k-install-hack", "true", true); | |
3268 | break; | |
3269 | case QEMU_OPTION_acpitable: | |
3270 | opts = qemu_opts_parse_noisily(qemu_find_opts("acpi"), | |
3271 | optarg, true); | |
3272 | if (!opts) { | |
3273 | exit(1); | |
3274 | } | |
3275 | acpi_table_add(opts, &error_fatal); | |
3276 | break; | |
3277 | case QEMU_OPTION_smbios: | |
3278 | opts = qemu_opts_parse_noisily(qemu_find_opts("smbios"), | |
3279 | optarg, false); | |
3280 | if (!opts) { | |
3281 | exit(1); | |
3282 | } | |
3283 | smbios_entry_add(opts, &error_fatal); | |
3284 | break; | |
3285 | case QEMU_OPTION_fwcfg: | |
3286 | opts = qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"), | |
3287 | optarg, true); | |
3288 | if (opts == NULL) { | |
3289 | exit(1); | |
3290 | } | |
3291 | break; | |
3292 | case QEMU_OPTION_preconfig: | |
3293 | preconfig_requested = true; | |
3294 | break; | |
3295 | case QEMU_OPTION_enable_kvm: | |
3296 | qdict_put_str(machine_opts_dict, "accel", "kvm"); | |
3297 | break; | |
3298 | case QEMU_OPTION_M: | |
3299 | case QEMU_OPTION_machine: | |
3300 | { | |
3301 | bool help; | |
3302 | ||
3303 | keyval_parse_into(machine_opts_dict, optarg, "type", &help, &error_fatal); | |
3304 | if (help) { | |
3305 | machine_help_func(machine_opts_dict); | |
3306 | exit(EXIT_SUCCESS); | |
3307 | } | |
3308 | break; | |
3309 | } | |
3310 | case QEMU_OPTION_accel: | |
3311 | accel_opts = qemu_opts_parse_noisily(qemu_find_opts("accel"), | |
3312 | optarg, true); | |
3313 | optarg = qemu_opt_get(accel_opts, "accel"); | |
3314 | if (!optarg || is_help_option(optarg)) { | |
3315 | printf("Accelerators supported in QEMU binary:\n"); | |
3316 | GSList *el, *accel_list = object_class_get_list(TYPE_ACCEL, | |
3317 | false); | |
3318 | for (el = accel_list; el; el = el->next) { | |
3319 | gchar *typename = g_strdup(object_class_get_name( | |
3320 | OBJECT_CLASS(el->data))); | |
3321 | /* omit qtest which is used for tests only */ | |
3322 | if (g_strcmp0(typename, ACCEL_CLASS_NAME("qtest")) && | |
3323 | g_str_has_suffix(typename, ACCEL_CLASS_SUFFIX)) { | |
3324 | gchar **optname = g_strsplit(typename, | |
3325 | ACCEL_CLASS_SUFFIX, 0); | |
3326 | printf("%s\n", optname[0]); | |
3327 | g_strfreev(optname); | |
3328 | } | |
3329 | g_free(typename); | |
3330 | } | |
3331 | g_slist_free(accel_list); | |
3332 | exit(0); | |
3333 | } | |
3334 | break; | |
3335 | case QEMU_OPTION_usb: | |
3336 | qdict_put_str(machine_opts_dict, "usb", "on"); | |
3337 | break; | |
3338 | case QEMU_OPTION_usbdevice: | |
3339 | qdict_put_str(machine_opts_dict, "usb", "on"); | |
3340 | add_device_config(DEV_USB, optarg); | |
3341 | break; | |
3342 | case QEMU_OPTION_device: | |
3343 | if (optarg[0] == '{') { | |
3344 | QObject *obj = qobject_from_json(optarg, &error_fatal); | |
3345 | DeviceOption *opt = g_new0(DeviceOption, 1); | |
3346 | opt->opts = qobject_to(QDict, obj); | |
3347 | loc_save(&opt->loc); | |
3348 | assert(opt->opts != NULL); | |
3349 | QTAILQ_INSERT_TAIL(&device_opts, opt, next); | |
3350 | } else { | |
3351 | if (!qemu_opts_parse_noisily(qemu_find_opts("device"), | |
3352 | optarg, true)) { | |
3353 | exit(1); | |
3354 | } | |
3355 | } | |
3356 | break; | |
3357 | case QEMU_OPTION_smp: | |
3358 | machine_parse_property_opt(qemu_find_opts("smp-opts"), | |
3359 | "smp", optarg); | |
3360 | break; | |
3361 | #ifdef CONFIG_VNC | |
3362 | case QEMU_OPTION_vnc: | |
3363 | vnc_parse(optarg); | |
3364 | display_remote++; | |
3365 | break; | |
3366 | #endif | |
3367 | case QEMU_OPTION_no_reboot: | |
3368 | olist = qemu_find_opts("action"); | |
3369 | qemu_opts_parse_noisily(olist, "reboot=shutdown", false); | |
3370 | break; | |
3371 | case QEMU_OPTION_no_shutdown: | |
3372 | olist = qemu_find_opts("action"); | |
3373 | qemu_opts_parse_noisily(olist, "shutdown=pause", false); | |
3374 | break; | |
3375 | case QEMU_OPTION_uuid: | |
3376 | if (qemu_uuid_parse(optarg, &qemu_uuid) < 0) { | |
3377 | error_report("failed to parse UUID string: wrong format"); | |
3378 | exit(1); | |
3379 | } | |
3380 | qemu_uuid_set = true; | |
3381 | break; | |
3382 | case QEMU_OPTION_option_rom: | |
3383 | if (nb_option_roms >= MAX_OPTION_ROMS) { | |
3384 | error_report("too many option ROMs"); | |
3385 | exit(1); | |
3386 | } | |
3387 | opts = qemu_opts_parse_noisily(qemu_find_opts("option-rom"), | |
3388 | optarg, true); | |
3389 | if (!opts) { | |
3390 | exit(1); | |
3391 | } | |
3392 | option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile"); | |
3393 | option_rom[nb_option_roms].bootindex = | |
3394 | qemu_opt_get_number(opts, "bootindex", -1); | |
3395 | if (!option_rom[nb_option_roms].name) { | |
3396 | error_report("Option ROM file is not specified"); | |
3397 | exit(1); | |
3398 | } | |
3399 | nb_option_roms++; | |
3400 | break; | |
3401 | case QEMU_OPTION_semihosting: | |
3402 | qemu_semihosting_enable(); | |
3403 | break; | |
3404 | case QEMU_OPTION_semihosting_config: | |
3405 | if (qemu_semihosting_config_options(optarg) != 0) { | |
3406 | exit(1); | |
3407 | } | |
3408 | break; | |
3409 | case QEMU_OPTION_name: | |
3410 | opts = qemu_opts_parse_noisily(qemu_find_opts("name"), | |
3411 | optarg, true); | |
3412 | if (!opts) { | |
3413 | exit(1); | |
3414 | } | |
3415 | /* Capture guest name if -msg guest-name is used later */ | |
3416 | error_guest_name = qemu_opt_get(opts, "guest"); | |
3417 | break; | |
3418 | case QEMU_OPTION_prom_env: | |
3419 | if (nb_prom_envs >= MAX_PROM_ENVS) { | |
3420 | error_report("too many prom variables"); | |
3421 | exit(1); | |
3422 | } | |
3423 | prom_envs[nb_prom_envs] = optarg; | |
3424 | nb_prom_envs++; | |
3425 | break; | |
3426 | case QEMU_OPTION_old_param: | |
3427 | old_param = 1; | |
3428 | break; | |
3429 | case QEMU_OPTION_rtc: | |
3430 | opts = qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg, | |
3431 | false); | |
3432 | if (!opts) { | |
3433 | exit(1); | |
3434 | } | |
3435 | break; | |
3436 | case QEMU_OPTION_icount: | |
3437 | icount_opts = qemu_opts_parse_noisily(qemu_find_opts("icount"), | |
3438 | optarg, true); | |
3439 | if (!icount_opts) { | |
3440 | exit(1); | |
3441 | } | |
3442 | break; | |
3443 | case QEMU_OPTION_incoming: | |
3444 | if (!incoming) { | |
3445 | runstate_set(RUN_STATE_INMIGRATE); | |
3446 | } | |
3447 | incoming = optarg; | |
3448 | break; | |
3449 | case QEMU_OPTION_only_migratable: | |
3450 | only_migratable = 1; | |
3451 | break; | |
3452 | case QEMU_OPTION_nodefaults: | |
3453 | has_defaults = 0; | |
3454 | break; | |
3455 | case QEMU_OPTION_xen_domid: | |
3456 | if (!(accel_find("xen")) && !(accel_find("kvm"))) { | |
3457 | error_report("Option not supported for this target"); | |
3458 | exit(1); | |
3459 | } | |
3460 | xen_domid = atoi(optarg); | |
3461 | break; | |
3462 | case QEMU_OPTION_xen_attach: | |
3463 | if (!(accel_find("xen"))) { | |
3464 | error_report("Option not supported for this target"); | |
3465 | exit(1); | |
3466 | } | |
3467 | xen_mode = XEN_ATTACH; | |
3468 | break; | |
3469 | case QEMU_OPTION_xen_domid_restrict: | |
3470 | if (!(accel_find("xen"))) { | |
3471 | error_report("Option not supported for this target"); | |
3472 | exit(1); | |
3473 | } | |
3474 | xen_domid_restrict = true; | |
3475 | break; | |
3476 | case QEMU_OPTION_trace: | |
3477 | trace_opt_parse(optarg); | |
3478 | break; | |
3479 | case QEMU_OPTION_plugin: | |
3480 | qemu_plugin_opt_parse(optarg, &plugin_list); | |
3481 | break; | |
3482 | case QEMU_OPTION_readconfig: | |
3483 | qemu_read_config_file(optarg, qemu_parse_config_group, &error_fatal); | |
3484 | break; | |
3485 | #ifdef CONFIG_SPICE | |
3486 | case QEMU_OPTION_spice: | |
3487 | opts = qemu_opts_parse_noisily(qemu_find_opts("spice"), optarg, false); | |
3488 | if (!opts) { | |
3489 | exit(1); | |
3490 | } | |
3491 | display_remote++; | |
3492 | break; | |
3493 | #endif | |
3494 | case QEMU_OPTION_qtest: | |
3495 | qtest_chrdev = optarg; | |
3496 | break; | |
3497 | case QEMU_OPTION_qtest_log: | |
3498 | qtest_log = optarg; | |
3499 | break; | |
3500 | case QEMU_OPTION_sandbox: | |
3501 | olist = qemu_find_opts("sandbox"); | |
3502 | if (!olist) { | |
3503 | #ifndef CONFIG_SECCOMP | |
3504 | error_report("-sandbox support is not enabled " | |
3505 | "in this QEMU binary"); | |
3506 | #endif | |
3507 | exit(1); | |
3508 | } | |
3509 | ||
3510 | opts = qemu_opts_parse_noisily(olist, optarg, true); | |
3511 | if (!opts) { | |
3512 | exit(1); | |
3513 | } | |
3514 | break; | |
3515 | case QEMU_OPTION_add_fd: | |
3516 | #ifndef _WIN32 | |
3517 | opts = qemu_opts_parse_noisily(qemu_find_opts("add-fd"), | |
3518 | optarg, false); | |
3519 | if (!opts) { | |
3520 | exit(1); | |
3521 | } | |
3522 | #else | |
3523 | error_report("File descriptor passing is disabled on this " | |
3524 | "platform"); | |
3525 | exit(1); | |
3526 | #endif | |
3527 | break; | |
3528 | case QEMU_OPTION_object: | |
3529 | object_option_parse(optarg); | |
3530 | break; | |
3531 | case QEMU_OPTION_overcommit: | |
3532 | opts = qemu_opts_parse_noisily(qemu_find_opts("overcommit"), | |
3533 | optarg, false); | |
3534 | if (!opts) { | |
3535 | exit(1); | |
3536 | } | |
3537 | enable_mlock = qemu_opt_get_bool(opts, "mem-lock", false); | |
3538 | enable_cpu_pm = qemu_opt_get_bool(opts, "cpu-pm", false); | |
3539 | break; | |
3540 | case QEMU_OPTION_compat: | |
3541 | { | |
3542 | CompatPolicy *opts_policy; | |
3543 | Visitor *v; | |
3544 | ||
3545 | v = qobject_input_visitor_new_str(optarg, NULL, | |
3546 | &error_fatal); | |
3547 | ||
3548 | visit_type_CompatPolicy(v, NULL, &opts_policy, &error_fatal); | |
3549 | QAPI_CLONE_MEMBERS(CompatPolicy, &compat_policy, opts_policy); | |
3550 | ||
3551 | qapi_free_CompatPolicy(opts_policy); | |
3552 | visit_free(v); | |
3553 | break; | |
3554 | } | |
3555 | case QEMU_OPTION_msg: | |
3556 | opts = qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg, | |
3557 | false); | |
3558 | if (!opts) { | |
3559 | exit(1); | |
3560 | } | |
3561 | configure_msg(opts); | |
3562 | break; | |
3563 | case QEMU_OPTION_dump_vmstate: | |
3564 | if (vmstate_dump_file) { | |
3565 | error_report("only one '-dump-vmstate' " | |
3566 | "option may be given"); | |
3567 | exit(1); | |
3568 | } | |
3569 | vmstate_dump_file = fopen(optarg, "w"); | |
3570 | if (vmstate_dump_file == NULL) { | |
3571 | error_report("open %s: %s", optarg, strerror(errno)); | |
3572 | exit(1); | |
3573 | } | |
3574 | break; | |
3575 | case QEMU_OPTION_enable_sync_profile: | |
3576 | qsp_enable(); | |
3577 | break; | |
3578 | case QEMU_OPTION_nouserconfig: | |
3579 | /* Nothing to be parsed here. Especially, do not error out below. */ | |
3580 | break; | |
3581 | #if defined(CONFIG_POSIX) | |
3582 | case QEMU_OPTION_runas: | |
3583 | if (!os_set_runas(optarg)) { | |
3584 | error_report("User \"%s\" doesn't exist" | |
3585 | " (and is not <uid>:<gid>)", | |
3586 | optarg); | |
3587 | exit(1); | |
3588 | } | |
3589 | break; | |
3590 | case QEMU_OPTION_daemonize: | |
3591 | os_set_daemonize(true); | |
3592 | break; | |
3593 | case QEMU_OPTION_run_with: { | |
3594 | const char *str; | |
3595 | opts = qemu_opts_parse_noisily(qemu_find_opts("run-with"), | |
3596 | optarg, false); | |
3597 | if (!opts) { | |
3598 | exit(1); | |
3599 | } | |
3600 | #if defined(CONFIG_LINUX) | |
3601 | if (qemu_opt_get_bool(opts, "async-teardown", false)) { | |
3602 | init_async_teardown(); | |
3603 | } | |
3604 | #endif | |
3605 | str = qemu_opt_get(opts, "chroot"); | |
3606 | if (str) { | |
3607 | os_set_chroot(str); | |
3608 | } | |
3609 | break; | |
3610 | } | |
3611 | #endif /* CONFIG_POSIX */ | |
3612 | ||
3613 | default: | |
3614 | error_report("Option not supported in this build"); | |
3615 | exit(1); | |
3616 | } | |
3617 | } | |
3618 | } | |
3619 | /* | |
3620 | * Clear error location left behind by the loop. | |
3621 | * Best done right after the loop. Do not insert code here! | |
3622 | */ | |
3623 | loc_set_none(); | |
3624 | ||
3625 | qemu_validate_options(machine_opts_dict); | |
3626 | qemu_process_sugar_options(); | |
3627 | ||
3628 | /* | |
3629 | * These options affect everything else and should be processed | |
3630 | * before daemonizing. | |
3631 | */ | |
3632 | qemu_process_early_options(); | |
3633 | ||
3634 | qemu_process_help_options(); | |
3635 | qemu_maybe_daemonize(pid_file); | |
3636 | ||
3637 | /* | |
3638 | * The trace backend must be initialized after daemonizing. | |
3639 | * trace_init_backends() will call st_init(), which will create the | |
3640 | * trace thread in the parent, and also register st_flush_trace_buffer() | |
3641 | * in atexit(). This function will force the parent to wait for the | |
3642 | * writeout thread to finish, which will not occur, and the parent | |
3643 | * process will be left in the host. | |
3644 | */ | |
3645 | if (!trace_init_backends()) { | |
3646 | exit(1); | |
3647 | } | |
3648 | trace_init_file(); | |
3649 | ||
3650 | qemu_init_main_loop(&error_fatal); | |
3651 | cpu_timers_init(); | |
3652 | ||
3653 | user_register_global_props(); | |
3654 | replay_configure(icount_opts); | |
3655 | ||
3656 | configure_rtc(qemu_find_opts_singleton("rtc")); | |
3657 | ||
3658 | /* Transfer QemuOpts options into machine options */ | |
3659 | parse_memory_options(); | |
3660 | ||
3661 | qemu_create_machine(machine_opts_dict); | |
3662 | ||
3663 | suspend_mux_open(); | |
3664 | ||
3665 | qemu_disable_default_devices(); | |
3666 | qemu_setup_display(); | |
3667 | qemu_create_default_devices(); | |
3668 | qemu_create_early_backends(); | |
3669 | ||
3670 | qemu_apply_legacy_machine_options(machine_opts_dict); | |
3671 | qemu_apply_machine_options(machine_opts_dict); | |
3672 | qobject_unref(machine_opts_dict); | |
3673 | phase_advance(PHASE_MACHINE_CREATED); | |
3674 | ||
3675 | /* | |
3676 | * Note: uses machine properties such as kernel-irqchip, must run | |
3677 | * after qemu_apply_machine_options. | |
3678 | */ | |
3679 | configure_accelerators(argv[0]); | |
3680 | phase_advance(PHASE_ACCEL_CREATED); | |
3681 | ||
3682 | /* | |
3683 | * Beware, QOM objects created before this point miss global and | |
3684 | * compat properties. | |
3685 | * | |
3686 | * Global properties get set up by qdev_prop_register_global(), | |
3687 | * called from user_register_global_props(), and certain option | |
3688 | * desugaring. Also in CPU feature desugaring (buried in | |
3689 | * parse_cpu_option()), which happens below this point, but may | |
3690 | * only target the CPU type, which can only be created after | |
3691 | * parse_cpu_option() returned the type. | |
3692 | * | |
3693 | * Machine compat properties: object_set_machine_compat_props(). | |
3694 | * Accelerator compat props: object_set_accelerator_compat_props(), | |
3695 | * called from do_configure_accelerator(). | |
3696 | */ | |
3697 | ||
3698 | machine_class = MACHINE_GET_CLASS(current_machine); | |
3699 | if (!qtest_enabled() && machine_class->deprecation_reason) { | |
3700 | warn_report("Machine type '%s' is deprecated: %s", | |
3701 | machine_class->name, machine_class->deprecation_reason); | |
3702 | } | |
3703 | ||
3704 | /* | |
3705 | * Create backends before creating migration objects, so that it can | |
3706 | * check against compatibilities on the backend memories (e.g. postcopy | |
3707 | * over memory-backend-file objects). | |
3708 | */ | |
3709 | qemu_create_late_backends(); | |
3710 | phase_advance(PHASE_LATE_BACKENDS_CREATED); | |
3711 | ||
3712 | /* | |
3713 | * Note: creates a QOM object, must run only after global and | |
3714 | * compat properties have been set up. | |
3715 | */ | |
3716 | migration_object_init(); | |
3717 | ||
3718 | /* parse features once if machine provides default cpu_type */ | |
3719 | current_machine->cpu_type = machine_class_default_cpu_type(machine_class); | |
3720 | if (cpu_option) { | |
3721 | current_machine->cpu_type = parse_cpu_option(cpu_option); | |
3722 | } | |
3723 | /* NB: for machine none cpu_type could STILL be NULL here! */ | |
3724 | ||
3725 | qemu_resolve_machine_memdev(); | |
3726 | parse_numa_opts(current_machine); | |
3727 | ||
3728 | if (vmstate_dump_file) { | |
3729 | /* dump and exit */ | |
3730 | module_load_qom_all(); | |
3731 | dump_vmstate_json_to_file(vmstate_dump_file); | |
3732 | exit(0); | |
3733 | } | |
3734 | ||
3735 | if (!preconfig_requested) { | |
3736 | qmp_x_exit_preconfig(&error_fatal); | |
3737 | } | |
3738 | qemu_init_displays(); | |
3739 | accel_setup_post(current_machine); | |
3740 | os_setup_post(); | |
3741 | resume_mux_open(); | |
3742 | } |