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