Add Migration maintainer
[qemu.git] / vl.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24 #include <unistd.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <time.h>
28 #include <errno.h>
29 #include <sys/time.h>
30
31 #include "config-host.h"
32
33 #ifdef CONFIG_SECCOMP
34 #include "sysemu/seccomp.h"
35 #endif
36
37 #if defined(CONFIG_VDE)
38 #include <libvdeplug.h>
39 #endif
40
41 #ifdef CONFIG_SDL
42 #if defined(__APPLE__) || defined(main)
43 #include <SDL.h>
44 int qemu_main(int argc, char **argv, char **envp);
45 int main(int argc, char **argv)
46 {
47 return qemu_main(argc, argv, NULL);
48 }
49 #undef main
50 #define main qemu_main
51 #endif
52 #endif /* CONFIG_SDL */
53
54 #ifdef CONFIG_COCOA
55 #undef main
56 #define main qemu_main
57 #endif /* CONFIG_COCOA */
58
59 #include <glib.h>
60
61 #include "qemu/sockets.h"
62 #include "hw/hw.h"
63 #include "hw/boards.h"
64 #include "sysemu/accel.h"
65 #include "hw/usb.h"
66 #include "hw/i386/pc.h"
67 #include "hw/isa/isa.h"
68 #include "hw/bt.h"
69 #include "sysemu/watchdog.h"
70 #include "hw/i386/smbios.h"
71 #include "hw/xen/xen.h"
72 #include "hw/qdev.h"
73 #include "hw/loader.h"
74 #include "monitor/qdev.h"
75 #include "sysemu/bt.h"
76 #include "net/net.h"
77 #include "net/slirp.h"
78 #include "monitor/monitor.h"
79 #include "ui/console.h"
80 #include "sysemu/sysemu.h"
81 #include "exec/gdbstub.h"
82 #include "qemu/timer.h"
83 #include "sysemu/char.h"
84 #include "qemu/bitmap.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/kvm.h"
93 #include "qapi/qmp/qjson.h"
94 #include "qemu/option.h"
95 #include "qemu/config-file.h"
96 #include "qemu-options.h"
97 #include "qmp-commands.h"
98 #include "qemu/main-loop.h"
99 #ifdef CONFIG_VIRTFS
100 #include "fsdev/qemu-fsdev.h"
101 #endif
102 #include "sysemu/qtest.h"
103
104 #include "disas/disas.h"
105
106
107 #include "slirp/libslirp.h"
108
109 #include "trace.h"
110 #include "trace/control.h"
111 #include "qemu/queue.h"
112 #include "sysemu/cpus.h"
113 #include "sysemu/arch_init.h"
114 #include "qemu/osdep.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
122 #define DEFAULT_RAM_SIZE 128
123
124 #define MAX_VIRTIO_CONSOLES 1
125 #define MAX_SCLP_CONSOLES 1
126
127 static const char *data_dir[16];
128 static int data_dir_idx;
129 const char *bios_name = NULL;
130 enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
131 DisplayType display_type = DT_DEFAULT;
132 static int display_remote;
133 const char* keyboard_layout = NULL;
134 ram_addr_t ram_size;
135 const char *mem_path = NULL;
136 int mem_prealloc = 0; /* force preallocation of physical target memory */
137 bool enable_mlock = false;
138 int nb_nics;
139 NICInfo nd_table[MAX_NICS];
140 int autostart;
141 static int rtc_utc = 1;
142 static int rtc_date_offset = -1; /* -1 means no change */
143 QEMUClockType rtc_clock;
144 int vga_interface_type = VGA_NONE;
145 static int full_screen = 0;
146 static int no_frame = 0;
147 int no_quit = 0;
148 #ifdef CONFIG_GTK
149 static bool grab_on_hover;
150 #endif
151 CharDriverState *serial_hds[MAX_SERIAL_PORTS];
152 CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
153 CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
154 CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
155 int win2k_install_hack = 0;
156 int singlestep = 0;
157 int smp_cpus = 1;
158 int max_cpus = 0;
159 int smp_cores = 1;
160 int smp_threads = 1;
161 #ifdef CONFIG_VNC
162 const char *vnc_display;
163 #endif
164 int acpi_enabled = 1;
165 int no_hpet = 0;
166 int fd_bootchk = 1;
167 static int no_reboot;
168 int no_shutdown = 0;
169 int cursor_hide = 1;
170 int graphic_rotate = 0;
171 const char *watchdog;
172 QEMUOptionRom option_rom[MAX_OPTION_ROMS];
173 int nb_option_roms;
174 int semihosting_enabled = 0;
175 int old_param = 0;
176 const char *qemu_name;
177 int alt_grab = 0;
178 int ctrl_grab = 0;
179 unsigned int nb_prom_envs = 0;
180 const char *prom_envs[MAX_PROM_ENVS];
181 int boot_menu;
182 bool boot_strict;
183 uint8_t *boot_splash_filedata;
184 size_t boot_splash_filedata_size;
185 uint8_t qemu_extra_params_fw[2];
186
187 int icount_align_option;
188
189 int nb_numa_nodes;
190 int max_numa_nodeid;
191 NodeInfo numa_info[MAX_NODES];
192
193 /* The bytes in qemu_uuid[] are in the order specified by RFC4122, _not_ in the
194 * little-endian "wire format" described in the SMBIOS 2.6 specification.
195 */
196 uint8_t qemu_uuid[16];
197 bool qemu_uuid_set;
198
199 static QEMUBootSetHandler *boot_set_handler;
200 static void *boot_set_opaque;
201
202 static NotifierList exit_notifiers =
203 NOTIFIER_LIST_INITIALIZER(exit_notifiers);
204
205 static NotifierList machine_init_done_notifiers =
206 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
207
208 bool xen_allowed;
209 uint32_t xen_domid;
210 enum xen_mode xen_mode = XEN_EMULATE;
211
212 static int has_defaults = 1;
213 static int default_serial = 1;
214 static int default_parallel = 1;
215 static int default_virtcon = 1;
216 static int default_sclp = 1;
217 static int default_monitor = 1;
218 static int default_floppy = 1;
219 static int default_cdrom = 1;
220 static int default_sdcard = 1;
221 static int default_vga = 1;
222
223 static struct {
224 const char *driver;
225 int *flag;
226 } default_list[] = {
227 { .driver = "isa-serial", .flag = &default_serial },
228 { .driver = "isa-parallel", .flag = &default_parallel },
229 { .driver = "isa-fdc", .flag = &default_floppy },
230 { .driver = "ide-cd", .flag = &default_cdrom },
231 { .driver = "ide-hd", .flag = &default_cdrom },
232 { .driver = "ide-drive", .flag = &default_cdrom },
233 { .driver = "scsi-cd", .flag = &default_cdrom },
234 { .driver = "virtio-serial-pci", .flag = &default_virtcon },
235 { .driver = "virtio-serial-s390", .flag = &default_virtcon },
236 { .driver = "virtio-serial", .flag = &default_virtcon },
237 { .driver = "VGA", .flag = &default_vga },
238 { .driver = "isa-vga", .flag = &default_vga },
239 { .driver = "cirrus-vga", .flag = &default_vga },
240 { .driver = "isa-cirrus-vga", .flag = &default_vga },
241 { .driver = "vmware-svga", .flag = &default_vga },
242 { .driver = "qxl-vga", .flag = &default_vga },
243 };
244
245 static QemuOptsList qemu_rtc_opts = {
246 .name = "rtc",
247 .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
248 .desc = {
249 {
250 .name = "base",
251 .type = QEMU_OPT_STRING,
252 },{
253 .name = "clock",
254 .type = QEMU_OPT_STRING,
255 },{
256 .name = "driftfix",
257 .type = QEMU_OPT_STRING,
258 },
259 { /* end of list */ }
260 },
261 };
262
263 static QemuOptsList qemu_sandbox_opts = {
264 .name = "sandbox",
265 .implied_opt_name = "enable",
266 .head = QTAILQ_HEAD_INITIALIZER(qemu_sandbox_opts.head),
267 .desc = {
268 {
269 .name = "enable",
270 .type = QEMU_OPT_BOOL,
271 },
272 { /* end of list */ }
273 },
274 };
275
276 static QemuOptsList qemu_trace_opts = {
277 .name = "trace",
278 .implied_opt_name = "trace",
279 .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
280 .desc = {
281 {
282 .name = "events",
283 .type = QEMU_OPT_STRING,
284 },{
285 .name = "file",
286 .type = QEMU_OPT_STRING,
287 },
288 { /* end of list */ }
289 },
290 };
291
292 static QemuOptsList qemu_option_rom_opts = {
293 .name = "option-rom",
294 .implied_opt_name = "romfile",
295 .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
296 .desc = {
297 {
298 .name = "bootindex",
299 .type = QEMU_OPT_NUMBER,
300 }, {
301 .name = "romfile",
302 .type = QEMU_OPT_STRING,
303 },
304 { /* end of list */ }
305 },
306 };
307
308 static QemuOptsList qemu_machine_opts = {
309 .name = "machine",
310 .implied_opt_name = "type",
311 .merge_lists = true,
312 .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
313 .desc = {
314 {
315 .name = "type",
316 .type = QEMU_OPT_STRING,
317 .help = "emulated machine"
318 }, {
319 .name = "accel",
320 .type = QEMU_OPT_STRING,
321 .help = "accelerator list",
322 }, {
323 .name = "kernel_irqchip",
324 .type = QEMU_OPT_BOOL,
325 .help = "use KVM in-kernel irqchip",
326 }, {
327 .name = "kvm_shadow_mem",
328 .type = QEMU_OPT_SIZE,
329 .help = "KVM shadow MMU size",
330 }, {
331 .name = "kernel",
332 .type = QEMU_OPT_STRING,
333 .help = "Linux kernel image file",
334 }, {
335 .name = "initrd",
336 .type = QEMU_OPT_STRING,
337 .help = "Linux initial ramdisk file",
338 }, {
339 .name = "append",
340 .type = QEMU_OPT_STRING,
341 .help = "Linux kernel command line",
342 }, {
343 .name = "dtb",
344 .type = QEMU_OPT_STRING,
345 .help = "Linux kernel device tree file",
346 }, {
347 .name = "dumpdtb",
348 .type = QEMU_OPT_STRING,
349 .help = "Dump current dtb to a file and quit",
350 }, {
351 .name = "phandle_start",
352 .type = QEMU_OPT_NUMBER,
353 .help = "The first phandle ID we may generate dynamically",
354 }, {
355 .name = "dt_compatible",
356 .type = QEMU_OPT_STRING,
357 .help = "Overrides the \"compatible\" property of the dt root node",
358 }, {
359 .name = "dump-guest-core",
360 .type = QEMU_OPT_BOOL,
361 .help = "Include guest memory in a core dump",
362 }, {
363 .name = "mem-merge",
364 .type = QEMU_OPT_BOOL,
365 .help = "enable/disable memory merge support",
366 },{
367 .name = "usb",
368 .type = QEMU_OPT_BOOL,
369 .help = "Set on/off to enable/disable usb",
370 },{
371 .name = "firmware",
372 .type = QEMU_OPT_STRING,
373 .help = "firmware image",
374 },{
375 .name = "kvm-type",
376 .type = QEMU_OPT_STRING,
377 .help = "Specifies the KVM virtualization mode (HV, PR)",
378 },{
379 .name = PC_MACHINE_MAX_RAM_BELOW_4G,
380 .type = QEMU_OPT_SIZE,
381 .help = "maximum ram below the 4G boundary (32bit boundary)",
382 }, {
383 .name = PC_MACHINE_VMPORT,
384 .type = QEMU_OPT_BOOL,
385 .help = "Enable vmport (pc & q35)",
386 },{
387 .name = "iommu",
388 .type = QEMU_OPT_BOOL,
389 .help = "Set on/off to enable/disable Intel IOMMU (VT-d)",
390 },
391 { /* End of list */ }
392 },
393 };
394
395 static QemuOptsList qemu_boot_opts = {
396 .name = "boot-opts",
397 .implied_opt_name = "order",
398 .merge_lists = true,
399 .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
400 .desc = {
401 {
402 .name = "order",
403 .type = QEMU_OPT_STRING,
404 }, {
405 .name = "once",
406 .type = QEMU_OPT_STRING,
407 }, {
408 .name = "menu",
409 .type = QEMU_OPT_BOOL,
410 }, {
411 .name = "splash",
412 .type = QEMU_OPT_STRING,
413 }, {
414 .name = "splash-time",
415 .type = QEMU_OPT_STRING,
416 }, {
417 .name = "reboot-timeout",
418 .type = QEMU_OPT_STRING,
419 }, {
420 .name = "strict",
421 .type = QEMU_OPT_BOOL,
422 },
423 { /*End of list */ }
424 },
425 };
426
427 static QemuOptsList qemu_add_fd_opts = {
428 .name = "add-fd",
429 .head = QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts.head),
430 .desc = {
431 {
432 .name = "fd",
433 .type = QEMU_OPT_NUMBER,
434 .help = "file descriptor of which a duplicate is added to fd set",
435 },{
436 .name = "set",
437 .type = QEMU_OPT_NUMBER,
438 .help = "ID of the fd set to add fd to",
439 },{
440 .name = "opaque",
441 .type = QEMU_OPT_STRING,
442 .help = "free-form string used to describe fd",
443 },
444 { /* end of list */ }
445 },
446 };
447
448 static QemuOptsList qemu_object_opts = {
449 .name = "object",
450 .implied_opt_name = "qom-type",
451 .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
452 .desc = {
453 { }
454 },
455 };
456
457 static QemuOptsList qemu_tpmdev_opts = {
458 .name = "tpmdev",
459 .implied_opt_name = "type",
460 .head = QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts.head),
461 .desc = {
462 /* options are defined in the TPM backends */
463 { /* end of list */ }
464 },
465 };
466
467 static QemuOptsList qemu_realtime_opts = {
468 .name = "realtime",
469 .head = QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts.head),
470 .desc = {
471 {
472 .name = "mlock",
473 .type = QEMU_OPT_BOOL,
474 },
475 { /* end of list */ }
476 },
477 };
478
479 static QemuOptsList qemu_msg_opts = {
480 .name = "msg",
481 .head = QTAILQ_HEAD_INITIALIZER(qemu_msg_opts.head),
482 .desc = {
483 {
484 .name = "timestamp",
485 .type = QEMU_OPT_BOOL,
486 },
487 { /* end of list */ }
488 },
489 };
490
491 static QemuOptsList qemu_name_opts = {
492 .name = "name",
493 .implied_opt_name = "guest",
494 .merge_lists = true,
495 .head = QTAILQ_HEAD_INITIALIZER(qemu_name_opts.head),
496 .desc = {
497 {
498 .name = "guest",
499 .type = QEMU_OPT_STRING,
500 .help = "Sets the name of the guest.\n"
501 "This name will be displayed in the SDL window caption.\n"
502 "The name will also be used for the VNC server",
503 }, {
504 .name = "process",
505 .type = QEMU_OPT_STRING,
506 .help = "Sets the name of the QEMU process, as shown in top etc",
507 }, {
508 .name = "debug-threads",
509 .type = QEMU_OPT_BOOL,
510 .help = "When enabled, name the individual threads; defaults off.\n"
511 "NOTE: The thread names are for debugging and not a\n"
512 "stable API.",
513 },
514 { /* End of list */ }
515 },
516 };
517
518 static QemuOptsList qemu_mem_opts = {
519 .name = "memory",
520 .implied_opt_name = "size",
521 .head = QTAILQ_HEAD_INITIALIZER(qemu_mem_opts.head),
522 .merge_lists = true,
523 .desc = {
524 {
525 .name = "size",
526 .type = QEMU_OPT_SIZE,
527 },
528 {
529 .name = "slots",
530 .type = QEMU_OPT_NUMBER,
531 },
532 {
533 .name = "maxmem",
534 .type = QEMU_OPT_SIZE,
535 },
536 { /* end of list */ }
537 },
538 };
539
540 static QemuOptsList qemu_icount_opts = {
541 .name = "icount",
542 .implied_opt_name = "shift",
543 .merge_lists = true,
544 .head = QTAILQ_HEAD_INITIALIZER(qemu_icount_opts.head),
545 .desc = {
546 {
547 .name = "shift",
548 .type = QEMU_OPT_STRING,
549 }, {
550 .name = "align",
551 .type = QEMU_OPT_BOOL,
552 },
553 { /* end of list */ }
554 },
555 };
556
557 /**
558 * Get machine options
559 *
560 * Returns: machine options (never null).
561 */
562 QemuOpts *qemu_get_machine_opts(void)
563 {
564 return qemu_find_opts_singleton("machine");
565 }
566
567 const char *qemu_get_vm_name(void)
568 {
569 return qemu_name;
570 }
571
572 static void res_free(void)
573 {
574 if (boot_splash_filedata != NULL) {
575 g_free(boot_splash_filedata);
576 boot_splash_filedata = NULL;
577 }
578 }
579
580 static int default_driver_check(QemuOpts *opts, void *opaque)
581 {
582 const char *driver = qemu_opt_get(opts, "driver");
583 int i;
584
585 if (!driver)
586 return 0;
587 for (i = 0; i < ARRAY_SIZE(default_list); i++) {
588 if (strcmp(default_list[i].driver, driver) != 0)
589 continue;
590 *(default_list[i].flag) = 0;
591 }
592 return 0;
593 }
594
595 /***********************************************************/
596 /* QEMU state */
597
598 static RunState current_run_state = RUN_STATE_PRELAUNCH;
599
600 /* We use RUN_STATE_MAX but any invalid value will do */
601 static RunState vmstop_requested = RUN_STATE_MAX;
602 static QemuMutex vmstop_lock;
603
604 typedef struct {
605 RunState from;
606 RunState to;
607 } RunStateTransition;
608
609 static const RunStateTransition runstate_transitions_def[] = {
610 /* from -> to */
611 { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
612 { RUN_STATE_DEBUG, RUN_STATE_FINISH_MIGRATE },
613
614 { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
615 { RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
616
617 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
618 { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
619
620 { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
621 { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
622
623 { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
624 { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
625
626 { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
627 { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
628
629 { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
630 { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
631 { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
632
633 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
634 { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
635
636 { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
637
638 { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
639 { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
640 { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
641 { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
642 { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
643 { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
644 { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
645 { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
646 { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
647 { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
648
649 { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
650
651 { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
652 { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
653
654 { RUN_STATE_DEBUG, RUN_STATE_SUSPENDED },
655 { RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
656 { RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
657 { RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
658
659 { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
660 { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
661
662 { RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
663 { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
664
665 { RUN_STATE_MAX, RUN_STATE_MAX },
666 };
667
668 static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
669
670 bool runstate_check(RunState state)
671 {
672 return current_run_state == state;
673 }
674
675 static void runstate_init(void)
676 {
677 const RunStateTransition *p;
678
679 memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
680 for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
681 runstate_valid_transitions[p->from][p->to] = true;
682 }
683
684 qemu_mutex_init(&vmstop_lock);
685 }
686
687 /* This function will abort() on invalid state transitions */
688 void runstate_set(RunState new_state)
689 {
690 assert(new_state < RUN_STATE_MAX);
691
692 if (!runstate_valid_transitions[current_run_state][new_state]) {
693 fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
694 RunState_lookup[current_run_state],
695 RunState_lookup[new_state]);
696 abort();
697 }
698 trace_runstate_set(new_state);
699 current_run_state = new_state;
700 }
701
702 int runstate_is_running(void)
703 {
704 return runstate_check(RUN_STATE_RUNNING);
705 }
706
707 bool runstate_needs_reset(void)
708 {
709 return runstate_check(RUN_STATE_INTERNAL_ERROR) ||
710 runstate_check(RUN_STATE_SHUTDOWN);
711 }
712
713 StatusInfo *qmp_query_status(Error **errp)
714 {
715 StatusInfo *info = g_malloc0(sizeof(*info));
716
717 info->running = runstate_is_running();
718 info->singlestep = singlestep;
719 info->status = current_run_state;
720
721 return info;
722 }
723
724 static bool qemu_vmstop_requested(RunState *r)
725 {
726 qemu_mutex_lock(&vmstop_lock);
727 *r = vmstop_requested;
728 vmstop_requested = RUN_STATE_MAX;
729 qemu_mutex_unlock(&vmstop_lock);
730 return *r < RUN_STATE_MAX;
731 }
732
733 void qemu_system_vmstop_request_prepare(void)
734 {
735 qemu_mutex_lock(&vmstop_lock);
736 }
737
738 void qemu_system_vmstop_request(RunState state)
739 {
740 vmstop_requested = state;
741 qemu_mutex_unlock(&vmstop_lock);
742 qemu_notify_event();
743 }
744
745 void vm_start(void)
746 {
747 RunState requested;
748
749 qemu_vmstop_requested(&requested);
750 if (runstate_is_running() && requested == RUN_STATE_MAX) {
751 return;
752 }
753
754 /* Ensure that a STOP/RESUME pair of events is emitted if a
755 * vmstop request was pending. The BLOCK_IO_ERROR event, for
756 * example, according to documentation is always followed by
757 * the STOP event.
758 */
759 if (runstate_is_running()) {
760 qapi_event_send_stop(&error_abort);
761 } else {
762 cpu_enable_ticks();
763 runstate_set(RUN_STATE_RUNNING);
764 vm_state_notify(1, RUN_STATE_RUNNING);
765 resume_all_vcpus();
766 }
767
768 qapi_event_send_resume(&error_abort);
769 }
770
771
772 /***********************************************************/
773 /* real time host monotonic timer */
774
775 /***********************************************************/
776 /* host time/date access */
777 void qemu_get_timedate(struct tm *tm, int offset)
778 {
779 time_t ti;
780
781 time(&ti);
782 ti += offset;
783 if (rtc_date_offset == -1) {
784 if (rtc_utc)
785 gmtime_r(&ti, tm);
786 else
787 localtime_r(&ti, tm);
788 } else {
789 ti -= rtc_date_offset;
790 gmtime_r(&ti, tm);
791 }
792 }
793
794 int qemu_timedate_diff(struct tm *tm)
795 {
796 time_t seconds;
797
798 if (rtc_date_offset == -1)
799 if (rtc_utc)
800 seconds = mktimegm(tm);
801 else {
802 struct tm tmp = *tm;
803 tmp.tm_isdst = -1; /* use timezone to figure it out */
804 seconds = mktime(&tmp);
805 }
806 else
807 seconds = mktimegm(tm) + rtc_date_offset;
808
809 return seconds - time(NULL);
810 }
811
812 static void configure_rtc_date_offset(const char *startdate, int legacy)
813 {
814 time_t rtc_start_date;
815 struct tm tm;
816
817 if (!strcmp(startdate, "now") && legacy) {
818 rtc_date_offset = -1;
819 } else {
820 if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
821 &tm.tm_year,
822 &tm.tm_mon,
823 &tm.tm_mday,
824 &tm.tm_hour,
825 &tm.tm_min,
826 &tm.tm_sec) == 6) {
827 /* OK */
828 } else if (sscanf(startdate, "%d-%d-%d",
829 &tm.tm_year,
830 &tm.tm_mon,
831 &tm.tm_mday) == 3) {
832 tm.tm_hour = 0;
833 tm.tm_min = 0;
834 tm.tm_sec = 0;
835 } else {
836 goto date_fail;
837 }
838 tm.tm_year -= 1900;
839 tm.tm_mon--;
840 rtc_start_date = mktimegm(&tm);
841 if (rtc_start_date == -1) {
842 date_fail:
843 fprintf(stderr, "Invalid date format. Valid formats are:\n"
844 "'2006-06-17T16:01:21' or '2006-06-17'\n");
845 exit(1);
846 }
847 rtc_date_offset = time(NULL) - rtc_start_date;
848 }
849 }
850
851 static void configure_rtc(QemuOpts *opts)
852 {
853 const char *value;
854
855 value = qemu_opt_get(opts, "base");
856 if (value) {
857 if (!strcmp(value, "utc")) {
858 rtc_utc = 1;
859 } else if (!strcmp(value, "localtime")) {
860 rtc_utc = 0;
861 } else {
862 configure_rtc_date_offset(value, 0);
863 }
864 }
865 value = qemu_opt_get(opts, "clock");
866 if (value) {
867 if (!strcmp(value, "host")) {
868 rtc_clock = QEMU_CLOCK_HOST;
869 } else if (!strcmp(value, "rt")) {
870 rtc_clock = QEMU_CLOCK_REALTIME;
871 } else if (!strcmp(value, "vm")) {
872 rtc_clock = QEMU_CLOCK_VIRTUAL;
873 } else {
874 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
875 exit(1);
876 }
877 }
878 value = qemu_opt_get(opts, "driftfix");
879 if (value) {
880 if (!strcmp(value, "slew")) {
881 static GlobalProperty slew_lost_ticks[] = {
882 {
883 .driver = "mc146818rtc",
884 .property = "lost_tick_policy",
885 .value = "slew",
886 },
887 { /* end of list */ }
888 };
889
890 qdev_prop_register_global_list(slew_lost_ticks);
891 } else if (!strcmp(value, "none")) {
892 /* discard is default */
893 } else {
894 fprintf(stderr, "qemu: invalid option value '%s'\n", value);
895 exit(1);
896 }
897 }
898 }
899
900 /***********************************************************/
901 /* Bluetooth support */
902 static int nb_hcis;
903 static int cur_hci;
904 static struct HCIInfo *hci_table[MAX_NICS];
905
906 struct HCIInfo *qemu_next_hci(void)
907 {
908 if (cur_hci == nb_hcis)
909 return &null_hci;
910
911 return hci_table[cur_hci++];
912 }
913
914 static int bt_hci_parse(const char *str)
915 {
916 struct HCIInfo *hci;
917 bdaddr_t bdaddr;
918
919 if (nb_hcis >= MAX_NICS) {
920 fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
921 return -1;
922 }
923
924 hci = hci_init(str);
925 if (!hci)
926 return -1;
927
928 bdaddr.b[0] = 0x52;
929 bdaddr.b[1] = 0x54;
930 bdaddr.b[2] = 0x00;
931 bdaddr.b[3] = 0x12;
932 bdaddr.b[4] = 0x34;
933 bdaddr.b[5] = 0x56 + nb_hcis;
934 hci->bdaddr_set(hci, bdaddr.b);
935
936 hci_table[nb_hcis++] = hci;
937
938 return 0;
939 }
940
941 static void bt_vhci_add(int vlan_id)
942 {
943 struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
944
945 if (!vlan->slave)
946 fprintf(stderr, "qemu: warning: adding a VHCI to "
947 "an empty scatternet %i\n", vlan_id);
948
949 bt_vhci_init(bt_new_hci(vlan));
950 }
951
952 static struct bt_device_s *bt_device_add(const char *opt)
953 {
954 struct bt_scatternet_s *vlan;
955 int vlan_id = 0;
956 char *endp = strstr(opt, ",vlan=");
957 int len = (endp ? endp - opt : strlen(opt)) + 1;
958 char devname[10];
959
960 pstrcpy(devname, MIN(sizeof(devname), len), opt);
961
962 if (endp) {
963 vlan_id = strtol(endp + 6, &endp, 0);
964 if (*endp) {
965 fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
966 return 0;
967 }
968 }
969
970 vlan = qemu_find_bt_vlan(vlan_id);
971
972 if (!vlan->slave)
973 fprintf(stderr, "qemu: warning: adding a slave device to "
974 "an empty scatternet %i\n", vlan_id);
975
976 if (!strcmp(devname, "keyboard"))
977 return bt_keyboard_init(vlan);
978
979 fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
980 return 0;
981 }
982
983 static int bt_parse(const char *opt)
984 {
985 const char *endp, *p;
986 int vlan;
987
988 if (strstart(opt, "hci", &endp)) {
989 if (!*endp || *endp == ',') {
990 if (*endp)
991 if (!strstart(endp, ",vlan=", 0))
992 opt = endp + 1;
993
994 return bt_hci_parse(opt);
995 }
996 } else if (strstart(opt, "vhci", &endp)) {
997 if (!*endp || *endp == ',') {
998 if (*endp) {
999 if (strstart(endp, ",vlan=", &p)) {
1000 vlan = strtol(p, (char **) &endp, 0);
1001 if (*endp) {
1002 fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
1003 return 1;
1004 }
1005 } else {
1006 fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
1007 return 1;
1008 }
1009 } else
1010 vlan = 0;
1011
1012 bt_vhci_add(vlan);
1013 return 0;
1014 }
1015 } else if (strstart(opt, "device:", &endp))
1016 return !bt_device_add(endp);
1017
1018 fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
1019 return 1;
1020 }
1021
1022 static int parse_sandbox(QemuOpts *opts, void *opaque)
1023 {
1024 /* FIXME: change this to true for 1.3 */
1025 if (qemu_opt_get_bool(opts, "enable", false)) {
1026 #ifdef CONFIG_SECCOMP
1027 if (seccomp_start() < 0) {
1028 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1029 "failed to install seccomp syscall filter in the kernel");
1030 return -1;
1031 }
1032 #else
1033 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1034 "sandboxing request but seccomp is not compiled into this build");
1035 return -1;
1036 #endif
1037 }
1038
1039 return 0;
1040 }
1041
1042 static int parse_name(QemuOpts *opts, void *opaque)
1043 {
1044 const char *proc_name;
1045
1046 if (qemu_opt_get(opts, "debug-threads")) {
1047 qemu_thread_naming(qemu_opt_get_bool(opts, "debug-threads", false));
1048 }
1049 qemu_name = qemu_opt_get(opts, "guest");
1050
1051 proc_name = qemu_opt_get(opts, "process");
1052 if (proc_name) {
1053 os_set_proc_name(proc_name);
1054 }
1055
1056 return 0;
1057 }
1058
1059 bool usb_enabled(bool default_usb)
1060 {
1061 return qemu_opt_get_bool(qemu_get_machine_opts(), "usb",
1062 has_defaults && default_usb);
1063 }
1064
1065 #ifndef _WIN32
1066 static int parse_add_fd(QemuOpts *opts, void *opaque)
1067 {
1068 int fd, dupfd, flags;
1069 int64_t fdset_id;
1070 const char *fd_opaque = NULL;
1071
1072 fd = qemu_opt_get_number(opts, "fd", -1);
1073 fdset_id = qemu_opt_get_number(opts, "set", -1);
1074 fd_opaque = qemu_opt_get(opts, "opaque");
1075
1076 if (fd < 0) {
1077 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1078 "fd option is required and must be non-negative");
1079 return -1;
1080 }
1081
1082 if (fd <= STDERR_FILENO) {
1083 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1084 "fd cannot be a standard I/O stream");
1085 return -1;
1086 }
1087
1088 /*
1089 * All fds inherited across exec() necessarily have FD_CLOEXEC
1090 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1091 */
1092 flags = fcntl(fd, F_GETFD);
1093 if (flags == -1 || (flags & FD_CLOEXEC)) {
1094 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1095 "fd is not valid or already in use");
1096 return -1;
1097 }
1098
1099 if (fdset_id < 0) {
1100 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1101 "set option is required and must be non-negative");
1102 return -1;
1103 }
1104
1105 #ifdef F_DUPFD_CLOEXEC
1106 dupfd = fcntl(fd, F_DUPFD_CLOEXEC, 0);
1107 #else
1108 dupfd = dup(fd);
1109 if (dupfd != -1) {
1110 qemu_set_cloexec(dupfd);
1111 }
1112 #endif
1113 if (dupfd == -1) {
1114 qerror_report(ERROR_CLASS_GENERIC_ERROR,
1115 "Error duplicating fd: %s", strerror(errno));
1116 return -1;
1117 }
1118
1119 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1120 monitor_fdset_add_fd(dupfd, true, fdset_id, fd_opaque ? true : false,
1121 fd_opaque, NULL);
1122
1123 return 0;
1124 }
1125
1126 static int cleanup_add_fd(QemuOpts *opts, void *opaque)
1127 {
1128 int fd;
1129
1130 fd = qemu_opt_get_number(opts, "fd", -1);
1131 close(fd);
1132
1133 return 0;
1134 }
1135 #endif
1136
1137 /***********************************************************/
1138 /* QEMU Block devices */
1139
1140 #define HD_OPTS "media=disk"
1141 #define CDROM_OPTS "media=cdrom"
1142 #define FD_OPTS ""
1143 #define PFLASH_OPTS ""
1144 #define MTD_OPTS ""
1145 #define SD_OPTS ""
1146
1147 static int drive_init_func(QemuOpts *opts, void *opaque)
1148 {
1149 BlockInterfaceType *block_default_type = opaque;
1150
1151 return drive_new(opts, *block_default_type) == NULL;
1152 }
1153
1154 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
1155 {
1156 if (qemu_opt_get(opts, "snapshot") == NULL) {
1157 qemu_opt_set(opts, "snapshot", "on");
1158 }
1159 return 0;
1160 }
1161
1162 static void default_drive(int enable, int snapshot, BlockInterfaceType type,
1163 int index, const char *optstr)
1164 {
1165 QemuOpts *opts;
1166 DriveInfo *dinfo;
1167
1168 if (!enable || drive_get_by_index(type, index)) {
1169 return;
1170 }
1171
1172 opts = drive_add(type, index, NULL, optstr);
1173 if (snapshot) {
1174 drive_enable_snapshot(opts, NULL);
1175 }
1176
1177 dinfo = drive_new(opts, type);
1178 if (!dinfo) {
1179 exit(1);
1180 }
1181 dinfo->is_default = true;
1182
1183 }
1184
1185 void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
1186 {
1187 boot_set_handler = func;
1188 boot_set_opaque = opaque;
1189 }
1190
1191 int qemu_boot_set(const char *boot_order)
1192 {
1193 if (!boot_set_handler) {
1194 return -EINVAL;
1195 }
1196 return boot_set_handler(boot_set_opaque, boot_order);
1197 }
1198
1199 static void validate_bootdevices(const char *devices)
1200 {
1201 /* We just do some generic consistency checks */
1202 const char *p;
1203 int bitmap = 0;
1204
1205 for (p = devices; *p != '\0'; p++) {
1206 /* Allowed boot devices are:
1207 * a-b: floppy disk drives
1208 * c-f: IDE disk drives
1209 * g-m: machine implementation dependent drives
1210 * n-p: network devices
1211 * It's up to each machine implementation to check if the given boot
1212 * devices match the actual hardware implementation and firmware
1213 * features.
1214 */
1215 if (*p < 'a' || *p > 'p') {
1216 fprintf(stderr, "Invalid boot device '%c'\n", *p);
1217 exit(1);
1218 }
1219 if (bitmap & (1 << (*p - 'a'))) {
1220 fprintf(stderr, "Boot device '%c' was given twice\n", *p);
1221 exit(1);
1222 }
1223 bitmap |= 1 << (*p - 'a');
1224 }
1225 }
1226
1227 static void restore_boot_order(void *opaque)
1228 {
1229 char *normal_boot_order = opaque;
1230 static int first = 1;
1231
1232 /* Restore boot order and remove ourselves after the first boot */
1233 if (first) {
1234 first = 0;
1235 return;
1236 }
1237
1238 qemu_boot_set(normal_boot_order);
1239
1240 qemu_unregister_reset(restore_boot_order, normal_boot_order);
1241 g_free(normal_boot_order);
1242 }
1243
1244 static QemuOptsList qemu_smp_opts = {
1245 .name = "smp-opts",
1246 .implied_opt_name = "cpus",
1247 .merge_lists = true,
1248 .head = QTAILQ_HEAD_INITIALIZER(qemu_smp_opts.head),
1249 .desc = {
1250 {
1251 .name = "cpus",
1252 .type = QEMU_OPT_NUMBER,
1253 }, {
1254 .name = "sockets",
1255 .type = QEMU_OPT_NUMBER,
1256 }, {
1257 .name = "cores",
1258 .type = QEMU_OPT_NUMBER,
1259 }, {
1260 .name = "threads",
1261 .type = QEMU_OPT_NUMBER,
1262 }, {
1263 .name = "maxcpus",
1264 .type = QEMU_OPT_NUMBER,
1265 },
1266 { /*End of list */ }
1267 },
1268 };
1269
1270 static void smp_parse(QemuOpts *opts)
1271 {
1272 if (opts) {
1273
1274 unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
1275 unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
1276 unsigned cores = qemu_opt_get_number(opts, "cores", 0);
1277 unsigned threads = qemu_opt_get_number(opts, "threads", 0);
1278
1279 /* compute missing values, prefer sockets over cores over threads */
1280 if (cpus == 0 || sockets == 0) {
1281 sockets = sockets > 0 ? sockets : 1;
1282 cores = cores > 0 ? cores : 1;
1283 threads = threads > 0 ? threads : 1;
1284 if (cpus == 0) {
1285 cpus = cores * threads * sockets;
1286 }
1287 } else {
1288 if (cores == 0) {
1289 threads = threads > 0 ? threads : 1;
1290 cores = cpus / (sockets * threads);
1291 } else {
1292 threads = cpus / (cores * sockets);
1293 }
1294 }
1295
1296 max_cpus = qemu_opt_get_number(opts, "maxcpus", 0);
1297
1298 smp_cpus = cpus;
1299 smp_cores = cores > 0 ? cores : 1;
1300 smp_threads = threads > 0 ? threads : 1;
1301
1302 }
1303
1304 if (max_cpus == 0) {
1305 max_cpus = smp_cpus;
1306 }
1307
1308 if (max_cpus > MAX_CPUMASK_BITS) {
1309 fprintf(stderr, "Unsupported number of maxcpus\n");
1310 exit(1);
1311 }
1312 if (max_cpus < smp_cpus) {
1313 fprintf(stderr, "maxcpus must be equal to or greater than smp\n");
1314 exit(1);
1315 }
1316
1317 }
1318
1319 static void realtime_init(void)
1320 {
1321 if (enable_mlock) {
1322 if (os_mlock() < 0) {
1323 fprintf(stderr, "qemu: locking memory failed\n");
1324 exit(1);
1325 }
1326 }
1327 }
1328
1329
1330 static void configure_msg(QemuOpts *opts)
1331 {
1332 enable_timestamp_msg = qemu_opt_get_bool(opts, "timestamp", true);
1333 }
1334
1335 /***********************************************************/
1336 /* USB devices */
1337
1338 static int usb_device_add(const char *devname)
1339 {
1340 USBDevice *dev = NULL;
1341 #ifndef CONFIG_LINUX
1342 const char *p;
1343 #endif
1344
1345 if (!usb_enabled(false)) {
1346 return -1;
1347 }
1348
1349 /* drivers with .usbdevice_name entry in USBDeviceInfo */
1350 dev = usbdevice_create(devname);
1351 if (dev)
1352 goto done;
1353
1354 /* the other ones */
1355 #ifndef CONFIG_LINUX
1356 /* only the linux version is qdev-ified, usb-bsd still needs this */
1357 if (strstart(devname, "host:", &p)) {
1358 dev = usb_host_device_open(usb_bus_find(-1), p);
1359 }
1360 #endif
1361 if (!dev)
1362 return -1;
1363
1364 done:
1365 return 0;
1366 }
1367
1368 static int usb_device_del(const char *devname)
1369 {
1370 int bus_num, addr;
1371 const char *p;
1372
1373 if (strstart(devname, "host:", &p)) {
1374 return -1;
1375 }
1376
1377 if (!usb_enabled(false)) {
1378 return -1;
1379 }
1380
1381 p = strchr(devname, '.');
1382 if (!p)
1383 return -1;
1384 bus_num = strtoul(devname, NULL, 0);
1385 addr = strtoul(p + 1, NULL, 0);
1386
1387 return usb_device_delete_addr(bus_num, addr);
1388 }
1389
1390 static int usb_parse(const char *cmdline)
1391 {
1392 int r;
1393 r = usb_device_add(cmdline);
1394 if (r < 0) {
1395 fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1396 }
1397 return r;
1398 }
1399
1400 void do_usb_add(Monitor *mon, const QDict *qdict)
1401 {
1402 const char *devname = qdict_get_str(qdict, "devname");
1403 if (usb_device_add(devname) < 0) {
1404 error_report("could not add USB device '%s'", devname);
1405 }
1406 }
1407
1408 void do_usb_del(Monitor *mon, const QDict *qdict)
1409 {
1410 const char *devname = qdict_get_str(qdict, "devname");
1411 if (usb_device_del(devname) < 0) {
1412 error_report("could not delete USB device '%s'", devname);
1413 }
1414 }
1415
1416 /***********************************************************/
1417 /* machine registration */
1418
1419 MachineState *current_machine;
1420
1421 static void machine_class_init(ObjectClass *oc, void *data)
1422 {
1423 MachineClass *mc = MACHINE_CLASS(oc);
1424 QEMUMachine *qm = data;
1425
1426 mc->family = qm->family;
1427 mc->name = qm->name;
1428 mc->alias = qm->alias;
1429 mc->desc = qm->desc;
1430 mc->init = qm->init;
1431 mc->reset = qm->reset;
1432 mc->hot_add_cpu = qm->hot_add_cpu;
1433 mc->kvm_type = qm->kvm_type;
1434 mc->block_default_type = qm->block_default_type;
1435 mc->units_per_default_bus = qm->units_per_default_bus;
1436 mc->max_cpus = qm->max_cpus;
1437 mc->no_serial = qm->no_serial;
1438 mc->no_parallel = qm->no_parallel;
1439 mc->use_virtcon = qm->use_virtcon;
1440 mc->use_sclp = qm->use_sclp;
1441 mc->no_floppy = qm->no_floppy;
1442 mc->no_cdrom = qm->no_cdrom;
1443 mc->no_sdcard = qm->no_sdcard;
1444 mc->has_dynamic_sysbus = qm->has_dynamic_sysbus;
1445 mc->is_default = qm->is_default;
1446 mc->default_machine_opts = qm->default_machine_opts;
1447 mc->default_boot_order = qm->default_boot_order;
1448 mc->default_display = qm->default_display;
1449 mc->compat_props = qm->compat_props;
1450 mc->hw_version = qm->hw_version;
1451 }
1452
1453 int qemu_register_machine(QEMUMachine *m)
1454 {
1455 char *name = g_strconcat(m->name, TYPE_MACHINE_SUFFIX, NULL);
1456 TypeInfo ti = {
1457 .name = name,
1458 .parent = TYPE_MACHINE,
1459 .class_init = machine_class_init,
1460 .class_data = (void *)m,
1461 };
1462
1463 type_register(&ti);
1464 g_free(name);
1465
1466 return 0;
1467 }
1468
1469 static MachineClass *find_machine(const char *name)
1470 {
1471 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1472 MachineClass *mc = NULL;
1473
1474 for (el = machines; el; el = el->next) {
1475 MachineClass *temp = el->data;
1476
1477 if (!strcmp(temp->name, name)) {
1478 mc = temp;
1479 break;
1480 }
1481 if (temp->alias &&
1482 !strcmp(temp->alias, name)) {
1483 mc = temp;
1484 break;
1485 }
1486 }
1487
1488 g_slist_free(machines);
1489 return mc;
1490 }
1491
1492 MachineClass *find_default_machine(void)
1493 {
1494 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1495 MachineClass *mc = NULL;
1496
1497 for (el = machines; el; el = el->next) {
1498 MachineClass *temp = el->data;
1499
1500 if (temp->is_default) {
1501 mc = temp;
1502 break;
1503 }
1504 }
1505
1506 g_slist_free(machines);
1507 return mc;
1508 }
1509
1510 MachineInfoList *qmp_query_machines(Error **errp)
1511 {
1512 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
1513 MachineInfoList *mach_list = NULL;
1514
1515 for (el = machines; el; el = el->next) {
1516 MachineClass *mc = el->data;
1517 MachineInfoList *entry;
1518 MachineInfo *info;
1519
1520 info = g_malloc0(sizeof(*info));
1521 if (mc->is_default) {
1522 info->has_is_default = true;
1523 info->is_default = true;
1524 }
1525
1526 if (mc->alias) {
1527 info->has_alias = true;
1528 info->alias = g_strdup(mc->alias);
1529 }
1530
1531 info->name = g_strdup(mc->name);
1532 info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
1533
1534 entry = g_malloc0(sizeof(*entry));
1535 entry->value = info;
1536 entry->next = mach_list;
1537 mach_list = entry;
1538 }
1539
1540 g_slist_free(machines);
1541 return mach_list;
1542 }
1543
1544 /***********************************************************/
1545 /* main execution loop */
1546
1547 struct vm_change_state_entry {
1548 VMChangeStateHandler *cb;
1549 void *opaque;
1550 QLIST_ENTRY (vm_change_state_entry) entries;
1551 };
1552
1553 static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1554
1555 VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1556 void *opaque)
1557 {
1558 VMChangeStateEntry *e;
1559
1560 e = g_malloc0(sizeof (*e));
1561
1562 e->cb = cb;
1563 e->opaque = opaque;
1564 QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1565 return e;
1566 }
1567
1568 void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1569 {
1570 QLIST_REMOVE (e, entries);
1571 g_free (e);
1572 }
1573
1574 void vm_state_notify(int running, RunState state)
1575 {
1576 VMChangeStateEntry *e, *next;
1577
1578 trace_vm_state_notify(running, state);
1579
1580 QLIST_FOREACH_SAFE(e, &vm_change_state_head, entries, next) {
1581 e->cb(e->opaque, running, state);
1582 }
1583 }
1584
1585 /* reset/shutdown handler */
1586
1587 typedef struct QEMUResetEntry {
1588 QTAILQ_ENTRY(QEMUResetEntry) entry;
1589 QEMUResetHandler *func;
1590 void *opaque;
1591 } QEMUResetEntry;
1592
1593 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1594 QTAILQ_HEAD_INITIALIZER(reset_handlers);
1595 static int reset_requested;
1596 static int shutdown_requested, shutdown_signal = -1;
1597 static pid_t shutdown_pid;
1598 static int powerdown_requested;
1599 static int debug_requested;
1600 static int suspend_requested;
1601 static WakeupReason wakeup_reason;
1602 static NotifierList powerdown_notifiers =
1603 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers);
1604 static NotifierList suspend_notifiers =
1605 NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1606 static NotifierList wakeup_notifiers =
1607 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1608 static uint32_t wakeup_reason_mask = ~(1 << QEMU_WAKEUP_REASON_NONE);
1609
1610 int qemu_shutdown_requested_get(void)
1611 {
1612 return shutdown_requested;
1613 }
1614
1615 int qemu_reset_requested_get(void)
1616 {
1617 return reset_requested;
1618 }
1619
1620 static int qemu_shutdown_requested(void)
1621 {
1622 return atomic_xchg(&shutdown_requested, 0);
1623 }
1624
1625 static void qemu_kill_report(void)
1626 {
1627 if (!qtest_driver() && shutdown_signal != -1) {
1628 fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1629 if (shutdown_pid == 0) {
1630 /* This happens for eg ^C at the terminal, so it's worth
1631 * avoiding printing an odd message in that case.
1632 */
1633 fputc('\n', stderr);
1634 } else {
1635 fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1636 }
1637 shutdown_signal = -1;
1638 }
1639 }
1640
1641 static int qemu_reset_requested(void)
1642 {
1643 int r = reset_requested;
1644 reset_requested = 0;
1645 return r;
1646 }
1647
1648 static int qemu_suspend_requested(void)
1649 {
1650 int r = suspend_requested;
1651 suspend_requested = 0;
1652 return r;
1653 }
1654
1655 static WakeupReason qemu_wakeup_requested(void)
1656 {
1657 return wakeup_reason;
1658 }
1659
1660 static int qemu_powerdown_requested(void)
1661 {
1662 int r = powerdown_requested;
1663 powerdown_requested = 0;
1664 return r;
1665 }
1666
1667 static int qemu_debug_requested(void)
1668 {
1669 int r = debug_requested;
1670 debug_requested = 0;
1671 return r;
1672 }
1673
1674 void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1675 {
1676 QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1677
1678 re->func = func;
1679 re->opaque = opaque;
1680 QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1681 }
1682
1683 void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1684 {
1685 QEMUResetEntry *re;
1686
1687 QTAILQ_FOREACH(re, &reset_handlers, entry) {
1688 if (re->func == func && re->opaque == opaque) {
1689 QTAILQ_REMOVE(&reset_handlers, re, entry);
1690 g_free(re);
1691 return;
1692 }
1693 }
1694 }
1695
1696 void qemu_devices_reset(void)
1697 {
1698 QEMUResetEntry *re, *nre;
1699
1700 /* reset all devices */
1701 QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1702 re->func(re->opaque);
1703 }
1704 }
1705
1706 void qemu_system_reset(bool report)
1707 {
1708 MachineClass *mc;
1709
1710 mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
1711
1712 if (mc && mc->reset) {
1713 mc->reset();
1714 } else {
1715 qemu_devices_reset();
1716 }
1717 if (report) {
1718 qapi_event_send_reset(&error_abort);
1719 }
1720 cpu_synchronize_all_post_reset();
1721 }
1722
1723 void qemu_system_reset_request(void)
1724 {
1725 if (no_reboot) {
1726 shutdown_requested = 1;
1727 } else {
1728 reset_requested = 1;
1729 }
1730 cpu_stop_current();
1731 qemu_notify_event();
1732 }
1733
1734 static void qemu_system_suspend(void)
1735 {
1736 pause_all_vcpus();
1737 notifier_list_notify(&suspend_notifiers, NULL);
1738 runstate_set(RUN_STATE_SUSPENDED);
1739 qapi_event_send_suspend(&error_abort);
1740 }
1741
1742 void qemu_system_suspend_request(void)
1743 {
1744 if (runstate_check(RUN_STATE_SUSPENDED)) {
1745 return;
1746 }
1747 suspend_requested = 1;
1748 cpu_stop_current();
1749 qemu_notify_event();
1750 }
1751
1752 void qemu_register_suspend_notifier(Notifier *notifier)
1753 {
1754 notifier_list_add(&suspend_notifiers, notifier);
1755 }
1756
1757 void qemu_system_wakeup_request(WakeupReason reason)
1758 {
1759 trace_system_wakeup_request(reason);
1760
1761 if (!runstate_check(RUN_STATE_SUSPENDED)) {
1762 return;
1763 }
1764 if (!(wakeup_reason_mask & (1 << reason))) {
1765 return;
1766 }
1767 runstate_set(RUN_STATE_RUNNING);
1768 wakeup_reason = reason;
1769 qemu_notify_event();
1770 }
1771
1772 void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1773 {
1774 if (enabled) {
1775 wakeup_reason_mask |= (1 << reason);
1776 } else {
1777 wakeup_reason_mask &= ~(1 << reason);
1778 }
1779 }
1780
1781 void qemu_register_wakeup_notifier(Notifier *notifier)
1782 {
1783 notifier_list_add(&wakeup_notifiers, notifier);
1784 }
1785
1786 void qemu_system_killed(int signal, pid_t pid)
1787 {
1788 shutdown_signal = signal;
1789 shutdown_pid = pid;
1790 no_shutdown = 0;
1791 qemu_system_shutdown_request();
1792 }
1793
1794 void qemu_system_shutdown_request(void)
1795 {
1796 trace_qemu_system_shutdown_request();
1797 shutdown_requested = 1;
1798 qemu_notify_event();
1799 }
1800
1801 static void qemu_system_powerdown(void)
1802 {
1803 qapi_event_send_powerdown(&error_abort);
1804 notifier_list_notify(&powerdown_notifiers, NULL);
1805 }
1806
1807 void qemu_system_powerdown_request(void)
1808 {
1809 trace_qemu_system_powerdown_request();
1810 powerdown_requested = 1;
1811 qemu_notify_event();
1812 }
1813
1814 void qemu_register_powerdown_notifier(Notifier *notifier)
1815 {
1816 notifier_list_add(&powerdown_notifiers, notifier);
1817 }
1818
1819 void qemu_system_debug_request(void)
1820 {
1821 debug_requested = 1;
1822 qemu_notify_event();
1823 }
1824
1825 static bool main_loop_should_exit(void)
1826 {
1827 RunState r;
1828 if (qemu_debug_requested()) {
1829 vm_stop(RUN_STATE_DEBUG);
1830 }
1831 if (qemu_suspend_requested()) {
1832 qemu_system_suspend();
1833 }
1834 if (qemu_shutdown_requested()) {
1835 qemu_kill_report();
1836 qapi_event_send_shutdown(&error_abort);
1837 if (no_shutdown) {
1838 vm_stop(RUN_STATE_SHUTDOWN);
1839 } else {
1840 return true;
1841 }
1842 }
1843 if (qemu_reset_requested()) {
1844 pause_all_vcpus();
1845 cpu_synchronize_all_states();
1846 qemu_system_reset(VMRESET_REPORT);
1847 resume_all_vcpus();
1848 if (runstate_needs_reset()) {
1849 runstate_set(RUN_STATE_PAUSED);
1850 }
1851 }
1852 if (qemu_wakeup_requested()) {
1853 pause_all_vcpus();
1854 cpu_synchronize_all_states();
1855 qemu_system_reset(VMRESET_SILENT);
1856 notifier_list_notify(&wakeup_notifiers, &wakeup_reason);
1857 wakeup_reason = QEMU_WAKEUP_REASON_NONE;
1858 resume_all_vcpus();
1859 qapi_event_send_wakeup(&error_abort);
1860 }
1861 if (qemu_powerdown_requested()) {
1862 qemu_system_powerdown();
1863 }
1864 if (qemu_vmstop_requested(&r)) {
1865 vm_stop(r);
1866 }
1867 return false;
1868 }
1869
1870 static void main_loop(void)
1871 {
1872 bool nonblocking;
1873 int last_io = 0;
1874 #ifdef CONFIG_PROFILER
1875 int64_t ti;
1876 #endif
1877 do {
1878 nonblocking = !kvm_enabled() && !xen_enabled() && last_io > 0;
1879 #ifdef CONFIG_PROFILER
1880 ti = profile_getclock();
1881 #endif
1882 last_io = main_loop_wait(nonblocking);
1883 #ifdef CONFIG_PROFILER
1884 dev_time += profile_getclock() - ti;
1885 #endif
1886 } while (!main_loop_should_exit());
1887 }
1888
1889 static void version(void)
1890 {
1891 printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1892 }
1893
1894 static void help(int exitcode)
1895 {
1896 version();
1897 printf("usage: %s [options] [disk_image]\n\n"
1898 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1899 error_get_progname());
1900
1901 #define QEMU_OPTIONS_GENERATE_HELP
1902 #include "qemu-options-wrapper.h"
1903
1904 printf("\nDuring emulation, the following keys are useful:\n"
1905 "ctrl-alt-f toggle full screen\n"
1906 "ctrl-alt-n switch to virtual console 'n'\n"
1907 "ctrl-alt toggle mouse and keyboard grab\n"
1908 "\n"
1909 "When using -nographic, press 'ctrl-a h' to get some help.\n");
1910
1911 exit(exitcode);
1912 }
1913
1914 #define HAS_ARG 0x0001
1915
1916 typedef struct QEMUOption {
1917 const char *name;
1918 int flags;
1919 int index;
1920 uint32_t arch_mask;
1921 } QEMUOption;
1922
1923 static const QEMUOption qemu_options[] = {
1924 { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1925 #define QEMU_OPTIONS_GENERATE_OPTIONS
1926 #include "qemu-options-wrapper.h"
1927 { NULL },
1928 };
1929
1930 static bool vga_available(void)
1931 {
1932 return object_class_by_name("VGA") || object_class_by_name("isa-vga");
1933 }
1934
1935 static bool cirrus_vga_available(void)
1936 {
1937 return object_class_by_name("cirrus-vga")
1938 || object_class_by_name("isa-cirrus-vga");
1939 }
1940
1941 static bool vmware_vga_available(void)
1942 {
1943 return object_class_by_name("vmware-svga");
1944 }
1945
1946 static bool qxl_vga_available(void)
1947 {
1948 return object_class_by_name("qxl-vga");
1949 }
1950
1951 static bool tcx_vga_available(void)
1952 {
1953 return object_class_by_name("SUNW,tcx");
1954 }
1955
1956 static bool cg3_vga_available(void)
1957 {
1958 return object_class_by_name("cgthree");
1959 }
1960
1961 static void select_vgahw (const char *p)
1962 {
1963 const char *opts;
1964
1965 assert(vga_interface_type == VGA_NONE);
1966 if (strstart(p, "std", &opts)) {
1967 if (vga_available()) {
1968 vga_interface_type = VGA_STD;
1969 } else {
1970 fprintf(stderr, "Error: standard VGA not available\n");
1971 exit(0);
1972 }
1973 } else if (strstart(p, "cirrus", &opts)) {
1974 if (cirrus_vga_available()) {
1975 vga_interface_type = VGA_CIRRUS;
1976 } else {
1977 fprintf(stderr, "Error: Cirrus VGA not available\n");
1978 exit(0);
1979 }
1980 } else if (strstart(p, "vmware", &opts)) {
1981 if (vmware_vga_available()) {
1982 vga_interface_type = VGA_VMWARE;
1983 } else {
1984 fprintf(stderr, "Error: VMWare SVGA not available\n");
1985 exit(0);
1986 }
1987 } else if (strstart(p, "xenfb", &opts)) {
1988 vga_interface_type = VGA_XENFB;
1989 } else if (strstart(p, "qxl", &opts)) {
1990 if (qxl_vga_available()) {
1991 vga_interface_type = VGA_QXL;
1992 } else {
1993 fprintf(stderr, "Error: QXL VGA not available\n");
1994 exit(0);
1995 }
1996 } else if (strstart(p, "tcx", &opts)) {
1997 if (tcx_vga_available()) {
1998 vga_interface_type = VGA_TCX;
1999 } else {
2000 fprintf(stderr, "Error: TCX framebuffer not available\n");
2001 exit(0);
2002 }
2003 } else if (strstart(p, "cg3", &opts)) {
2004 if (cg3_vga_available()) {
2005 vga_interface_type = VGA_CG3;
2006 } else {
2007 fprintf(stderr, "Error: CG3 framebuffer not available\n");
2008 exit(0);
2009 }
2010 } else if (!strstart(p, "none", &opts)) {
2011 invalid_vga:
2012 fprintf(stderr, "Unknown vga type: %s\n", p);
2013 exit(1);
2014 }
2015 while (*opts) {
2016 const char *nextopt;
2017
2018 if (strstart(opts, ",retrace=", &nextopt)) {
2019 opts = nextopt;
2020 if (strstart(opts, "dumb", &nextopt))
2021 vga_retrace_method = VGA_RETRACE_DUMB;
2022 else if (strstart(opts, "precise", &nextopt))
2023 vga_retrace_method = VGA_RETRACE_PRECISE;
2024 else goto invalid_vga;
2025 } else goto invalid_vga;
2026 opts = nextopt;
2027 }
2028 }
2029
2030 static DisplayType select_display(const char *p)
2031 {
2032 const char *opts;
2033 DisplayType display = DT_DEFAULT;
2034
2035 if (strstart(p, "sdl", &opts)) {
2036 #ifdef CONFIG_SDL
2037 display = DT_SDL;
2038 while (*opts) {
2039 const char *nextopt;
2040
2041 if (strstart(opts, ",frame=", &nextopt)) {
2042 opts = nextopt;
2043 if (strstart(opts, "on", &nextopt)) {
2044 no_frame = 0;
2045 } else if (strstart(opts, "off", &nextopt)) {
2046 no_frame = 1;
2047 } else {
2048 goto invalid_sdl_args;
2049 }
2050 } else if (strstart(opts, ",alt_grab=", &nextopt)) {
2051 opts = nextopt;
2052 if (strstart(opts, "on", &nextopt)) {
2053 alt_grab = 1;
2054 } else if (strstart(opts, "off", &nextopt)) {
2055 alt_grab = 0;
2056 } else {
2057 goto invalid_sdl_args;
2058 }
2059 } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
2060 opts = nextopt;
2061 if (strstart(opts, "on", &nextopt)) {
2062 ctrl_grab = 1;
2063 } else if (strstart(opts, "off", &nextopt)) {
2064 ctrl_grab = 0;
2065 } else {
2066 goto invalid_sdl_args;
2067 }
2068 } else if (strstart(opts, ",window_close=", &nextopt)) {
2069 opts = nextopt;
2070 if (strstart(opts, "on", &nextopt)) {
2071 no_quit = 0;
2072 } else if (strstart(opts, "off", &nextopt)) {
2073 no_quit = 1;
2074 } else {
2075 goto invalid_sdl_args;
2076 }
2077 } else {
2078 invalid_sdl_args:
2079 fprintf(stderr, "Invalid SDL option string: %s\n", p);
2080 exit(1);
2081 }
2082 opts = nextopt;
2083 }
2084 #else
2085 fprintf(stderr, "SDL support is disabled\n");
2086 exit(1);
2087 #endif
2088 } else if (strstart(p, "vnc", &opts)) {
2089 #ifdef CONFIG_VNC
2090 display_remote++;
2091
2092 if (*opts) {
2093 const char *nextopt;
2094
2095 if (strstart(opts, "=", &nextopt)) {
2096 vnc_display = nextopt;
2097 }
2098 }
2099 if (!vnc_display) {
2100 fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
2101 exit(1);
2102 }
2103 #else
2104 fprintf(stderr, "VNC support is disabled\n");
2105 exit(1);
2106 #endif
2107 } else if (strstart(p, "curses", &opts)) {
2108 #ifdef CONFIG_CURSES
2109 display = DT_CURSES;
2110 #else
2111 fprintf(stderr, "Curses support is disabled\n");
2112 exit(1);
2113 #endif
2114 } else if (strstart(p, "gtk", &opts)) {
2115 #ifdef CONFIG_GTK
2116 display = DT_GTK;
2117 while (*opts) {
2118 const char *nextopt;
2119
2120 if (strstart(opts, ",grab_on_hover=", &nextopt)) {
2121 opts = nextopt;
2122 if (strstart(opts, "on", &nextopt)) {
2123 grab_on_hover = true;
2124 } else if (strstart(opts, "off", &nextopt)) {
2125 grab_on_hover = false;
2126 } else {
2127 goto invalid_gtk_args;
2128 }
2129 } else {
2130 invalid_gtk_args:
2131 fprintf(stderr, "Invalid GTK option string: %s\n", p);
2132 exit(1);
2133 }
2134 opts = nextopt;
2135 }
2136 #else
2137 fprintf(stderr, "GTK support is disabled\n");
2138 exit(1);
2139 #endif
2140 } else if (strstart(p, "none", &opts)) {
2141 display = DT_NONE;
2142 } else {
2143 fprintf(stderr, "Unknown display type: %s\n", p);
2144 exit(1);
2145 }
2146
2147 return display;
2148 }
2149
2150 static int balloon_parse(const char *arg)
2151 {
2152 QemuOpts *opts;
2153
2154 if (strcmp(arg, "none") == 0) {
2155 return 0;
2156 }
2157
2158 if (!strncmp(arg, "virtio", 6)) {
2159 if (arg[6] == ',') {
2160 /* have params -> parse them */
2161 opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
2162 if (!opts)
2163 return -1;
2164 } else {
2165 /* create empty opts */
2166 opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
2167 &error_abort);
2168 }
2169 qemu_opt_set(opts, "driver", "virtio-balloon");
2170 return 0;
2171 }
2172
2173 return -1;
2174 }
2175
2176 char *qemu_find_file(int type, const char *name)
2177 {
2178 int i;
2179 const char *subdir;
2180 char *buf;
2181
2182 /* Try the name as a straight path first */
2183 if (access(name, R_OK) == 0) {
2184 trace_load_file(name, name);
2185 return g_strdup(name);
2186 }
2187
2188 switch (type) {
2189 case QEMU_FILE_TYPE_BIOS:
2190 subdir = "";
2191 break;
2192 case QEMU_FILE_TYPE_KEYMAP:
2193 subdir = "keymaps/";
2194 break;
2195 default:
2196 abort();
2197 }
2198
2199 for (i = 0; i < data_dir_idx; i++) {
2200 buf = g_strdup_printf("%s/%s%s", data_dir[i], subdir, name);
2201 if (access(buf, R_OK) == 0) {
2202 trace_load_file(name, buf);
2203 return buf;
2204 }
2205 g_free(buf);
2206 }
2207 return NULL;
2208 }
2209
2210 static int device_help_func(QemuOpts *opts, void *opaque)
2211 {
2212 return qdev_device_help(opts);
2213 }
2214
2215 static int device_init_func(QemuOpts *opts, void *opaque)
2216 {
2217 DeviceState *dev;
2218
2219 dev = qdev_device_add(opts);
2220 if (!dev)
2221 return -1;
2222 object_unref(OBJECT(dev));
2223 return 0;
2224 }
2225
2226 static int chardev_init_func(QemuOpts *opts, void *opaque)
2227 {
2228 Error *local_err = NULL;
2229
2230 qemu_chr_new_from_opts(opts, NULL, &local_err);
2231 if (local_err) {
2232 error_report("%s", error_get_pretty(local_err));
2233 error_free(local_err);
2234 return -1;
2235 }
2236 return 0;
2237 }
2238
2239 #ifdef CONFIG_VIRTFS
2240 static int fsdev_init_func(QemuOpts *opts, void *opaque)
2241 {
2242 int ret;
2243 ret = qemu_fsdev_add(opts);
2244
2245 return ret;
2246 }
2247 #endif
2248
2249 static int mon_init_func(QemuOpts *opts, void *opaque)
2250 {
2251 CharDriverState *chr;
2252 const char *chardev;
2253 const char *mode;
2254 int flags;
2255
2256 mode = qemu_opt_get(opts, "mode");
2257 if (mode == NULL) {
2258 mode = "readline";
2259 }
2260 if (strcmp(mode, "readline") == 0) {
2261 flags = MONITOR_USE_READLINE;
2262 } else if (strcmp(mode, "control") == 0) {
2263 flags = MONITOR_USE_CONTROL;
2264 } else {
2265 fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
2266 exit(1);
2267 }
2268
2269 if (qemu_opt_get_bool(opts, "pretty", 0))
2270 flags |= MONITOR_USE_PRETTY;
2271
2272 if (qemu_opt_get_bool(opts, "default", 0))
2273 flags |= MONITOR_IS_DEFAULT;
2274
2275 chardev = qemu_opt_get(opts, "chardev");
2276 chr = qemu_chr_find(chardev);
2277 if (chr == NULL) {
2278 fprintf(stderr, "chardev \"%s\" not found\n", chardev);
2279 exit(1);
2280 }
2281
2282 qemu_chr_fe_claim_no_fail(chr);
2283 monitor_init(chr, flags);
2284 return 0;
2285 }
2286
2287 static void monitor_parse(const char *optarg, const char *mode)
2288 {
2289 static int monitor_device_index = 0;
2290 QemuOpts *opts;
2291 const char *p;
2292 char label[32];
2293 int def = 0;
2294
2295 if (strstart(optarg, "chardev:", &p)) {
2296 snprintf(label, sizeof(label), "%s", p);
2297 } else {
2298 snprintf(label, sizeof(label), "compat_monitor%d",
2299 monitor_device_index);
2300 if (monitor_device_index == 0) {
2301 def = 1;
2302 }
2303 opts = qemu_chr_parse_compat(label, optarg);
2304 if (!opts) {
2305 fprintf(stderr, "parse error: %s\n", optarg);
2306 exit(1);
2307 }
2308 }
2309
2310 opts = qemu_opts_create(qemu_find_opts("mon"), label, 1, NULL);
2311 if (!opts) {
2312 fprintf(stderr, "duplicate chardev: %s\n", label);
2313 exit(1);
2314 }
2315 qemu_opt_set(opts, "mode", mode);
2316 qemu_opt_set(opts, "chardev", label);
2317 if (def)
2318 qemu_opt_set(opts, "default", "on");
2319 monitor_device_index++;
2320 }
2321
2322 struct device_config {
2323 enum {
2324 DEV_USB, /* -usbdevice */
2325 DEV_BT, /* -bt */
2326 DEV_SERIAL, /* -serial */
2327 DEV_PARALLEL, /* -parallel */
2328 DEV_VIRTCON, /* -virtioconsole */
2329 DEV_DEBUGCON, /* -debugcon */
2330 DEV_GDB, /* -gdb, -s */
2331 DEV_SCLP, /* s390 sclp */
2332 } type;
2333 const char *cmdline;
2334 Location loc;
2335 QTAILQ_ENTRY(device_config) next;
2336 };
2337
2338 static QTAILQ_HEAD(, device_config) device_configs =
2339 QTAILQ_HEAD_INITIALIZER(device_configs);
2340
2341 static void add_device_config(int type, const char *cmdline)
2342 {
2343 struct device_config *conf;
2344
2345 conf = g_malloc0(sizeof(*conf));
2346 conf->type = type;
2347 conf->cmdline = cmdline;
2348 loc_save(&conf->loc);
2349 QTAILQ_INSERT_TAIL(&device_configs, conf, next);
2350 }
2351
2352 static int foreach_device_config(int type, int (*func)(const char *cmdline))
2353 {
2354 struct device_config *conf;
2355 int rc;
2356
2357 QTAILQ_FOREACH(conf, &device_configs, next) {
2358 if (conf->type != type)
2359 continue;
2360 loc_push_restore(&conf->loc);
2361 rc = func(conf->cmdline);
2362 loc_pop(&conf->loc);
2363 if (rc) {
2364 return rc;
2365 }
2366 }
2367 return 0;
2368 }
2369
2370 static int serial_parse(const char *devname)
2371 {
2372 static int index = 0;
2373 char label[32];
2374
2375 if (strcmp(devname, "none") == 0)
2376 return 0;
2377 if (index == MAX_SERIAL_PORTS) {
2378 fprintf(stderr, "qemu: too many serial ports\n");
2379 exit(1);
2380 }
2381 snprintf(label, sizeof(label), "serial%d", index);
2382 serial_hds[index] = qemu_chr_new(label, devname, NULL);
2383 if (!serial_hds[index]) {
2384 fprintf(stderr, "qemu: could not connect serial device"
2385 " to character backend '%s'\n", devname);
2386 return -1;
2387 }
2388 index++;
2389 return 0;
2390 }
2391
2392 static int parallel_parse(const char *devname)
2393 {
2394 static int index = 0;
2395 char label[32];
2396
2397 if (strcmp(devname, "none") == 0)
2398 return 0;
2399 if (index == MAX_PARALLEL_PORTS) {
2400 fprintf(stderr, "qemu: too many parallel ports\n");
2401 exit(1);
2402 }
2403 snprintf(label, sizeof(label), "parallel%d", index);
2404 parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2405 if (!parallel_hds[index]) {
2406 fprintf(stderr, "qemu: could not connect parallel device"
2407 " to character backend '%s'\n", devname);
2408 return -1;
2409 }
2410 index++;
2411 return 0;
2412 }
2413
2414 static int virtcon_parse(const char *devname)
2415 {
2416 QemuOptsList *device = qemu_find_opts("device");
2417 static int index = 0;
2418 char label[32];
2419 QemuOpts *bus_opts, *dev_opts;
2420
2421 if (strcmp(devname, "none") == 0)
2422 return 0;
2423 if (index == MAX_VIRTIO_CONSOLES) {
2424 fprintf(stderr, "qemu: too many virtio consoles\n");
2425 exit(1);
2426 }
2427
2428 bus_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2429 if (arch_type == QEMU_ARCH_S390X) {
2430 qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2431 } else {
2432 qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2433 }
2434
2435 dev_opts = qemu_opts_create(device, NULL, 0, &error_abort);
2436 qemu_opt_set(dev_opts, "driver", "virtconsole");
2437
2438 snprintf(label, sizeof(label), "virtcon%d", index);
2439 virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2440 if (!virtcon_hds[index]) {
2441 fprintf(stderr, "qemu: could not connect virtio console"
2442 " to character backend '%s'\n", devname);
2443 return -1;
2444 }
2445 qemu_opt_set(dev_opts, "chardev", label);
2446
2447 index++;
2448 return 0;
2449 }
2450
2451 static int sclp_parse(const char *devname)
2452 {
2453 QemuOptsList *device = qemu_find_opts("device");
2454 static int index = 0;
2455 char label[32];
2456 QemuOpts *dev_opts;
2457
2458 if (strcmp(devname, "none") == 0) {
2459 return 0;
2460 }
2461 if (index == MAX_SCLP_CONSOLES) {
2462 fprintf(stderr, "qemu: too many sclp consoles\n");
2463 exit(1);
2464 }
2465
2466 assert(arch_type == QEMU_ARCH_S390X);
2467
2468 dev_opts = qemu_opts_create(device, NULL, 0, NULL);
2469 qemu_opt_set(dev_opts, "driver", "sclpconsole");
2470
2471 snprintf(label, sizeof(label), "sclpcon%d", index);
2472 sclp_hds[index] = qemu_chr_new(label, devname, NULL);
2473 if (!sclp_hds[index]) {
2474 fprintf(stderr, "qemu: could not connect sclp console"
2475 " to character backend '%s'\n", devname);
2476 return -1;
2477 }
2478 qemu_opt_set(dev_opts, "chardev", label);
2479
2480 index++;
2481 return 0;
2482 }
2483
2484 static int debugcon_parse(const char *devname)
2485 {
2486 QemuOpts *opts;
2487
2488 if (!qemu_chr_new("debugcon", devname, NULL)) {
2489 exit(1);
2490 }
2491 opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL);
2492 if (!opts) {
2493 fprintf(stderr, "qemu: already have a debugcon device\n");
2494 exit(1);
2495 }
2496 qemu_opt_set(opts, "driver", "isa-debugcon");
2497 qemu_opt_set(opts, "chardev", "debugcon");
2498 return 0;
2499 }
2500
2501 static gint machine_class_cmp(gconstpointer a, gconstpointer b)
2502 {
2503 const MachineClass *mc1 = a, *mc2 = b;
2504 int res;
2505
2506 if (mc1->family == NULL) {
2507 if (mc2->family == NULL) {
2508 /* Compare standalone machine types against each other; they sort
2509 * in increasing order.
2510 */
2511 return strcmp(object_class_get_name(OBJECT_CLASS(mc1)),
2512 object_class_get_name(OBJECT_CLASS(mc2)));
2513 }
2514
2515 /* Standalone machine types sort after families. */
2516 return 1;
2517 }
2518
2519 if (mc2->family == NULL) {
2520 /* Families sort before standalone machine types. */
2521 return -1;
2522 }
2523
2524 /* Families sort between each other alphabetically increasingly. */
2525 res = strcmp(mc1->family, mc2->family);
2526 if (res != 0) {
2527 return res;
2528 }
2529
2530 /* Within the same family, machine types sort in decreasing order. */
2531 return strcmp(object_class_get_name(OBJECT_CLASS(mc2)),
2532 object_class_get_name(OBJECT_CLASS(mc1)));
2533 }
2534
2535 static MachineClass *machine_parse(const char *name)
2536 {
2537 MachineClass *mc = NULL;
2538 GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
2539
2540 if (name) {
2541 mc = find_machine(name);
2542 }
2543 if (mc) {
2544 return mc;
2545 }
2546 if (name && !is_help_option(name)) {
2547 error_report("Unsupported machine type");
2548 error_printf("Use -machine help to list supported machines!\n");
2549 } else {
2550 printf("Supported machines are:\n");
2551 machines = g_slist_sort(machines, machine_class_cmp);
2552 for (el = machines; el; el = el->next) {
2553 MachineClass *mc = el->data;
2554 if (mc->alias) {
2555 printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, mc->name);
2556 }
2557 printf("%-20s %s%s\n", mc->name, mc->desc,
2558 mc->is_default ? " (default)" : "");
2559 }
2560 }
2561
2562 g_slist_free(machines);
2563 exit(!name || !is_help_option(name));
2564 }
2565
2566 void qemu_add_exit_notifier(Notifier *notify)
2567 {
2568 notifier_list_add(&exit_notifiers, notify);
2569 }
2570
2571 void qemu_remove_exit_notifier(Notifier *notify)
2572 {
2573 notifier_remove(notify);
2574 }
2575
2576 static void qemu_run_exit_notifiers(void)
2577 {
2578 notifier_list_notify(&exit_notifiers, NULL);
2579 }
2580
2581 void qemu_add_machine_init_done_notifier(Notifier *notify)
2582 {
2583 notifier_list_add(&machine_init_done_notifiers, notify);
2584 }
2585
2586 static void qemu_run_machine_init_done_notifiers(void)
2587 {
2588 notifier_list_notify(&machine_init_done_notifiers, NULL);
2589 }
2590
2591 static const QEMUOption *lookup_opt(int argc, char **argv,
2592 const char **poptarg, int *poptind)
2593 {
2594 const QEMUOption *popt;
2595 int optind = *poptind;
2596 char *r = argv[optind];
2597 const char *optarg;
2598
2599 loc_set_cmdline(argv, optind, 1);
2600 optind++;
2601 /* Treat --foo the same as -foo. */
2602 if (r[1] == '-')
2603 r++;
2604 popt = qemu_options;
2605 for(;;) {
2606 if (!popt->name) {
2607 error_report("invalid option");
2608 exit(1);
2609 }
2610 if (!strcmp(popt->name, r + 1))
2611 break;
2612 popt++;
2613 }
2614 if (popt->flags & HAS_ARG) {
2615 if (optind >= argc) {
2616 error_report("requires an argument");
2617 exit(1);
2618 }
2619 optarg = argv[optind++];
2620 loc_set_cmdline(argv, optind - 2, 2);
2621 } else {
2622 optarg = NULL;
2623 }
2624
2625 *poptarg = optarg;
2626 *poptind = optind;
2627
2628 return popt;
2629 }
2630
2631 static gpointer malloc_and_trace(gsize n_bytes)
2632 {
2633 void *ptr = malloc(n_bytes);
2634 trace_g_malloc(n_bytes, ptr);
2635 return ptr;
2636 }
2637
2638 static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2639 {
2640 void *ptr = realloc(mem, n_bytes);
2641 trace_g_realloc(mem, n_bytes, ptr);
2642 return ptr;
2643 }
2644
2645 static void free_and_trace(gpointer mem)
2646 {
2647 trace_g_free(mem);
2648 free(mem);
2649 }
2650
2651 static int machine_set_property(const char *name, const char *value,
2652 void *opaque)
2653 {
2654 Object *obj = OBJECT(opaque);
2655 StringInputVisitor *siv;
2656 Error *local_err = NULL;
2657 char *c, *qom_name;
2658
2659 if (strcmp(name, "type") == 0) {
2660 return 0;
2661 }
2662
2663 qom_name = g_strdup(name);
2664 c = qom_name;
2665 while (*c++) {
2666 if (*c == '_') {
2667 *c = '-';
2668 }
2669 }
2670
2671 siv = string_input_visitor_new(value);
2672 object_property_set(obj, string_input_get_visitor(siv), qom_name, &local_err);
2673 string_input_visitor_cleanup(siv);
2674 g_free(qom_name);
2675
2676 if (local_err) {
2677 qerror_report_err(local_err);
2678 error_free(local_err);
2679 return -1;
2680 }
2681
2682 return 0;
2683 }
2684
2685 static int object_create(QemuOpts *opts, void *opaque)
2686 {
2687 Error *err = NULL;
2688 char *type = NULL;
2689 char *id = NULL;
2690 void *dummy = NULL;
2691 OptsVisitor *ov;
2692 QDict *pdict;
2693
2694 ov = opts_visitor_new(opts);
2695 pdict = qemu_opts_to_qdict(opts, NULL);
2696
2697 visit_start_struct(opts_get_visitor(ov), &dummy, NULL, NULL, 0, &err);
2698 if (err) {
2699 goto out;
2700 }
2701
2702 qdict_del(pdict, "qom-type");
2703 visit_type_str(opts_get_visitor(ov), &type, "qom-type", &err);
2704 if (err) {
2705 goto out;
2706 }
2707
2708 qdict_del(pdict, "id");
2709 visit_type_str(opts_get_visitor(ov), &id, "id", &err);
2710 if (err) {
2711 goto out;
2712 }
2713
2714 object_add(type, id, pdict, opts_get_visitor(ov), &err);
2715 if (err) {
2716 goto out;
2717 }
2718 visit_end_struct(opts_get_visitor(ov), &err);
2719 if (err) {
2720 qmp_object_del(id, NULL);
2721 }
2722
2723 out:
2724 opts_visitor_cleanup(ov);
2725
2726 QDECREF(pdict);
2727 g_free(id);
2728 g_free(type);
2729 g_free(dummy);
2730 if (err) {
2731 qerror_report_err(err);
2732 error_free(err);
2733 return -1;
2734 }
2735 return 0;
2736 }
2737
2738 int main(int argc, char **argv, char **envp)
2739 {
2740 int i;
2741 int snapshot, linux_boot;
2742 const char *initrd_filename;
2743 const char *kernel_filename, *kernel_cmdline;
2744 const char *boot_order;
2745 DisplayState *ds;
2746 int cyls, heads, secs, translation;
2747 QemuOpts *hda_opts = NULL, *opts, *machine_opts, *icount_opts = NULL;
2748 QemuOptsList *olist;
2749 int optind;
2750 const char *optarg;
2751 const char *loadvm = NULL;
2752 MachineClass *machine_class;
2753 const char *cpu_model;
2754 const char *vga_model = NULL;
2755 const char *qtest_chrdev = NULL;
2756 const char *qtest_log = NULL;
2757 const char *pid_file = NULL;
2758 const char *incoming = NULL;
2759 #ifdef CONFIG_VNC
2760 int show_vnc_port = 0;
2761 #endif
2762 bool defconfig = true;
2763 bool userconfig = true;
2764 const char *log_mask = NULL;
2765 const char *log_file = NULL;
2766 GMemVTable mem_trace = {
2767 .malloc = malloc_and_trace,
2768 .realloc = realloc_and_trace,
2769 .free = free_and_trace,
2770 };
2771 const char *trace_events = NULL;
2772 const char *trace_file = NULL;
2773 const ram_addr_t default_ram_size = (ram_addr_t)DEFAULT_RAM_SIZE *
2774 1024 * 1024;
2775 ram_addr_t maxram_size = default_ram_size;
2776 uint64_t ram_slots = 0;
2777 FILE *vmstate_dump_file = NULL;
2778 Error *main_loop_err = NULL;
2779
2780 atexit(qemu_run_exit_notifiers);
2781 error_set_progname(argv[0]);
2782 qemu_init_exec_dir(argv[0]);
2783
2784 g_mem_set_vtable(&mem_trace);
2785
2786 module_call_init(MODULE_INIT_QOM);
2787
2788 qemu_add_opts(&qemu_drive_opts);
2789 qemu_add_drive_opts(&qemu_legacy_drive_opts);
2790 qemu_add_drive_opts(&qemu_common_drive_opts);
2791 qemu_add_drive_opts(&qemu_drive_opts);
2792 qemu_add_opts(&qemu_chardev_opts);
2793 qemu_add_opts(&qemu_device_opts);
2794 qemu_add_opts(&qemu_netdev_opts);
2795 qemu_add_opts(&qemu_net_opts);
2796 qemu_add_opts(&qemu_rtc_opts);
2797 qemu_add_opts(&qemu_global_opts);
2798 qemu_add_opts(&qemu_mon_opts);
2799 qemu_add_opts(&qemu_trace_opts);
2800 qemu_add_opts(&qemu_option_rom_opts);
2801 qemu_add_opts(&qemu_machine_opts);
2802 qemu_add_opts(&qemu_mem_opts);
2803 qemu_add_opts(&qemu_smp_opts);
2804 qemu_add_opts(&qemu_boot_opts);
2805 qemu_add_opts(&qemu_sandbox_opts);
2806 qemu_add_opts(&qemu_add_fd_opts);
2807 qemu_add_opts(&qemu_object_opts);
2808 qemu_add_opts(&qemu_tpmdev_opts);
2809 qemu_add_opts(&qemu_realtime_opts);
2810 qemu_add_opts(&qemu_msg_opts);
2811 qemu_add_opts(&qemu_name_opts);
2812 qemu_add_opts(&qemu_numa_opts);
2813 qemu_add_opts(&qemu_icount_opts);
2814
2815 runstate_init();
2816
2817 rtc_clock = QEMU_CLOCK_HOST;
2818
2819 QLIST_INIT (&vm_change_state_head);
2820 os_setup_early_signal_handling();
2821
2822 module_call_init(MODULE_INIT_MACHINE);
2823 machine_class = find_default_machine();
2824 cpu_model = NULL;
2825 ram_size = default_ram_size;
2826 snapshot = 0;
2827 cyls = heads = secs = 0;
2828 translation = BIOS_ATA_TRANSLATION_AUTO;
2829
2830 for (i = 0; i < MAX_NODES; i++) {
2831 numa_info[i].node_mem = 0;
2832 numa_info[i].present = false;
2833 bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS);
2834 }
2835
2836 nb_numa_nodes = 0;
2837 max_numa_nodeid = 0;
2838 nb_nics = 0;
2839
2840 bdrv_init_with_whitelist();
2841
2842 autostart = 1;
2843
2844 /* first pass of option parsing */
2845 optind = 1;
2846 while (optind < argc) {
2847 if (argv[optind][0] != '-') {
2848 /* disk image */
2849 optind++;
2850 } else {
2851 const QEMUOption *popt;
2852
2853 popt = lookup_opt(argc, argv, &optarg, &optind);
2854 switch (popt->index) {
2855 case QEMU_OPTION_nodefconfig:
2856 defconfig = false;
2857 break;
2858 case QEMU_OPTION_nouserconfig:
2859 userconfig = false;
2860 break;
2861 }
2862 }
2863 }
2864
2865 if (defconfig) {
2866 int ret;
2867 ret = qemu_read_default_config_files(userconfig);
2868 if (ret < 0) {
2869 exit(1);
2870 }
2871 }
2872
2873 /* second pass of option parsing */
2874 optind = 1;
2875 for(;;) {
2876 if (optind >= argc)
2877 break;
2878 if (argv[optind][0] != '-') {
2879 hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2880 } else {
2881 const QEMUOption *popt;
2882
2883 popt = lookup_opt(argc, argv, &optarg, &optind);
2884 if (!(popt->arch_mask & arch_type)) {
2885 printf("Option %s not supported for this target\n", popt->name);
2886 exit(1);
2887 }
2888 switch(popt->index) {
2889 case QEMU_OPTION_M:
2890 machine_class = machine_parse(optarg);
2891 break;
2892 case QEMU_OPTION_no_kvm_irqchip: {
2893 olist = qemu_find_opts("machine");
2894 qemu_opts_parse(olist, "kernel_irqchip=off", 0);
2895 break;
2896 }
2897 case QEMU_OPTION_cpu:
2898 /* hw initialization will check this */
2899 cpu_model = optarg;
2900 break;
2901 case QEMU_OPTION_hda:
2902 {
2903 char buf[256];
2904 if (cyls == 0)
2905 snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2906 else
2907 snprintf(buf, sizeof(buf),
2908 "%s,cyls=%d,heads=%d,secs=%d%s",
2909 HD_OPTS , cyls, heads, secs,
2910 translation == BIOS_ATA_TRANSLATION_LBA ?
2911 ",trans=lba" :
2912 translation == BIOS_ATA_TRANSLATION_NONE ?
2913 ",trans=none" : "");
2914 drive_add(IF_DEFAULT, 0, optarg, buf);
2915 break;
2916 }
2917 case QEMU_OPTION_hdb:
2918 case QEMU_OPTION_hdc:
2919 case QEMU_OPTION_hdd:
2920 drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2921 HD_OPTS);
2922 break;
2923 case QEMU_OPTION_drive:
2924 if (drive_def(optarg) == NULL) {
2925 exit(1);
2926 }
2927 break;
2928 case QEMU_OPTION_set:
2929 if (qemu_set_option(optarg) != 0)
2930 exit(1);
2931 break;
2932 case QEMU_OPTION_global:
2933 if (qemu_global_option(optarg) != 0)
2934 exit(1);
2935 break;
2936 case QEMU_OPTION_mtdblock:
2937 drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2938 break;
2939 case QEMU_OPTION_sd:
2940 drive_add(IF_SD, -1, optarg, SD_OPTS);
2941 break;
2942 case QEMU_OPTION_pflash:
2943 drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2944 break;
2945 case QEMU_OPTION_snapshot:
2946 snapshot = 1;
2947 break;
2948 case QEMU_OPTION_hdachs:
2949 {
2950 const char *p;
2951 p = optarg;
2952 cyls = strtol(p, (char **)&p, 0);
2953 if (cyls < 1 || cyls > 16383)
2954 goto chs_fail;
2955 if (*p != ',')
2956 goto chs_fail;
2957 p++;
2958 heads = strtol(p, (char **)&p, 0);
2959 if (heads < 1 || heads > 16)
2960 goto chs_fail;
2961 if (*p != ',')
2962 goto chs_fail;
2963 p++;
2964 secs = strtol(p, (char **)&p, 0);
2965 if (secs < 1 || secs > 63)
2966 goto chs_fail;
2967 if (*p == ',') {
2968 p++;
2969 if (!strcmp(p, "large")) {
2970 translation = BIOS_ATA_TRANSLATION_LARGE;
2971 } else if (!strcmp(p, "rechs")) {
2972 translation = BIOS_ATA_TRANSLATION_RECHS;
2973 } else if (!strcmp(p, "none")) {
2974 translation = BIOS_ATA_TRANSLATION_NONE;
2975 } else if (!strcmp(p, "lba")) {
2976 translation = BIOS_ATA_TRANSLATION_LBA;
2977 } else if (!strcmp(p, "auto")) {
2978 translation = BIOS_ATA_TRANSLATION_AUTO;
2979 } else {
2980 goto chs_fail;
2981 }
2982 } else if (*p != '\0') {
2983 chs_fail:
2984 fprintf(stderr, "qemu: invalid physical CHS format\n");
2985 exit(1);
2986 }
2987 if (hda_opts != NULL) {
2988 char num[16];
2989 snprintf(num, sizeof(num), "%d", cyls);
2990 qemu_opt_set(hda_opts, "cyls", num);
2991 snprintf(num, sizeof(num), "%d", heads);
2992 qemu_opt_set(hda_opts, "heads", num);
2993 snprintf(num, sizeof(num), "%d", secs);
2994 qemu_opt_set(hda_opts, "secs", num);
2995 if (translation == BIOS_ATA_TRANSLATION_LARGE) {
2996 qemu_opt_set(hda_opts, "trans", "large");
2997 } else if (translation == BIOS_ATA_TRANSLATION_RECHS) {
2998 qemu_opt_set(hda_opts, "trans", "rechs");
2999 } else if (translation == BIOS_ATA_TRANSLATION_LBA) {
3000 qemu_opt_set(hda_opts, "trans", "lba");
3001 } else if (translation == BIOS_ATA_TRANSLATION_NONE) {
3002 qemu_opt_set(hda_opts, "trans", "none");
3003 }
3004 }
3005 }
3006 break;
3007 case QEMU_OPTION_numa:
3008 opts = qemu_opts_parse(qemu_find_opts("numa"), optarg, 1);
3009 if (!opts) {
3010 exit(1);
3011 }
3012 break;
3013 case QEMU_OPTION_display:
3014 display_type = select_display(optarg);
3015 break;
3016 case QEMU_OPTION_nographic:
3017 display_type = DT_NOGRAPHIC;
3018 break;
3019 case QEMU_OPTION_curses:
3020 #ifdef CONFIG_CURSES
3021 display_type = DT_CURSES;
3022 #else
3023 fprintf(stderr, "Curses support is disabled\n");
3024 exit(1);
3025 #endif
3026 break;
3027 case QEMU_OPTION_portrait:
3028 graphic_rotate = 90;
3029 break;
3030 case QEMU_OPTION_rotate:
3031 graphic_rotate = strtol(optarg, (char **) &optarg, 10);
3032 if (graphic_rotate != 0 && graphic_rotate != 90 &&
3033 graphic_rotate != 180 && graphic_rotate != 270) {
3034 fprintf(stderr,
3035 "qemu: only 90, 180, 270 deg rotation is available\n");
3036 exit(1);
3037 }
3038 break;
3039 case QEMU_OPTION_kernel:
3040 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
3041 break;
3042 case QEMU_OPTION_initrd:
3043 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
3044 break;
3045 case QEMU_OPTION_append:
3046 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
3047 break;
3048 case QEMU_OPTION_dtb:
3049 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
3050 break;
3051 case QEMU_OPTION_cdrom:
3052 drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
3053 break;
3054 case QEMU_OPTION_boot:
3055 opts = qemu_opts_parse(qemu_find_opts("boot-opts"), optarg, 1);
3056 if (!opts) {
3057 exit(1);
3058 }
3059 break;
3060 case QEMU_OPTION_fda:
3061 case QEMU_OPTION_fdb:
3062 drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
3063 optarg, FD_OPTS);
3064 break;
3065 case QEMU_OPTION_no_fd_bootchk:
3066 fd_bootchk = 0;
3067 break;
3068 case QEMU_OPTION_netdev:
3069 if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
3070 exit(1);
3071 }
3072 break;
3073 case QEMU_OPTION_net:
3074 if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
3075 exit(1);
3076 }
3077 break;
3078 #ifdef CONFIG_LIBISCSI
3079 case QEMU_OPTION_iscsi:
3080 opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
3081 if (!opts) {
3082 exit(1);
3083 }
3084 break;
3085 #endif
3086 #ifdef CONFIG_SLIRP
3087 case QEMU_OPTION_tftp:
3088 legacy_tftp_prefix = optarg;
3089 break;
3090 case QEMU_OPTION_bootp:
3091 legacy_bootp_filename = optarg;
3092 break;
3093 case QEMU_OPTION_redir:
3094 if (net_slirp_redir(optarg) < 0)
3095 exit(1);
3096 break;
3097 #endif
3098 case QEMU_OPTION_bt:
3099 add_device_config(DEV_BT, optarg);
3100 break;
3101 case QEMU_OPTION_audio_help:
3102 AUD_help ();
3103 exit (0);
3104 break;
3105 case QEMU_OPTION_soundhw:
3106 select_soundhw (optarg);
3107 break;
3108 case QEMU_OPTION_h:
3109 help(0);
3110 break;
3111 case QEMU_OPTION_version:
3112 version();
3113 exit(0);
3114 break;
3115 case QEMU_OPTION_m: {
3116 uint64_t sz;
3117 const char *mem_str;
3118 const char *maxmem_str, *slots_str;
3119
3120 opts = qemu_opts_parse(qemu_find_opts("memory"),
3121 optarg, 1);
3122 if (!opts) {
3123 exit(EXIT_FAILURE);
3124 }
3125
3126 mem_str = qemu_opt_get(opts, "size");
3127 if (!mem_str) {
3128 error_report("invalid -m option, missing 'size' option");
3129 exit(EXIT_FAILURE);
3130 }
3131 if (!*mem_str) {
3132 error_report("missing 'size' option value");
3133 exit(EXIT_FAILURE);
3134 }
3135
3136 sz = qemu_opt_get_size(opts, "size", ram_size);
3137
3138 /* Fix up legacy suffix-less format */
3139 if (g_ascii_isdigit(mem_str[strlen(mem_str) - 1])) {
3140 uint64_t overflow_check = sz;
3141
3142 sz <<= 20;
3143 if ((sz >> 20) != overflow_check) {
3144 error_report("too large 'size' option value");
3145 exit(EXIT_FAILURE);
3146 }
3147 }
3148
3149 /* backward compatibility behaviour for case "-m 0" */
3150 if (sz == 0) {
3151 sz = default_ram_size;
3152 }
3153
3154 sz = QEMU_ALIGN_UP(sz, 8192);
3155 ram_size = sz;
3156 if (ram_size != sz) {
3157 error_report("ram size too large");
3158 exit(EXIT_FAILURE);
3159 }
3160 maxram_size = ram_size;
3161
3162 maxmem_str = qemu_opt_get(opts, "maxmem");
3163 slots_str = qemu_opt_get(opts, "slots");
3164 if (maxmem_str && slots_str) {
3165 uint64_t slots;
3166
3167 sz = qemu_opt_get_size(opts, "maxmem", 0);
3168 if (sz < ram_size) {
3169 error_report("invalid -m option value: maxmem "
3170 "(0x%" PRIx64 ") <= initial memory (0x"
3171 RAM_ADDR_FMT ")", sz, ram_size);
3172 exit(EXIT_FAILURE);
3173 }
3174
3175 slots = qemu_opt_get_number(opts, "slots", 0);
3176 if ((sz > ram_size) && !slots) {
3177 error_report("invalid -m option value: maxmem "
3178 "(0x%" PRIx64 ") more than initial memory (0x"
3179 RAM_ADDR_FMT ") but no hotplug slots where "
3180 "specified", sz, ram_size);
3181 exit(EXIT_FAILURE);
3182 }
3183
3184 if ((sz <= ram_size) && slots) {
3185 error_report("invalid -m option value: %"
3186 PRIu64 " hotplug slots where specified but "
3187 "maxmem (0x%" PRIx64 ") <= initial memory (0x"
3188 RAM_ADDR_FMT ")", slots, sz, ram_size);
3189 exit(EXIT_FAILURE);
3190 }
3191 maxram_size = sz;
3192 ram_slots = slots;
3193 } else if ((!maxmem_str && slots_str) ||
3194 (maxmem_str && !slots_str)) {
3195 error_report("invalid -m option value: missing "
3196 "'%s' option", slots_str ? "maxmem" : "slots");
3197 exit(EXIT_FAILURE);
3198 }
3199 break;
3200 }
3201 #ifdef CONFIG_TPM
3202 case QEMU_OPTION_tpmdev:
3203 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg) < 0) {
3204 exit(1);
3205 }
3206 break;
3207 #endif
3208 case QEMU_OPTION_mempath:
3209 mem_path = optarg;
3210 break;
3211 case QEMU_OPTION_mem_prealloc:
3212 mem_prealloc = 1;
3213 break;
3214 case QEMU_OPTION_d:
3215 log_mask = optarg;
3216 break;
3217 case QEMU_OPTION_D:
3218 log_file = optarg;
3219 break;
3220 case QEMU_OPTION_s:
3221 add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
3222 break;
3223 case QEMU_OPTION_gdb:
3224 add_device_config(DEV_GDB, optarg);
3225 break;
3226 case QEMU_OPTION_L:
3227 if (data_dir_idx < ARRAY_SIZE(data_dir)) {
3228 data_dir[data_dir_idx++] = optarg;
3229 }
3230 break;
3231 case QEMU_OPTION_bios:
3232 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg);
3233 break;
3234 case QEMU_OPTION_singlestep:
3235 singlestep = 1;
3236 break;
3237 case QEMU_OPTION_S:
3238 autostart = 0;
3239 break;
3240 case QEMU_OPTION_k:
3241 keyboard_layout = optarg;
3242 break;
3243 case QEMU_OPTION_localtime:
3244 rtc_utc = 0;
3245 break;
3246 case QEMU_OPTION_vga:
3247 vga_model = optarg;
3248 default_vga = 0;
3249 break;
3250 case QEMU_OPTION_g:
3251 {
3252 const char *p;
3253 int w, h, depth;
3254 p = optarg;
3255 w = strtol(p, (char **)&p, 10);
3256 if (w <= 0) {
3257 graphic_error:
3258 fprintf(stderr, "qemu: invalid resolution or depth\n");
3259 exit(1);
3260 }
3261 if (*p != 'x')
3262 goto graphic_error;
3263 p++;
3264 h = strtol(p, (char **)&p, 10);
3265 if (h <= 0)
3266 goto graphic_error;
3267 if (*p == 'x') {
3268 p++;
3269 depth = strtol(p, (char **)&p, 10);
3270 if (depth != 8 && depth != 15 && depth != 16 &&
3271 depth != 24 && depth != 32)
3272 goto graphic_error;
3273 } else if (*p == '\0') {
3274 depth = graphic_depth;
3275 } else {
3276 goto graphic_error;
3277 }
3278
3279 graphic_width = w;
3280 graphic_height = h;
3281 graphic_depth = depth;
3282 }
3283 break;
3284 case QEMU_OPTION_echr:
3285 {
3286 char *r;
3287 term_escape_char = strtol(optarg, &r, 0);
3288 if (r == optarg)
3289 printf("Bad argument to echr\n");
3290 break;
3291 }
3292 case QEMU_OPTION_monitor:
3293 default_monitor = 0;
3294 if (strncmp(optarg, "none", 4)) {
3295 monitor_parse(optarg, "readline");
3296 }
3297 break;
3298 case QEMU_OPTION_qmp:
3299 monitor_parse(optarg, "control");
3300 default_monitor = 0;
3301 break;
3302 case QEMU_OPTION_mon:
3303 opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
3304 if (!opts) {
3305 exit(1);
3306 }
3307 default_monitor = 0;
3308 break;
3309 case QEMU_OPTION_chardev:
3310 opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
3311 if (!opts) {
3312 exit(1);
3313 }
3314 break;
3315 case QEMU_OPTION_fsdev:
3316 olist = qemu_find_opts("fsdev");
3317 if (!olist) {
3318 fprintf(stderr, "fsdev is not supported by this qemu build.\n");
3319 exit(1);
3320 }
3321 opts = qemu_opts_parse(olist, optarg, 1);
3322 if (!opts) {
3323 exit(1);
3324 }
3325 break;
3326 case QEMU_OPTION_virtfs: {
3327 QemuOpts *fsdev;
3328 QemuOpts *device;
3329 const char *writeout, *sock_fd, *socket;
3330
3331 olist = qemu_find_opts("virtfs");
3332 if (!olist) {
3333 fprintf(stderr, "virtfs is not supported by this qemu build.\n");
3334 exit(1);
3335 }
3336 opts = qemu_opts_parse(olist, optarg, 1);
3337 if (!opts) {
3338 exit(1);
3339 }
3340
3341 if (qemu_opt_get(opts, "fsdriver") == NULL ||
3342 qemu_opt_get(opts, "mount_tag") == NULL) {
3343 fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
3344 exit(1);
3345 }
3346 fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
3347 qemu_opt_get(opts, "mount_tag"),
3348 1, NULL);
3349 if (!fsdev) {
3350 fprintf(stderr, "duplicate fsdev id: %s\n",
3351 qemu_opt_get(opts, "mount_tag"));
3352 exit(1);
3353 }
3354
3355 writeout = qemu_opt_get(opts, "writeout");
3356 if (writeout) {
3357 #ifdef CONFIG_SYNC_FILE_RANGE
3358 qemu_opt_set(fsdev, "writeout", writeout);
3359 #else
3360 fprintf(stderr, "writeout=immediate not supported on "
3361 "this platform\n");
3362 exit(1);
3363 #endif
3364 }
3365 qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
3366 qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
3367 qemu_opt_set(fsdev, "security_model",
3368 qemu_opt_get(opts, "security_model"));
3369 socket = qemu_opt_get(opts, "socket");
3370 if (socket) {
3371 qemu_opt_set(fsdev, "socket", socket);
3372 }
3373 sock_fd = qemu_opt_get(opts, "sock_fd");
3374 if (sock_fd) {
3375 qemu_opt_set(fsdev, "sock_fd", sock_fd);
3376 }
3377
3378 qemu_opt_set_bool(fsdev, "readonly",
3379 qemu_opt_get_bool(opts, "readonly", 0));
3380 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3381 &error_abort);
3382 qemu_opt_set(device, "driver", "virtio-9p-pci");
3383 qemu_opt_set(device, "fsdev",
3384 qemu_opt_get(opts, "mount_tag"));
3385 qemu_opt_set(device, "mount_tag",
3386 qemu_opt_get(opts, "mount_tag"));
3387 break;
3388 }
3389 case QEMU_OPTION_virtfs_synth: {
3390 QemuOpts *fsdev;
3391 QemuOpts *device;
3392
3393 fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3394 1, NULL);
3395 if (!fsdev) {
3396 fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
3397 exit(1);
3398 }
3399 qemu_opt_set(fsdev, "fsdriver", "synth");
3400
3401 device = qemu_opts_create(qemu_find_opts("device"), NULL, 0,
3402 &error_abort);
3403 qemu_opt_set(device, "driver", "virtio-9p-pci");
3404 qemu_opt_set(device, "fsdev", "v_synth");
3405 qemu_opt_set(device, "mount_tag", "v_synth");
3406 break;
3407 }
3408 case QEMU_OPTION_serial:
3409 add_device_config(DEV_SERIAL, optarg);
3410 default_serial = 0;
3411 if (strncmp(optarg, "mon:", 4) == 0) {
3412 default_monitor = 0;
3413 }
3414 break;
3415 case QEMU_OPTION_watchdog:
3416 if (watchdog) {
3417 fprintf(stderr,
3418 "qemu: only one watchdog option may be given\n");
3419 return 1;
3420 }
3421 watchdog = optarg;
3422 break;
3423 case QEMU_OPTION_watchdog_action:
3424 if (select_watchdog_action(optarg) == -1) {
3425 fprintf(stderr, "Unknown -watchdog-action parameter\n");
3426 exit(1);
3427 }
3428 break;
3429 case QEMU_OPTION_virtiocon:
3430 add_device_config(DEV_VIRTCON, optarg);
3431 default_virtcon = 0;
3432 if (strncmp(optarg, "mon:", 4) == 0) {
3433 default_monitor = 0;
3434 }
3435 break;
3436 case QEMU_OPTION_parallel:
3437 add_device_config(DEV_PARALLEL, optarg);
3438 default_parallel = 0;
3439 if (strncmp(optarg, "mon:", 4) == 0) {
3440 default_monitor = 0;
3441 }
3442 break;
3443 case QEMU_OPTION_debugcon:
3444 add_device_config(DEV_DEBUGCON, optarg);
3445 break;
3446 case QEMU_OPTION_loadvm:
3447 loadvm = optarg;
3448 break;
3449 case QEMU_OPTION_full_screen:
3450 full_screen = 1;
3451 break;
3452 case QEMU_OPTION_no_frame:
3453 no_frame = 1;
3454 break;
3455 case QEMU_OPTION_alt_grab:
3456 alt_grab = 1;
3457 break;
3458 case QEMU_OPTION_ctrl_grab:
3459 ctrl_grab = 1;
3460 break;
3461 case QEMU_OPTION_no_quit:
3462 no_quit = 1;
3463 break;
3464 case QEMU_OPTION_sdl:
3465 #ifdef CONFIG_SDL
3466 display_type = DT_SDL;
3467 break;
3468 #else
3469 fprintf(stderr, "SDL support is disabled\n");
3470 exit(1);
3471 #endif
3472 case QEMU_OPTION_pidfile:
3473 pid_file = optarg;
3474 break;
3475 case QEMU_OPTION_win2k_hack:
3476 win2k_install_hack = 1;
3477 break;
3478 case QEMU_OPTION_rtc_td_hack: {
3479 static GlobalProperty slew_lost_ticks[] = {
3480 {
3481 .driver = "mc146818rtc",
3482 .property = "lost_tick_policy",
3483 .value = "slew",
3484 },