4 * Copyright (c) 2003-2008 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
25 #include "qemu/osdep.h"
26 #include "qemu-common.h"
27 #include "qemu/units.h"
28 #include "hw/qdev-properties.h"
29 #include "qapi/error.h"
30 #include "qemu-version.h"
31 #include "qemu/cutils.h"
32 #include "qemu/help_option.h"
33 #include "qemu/uuid.h"
34 #include "sysemu/reset.h"
35 #include "sysemu/runstate.h"
36 #include "sysemu/seccomp.h"
37 #include "sysemu/tcg.h"
40 #if defined(__APPLE__) || defined(main)
42 int qemu_main(int argc
, char **argv
, char **envp
);
43 int main(int argc
, char **argv
)
45 return qemu_main(argc
, argv
, NULL
);
48 #define main qemu_main
50 #endif /* CONFIG_SDL */
54 #define main qemu_main
55 #endif /* CONFIG_COCOA */
58 #include "qemu/error-report.h"
59 #include "qemu/sockets.h"
60 #include "sysemu/accel.h"
62 #include "hw/isa/isa.h"
63 #include "hw/scsi/scsi.h"
64 #include "hw/display/vga.h"
66 #include "sysemu/watchdog.h"
67 #include "hw/firmware/smbios.h"
68 #include "hw/acpi/acpi.h"
69 #include "hw/xen/xen.h"
70 #include "hw/loader.h"
71 #include "monitor/qdev.h"
72 #include "sysemu/bt.h"
74 #include "net/slirp.h"
75 #include "monitor/monitor.h"
76 #include "ui/console.h"
78 #include "sysemu/sysemu.h"
79 #include "sysemu/numa.h"
80 #include "exec/gdbstub.h"
81 #include "qemu/timer.h"
82 #include "chardev/char.h"
83 #include "qemu/bitmap.h"
85 #include "sysemu/blockdev.h"
86 #include "hw/block/block.h"
87 #include "migration/misc.h"
88 #include "migration/snapshot.h"
89 #include "migration/global_state.h"
90 #include "sysemu/tpm.h"
91 #include "sysemu/dma.h"
92 #include "hw/audio/soundhw.h"
93 #include "audio/audio.h"
94 #include "sysemu/cpus.h"
95 #include "migration/colo.h"
96 #include "migration/postcopy-ram.h"
97 #include "sysemu/kvm.h"
98 #include "sysemu/hax.h"
99 #include "qapi/qobject-input-visitor.h"
100 #include "qemu/option.h"
101 #include "qemu/config-file.h"
102 #include "qemu-options.h"
103 #include "qemu/main-loop.h"
105 #include "fsdev/qemu-fsdev.h"
107 #include "sysemu/qtest.h"
109 #include "disas/disas.h"
111 #include "trace-root.h"
112 #include "trace/control.h"
113 #include "qemu/plugin.h"
114 #include "qemu/queue.h"
115 #include "sysemu/arch_init.h"
117 #include "ui/qemu-spice.h"
118 #include "qapi/string-input-visitor.h"
119 #include "qapi/opts-visitor.h"
120 #include "qapi/clone-visitor.h"
121 #include "qom/object_interfaces.h"
122 #include "hw/semihosting/semihost.h"
123 #include "crypto/init.h"
124 #include "sysemu/replay.h"
125 #include "qapi/qapi-events-run-state.h"
126 #include "qapi/qapi-visit-block-core.h"
127 #include "qapi/qapi-visit-ui.h"
128 #include "qapi/qapi-commands-block-core.h"
129 #include "qapi/qapi-commands-run-state.h"
130 #include "qapi/qapi-commands-ui.h"
131 #include "qapi/qmp/qerror.h"
132 #include "sysemu/iothread.h"
133 #include "qemu/guest-random.h"
135 #define MAX_VIRTIO_CONSOLES 1
137 static const char *data_dir
[16];
138 static int data_dir_idx
;
139 const char *bios_name
= NULL
;
140 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
142 const char* keyboard_layout
= NULL
;
144 const char *mem_path
= NULL
;
145 int mem_prealloc
= 0; /* force preallocation of physical target memory */
146 bool enable_mlock
= false;
147 bool enable_cpu_pm
= false;
149 NICInfo nd_table
[MAX_NICS
];
155 } rtc_base_type
= RTC_BASE_UTC
;
156 static time_t rtc_ref_start_datetime
;
157 static int rtc_realtime_clock_offset
; /* used only with QEMU_CLOCK_REALTIME */
158 static int rtc_host_datetime_offset
= -1; /* valid & used only with
160 QEMUClockType rtc_clock
;
161 int vga_interface_type
= VGA_NONE
;
162 static DisplayOptions dpy
;
163 static int num_serial_hds
;
164 static Chardev
**serial_hds
;
165 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
166 int win2k_install_hack
= 0;
168 int acpi_enabled
= 1;
171 static int no_reboot
;
174 int graphic_rotate
= 0;
175 const char *watchdog
;
176 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
179 const char *qemu_name
;
182 unsigned int nb_prom_envs
= 0;
183 const char *prom_envs
[MAX_PROM_ENVS
];
186 uint8_t *boot_splash_filedata
;
187 int only_migratable
; /* turn it off unless user states otherwise */
188 bool wakeup_suspend_enabled
;
190 int icount_align_option
;
192 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
193 * little-endian "wire format" described in the SMBIOS 2.6 specification.
198 static NotifierList exit_notifiers
=
199 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
201 static NotifierList machine_init_done_notifiers
=
202 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
206 enum xen_mode xen_mode
= XEN_EMULATE
;
207 bool xen_domid_restrict
;
209 static int has_defaults
= 1;
210 static int default_serial
= 1;
211 static int default_parallel
= 1;
212 static int default_monitor
= 1;
213 static int default_floppy
= 1;
214 static int default_cdrom
= 1;
215 static int default_sdcard
= 1;
216 static int default_vga
= 1;
217 static int default_net
= 1;
223 { .driver
= "isa-serial", .flag
= &default_serial
},
224 { .driver
= "isa-parallel", .flag
= &default_parallel
},
225 { .driver
= "isa-fdc", .flag
= &default_floppy
},
226 { .driver
= "floppy", .flag
= &default_floppy
},
227 { .driver
= "ide-cd", .flag
= &default_cdrom
},
228 { .driver
= "ide-hd", .flag
= &default_cdrom
},
229 { .driver
= "ide-drive", .flag
= &default_cdrom
},
230 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
231 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
232 { .driver
= "VGA", .flag
= &default_vga
},
233 { .driver
= "isa-vga", .flag
= &default_vga
},
234 { .driver
= "cirrus-vga", .flag
= &default_vga
},
235 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
236 { .driver
= "vmware-svga", .flag
= &default_vga
},
237 { .driver
= "qxl-vga", .flag
= &default_vga
},
238 { .driver
= "virtio-vga", .flag
= &default_vga
},
239 { .driver
= "ati-vga", .flag
= &default_vga
},
240 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
243 static QemuOptsList qemu_rtc_opts
= {
245 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
250 .type
= QEMU_OPT_STRING
,
253 .type
= QEMU_OPT_STRING
,
256 .type
= QEMU_OPT_STRING
,
258 { /* end of list */ }
262 static QemuOptsList qemu_option_rom_opts
= {
263 .name
= "option-rom",
264 .implied_opt_name
= "romfile",
265 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
269 .type
= QEMU_OPT_NUMBER
,
272 .type
= QEMU_OPT_STRING
,
274 { /* end of list */ }
278 static QemuOptsList qemu_machine_opts
= {
280 .implied_opt_name
= "type",
282 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
285 * no elements => accept any
286 * sanity checking will happen later
287 * when setting machine properties
293 static QemuOptsList qemu_accel_opts
= {
295 .implied_opt_name
= "accel",
296 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
301 .type
= QEMU_OPT_STRING
,
302 .help
= "Select the type of accelerator",
306 .type
= QEMU_OPT_STRING
,
307 .help
= "Enable/disable multi-threaded TCG",
309 { /* end of list */ }
313 static QemuOptsList qemu_boot_opts
= {
315 .implied_opt_name
= "order",
317 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
321 .type
= QEMU_OPT_STRING
,
324 .type
= QEMU_OPT_STRING
,
327 .type
= QEMU_OPT_BOOL
,
330 .type
= QEMU_OPT_STRING
,
332 .name
= "splash-time",
333 .type
= QEMU_OPT_NUMBER
,
335 .name
= "reboot-timeout",
336 .type
= QEMU_OPT_NUMBER
,
339 .type
= QEMU_OPT_BOOL
,
345 static QemuOptsList qemu_add_fd_opts
= {
347 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
351 .type
= QEMU_OPT_NUMBER
,
352 .help
= "file descriptor of which a duplicate is added to fd set",
355 .type
= QEMU_OPT_NUMBER
,
356 .help
= "ID of the fd set to add fd to",
359 .type
= QEMU_OPT_STRING
,
360 .help
= "free-form string used to describe fd",
362 { /* end of list */ }
366 static QemuOptsList qemu_object_opts
= {
368 .implied_opt_name
= "qom-type",
369 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
375 static QemuOptsList qemu_tpmdev_opts
= {
377 .implied_opt_name
= "type",
378 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
380 /* options are defined in the TPM backends */
381 { /* end of list */ }
385 static QemuOptsList qemu_realtime_opts
= {
387 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
391 .type
= QEMU_OPT_BOOL
,
393 { /* end of list */ }
397 static QemuOptsList qemu_overcommit_opts
= {
398 .name
= "overcommit",
399 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
403 .type
= QEMU_OPT_BOOL
,
407 .type
= QEMU_OPT_BOOL
,
409 { /* end of list */ }
413 static QemuOptsList qemu_msg_opts
= {
415 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
419 .type
= QEMU_OPT_BOOL
,
421 { /* end of list */ }
425 static QemuOptsList qemu_name_opts
= {
427 .implied_opt_name
= "guest",
429 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
433 .type
= QEMU_OPT_STRING
,
434 .help
= "Sets the name of the guest.\n"
435 "This name will be displayed in the SDL window caption.\n"
436 "The name will also be used for the VNC server",
439 .type
= QEMU_OPT_STRING
,
440 .help
= "Sets the name of the QEMU process, as shown in top etc",
442 .name
= "debug-threads",
443 .type
= QEMU_OPT_BOOL
,
444 .help
= "When enabled, name the individual threads; defaults off.\n"
445 "NOTE: The thread names are for debugging and not a\n"
448 { /* End of list */ }
452 static QemuOptsList qemu_mem_opts
= {
454 .implied_opt_name
= "size",
455 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
460 .type
= QEMU_OPT_SIZE
,
464 .type
= QEMU_OPT_NUMBER
,
468 .type
= QEMU_OPT_SIZE
,
470 { /* end of list */ }
474 static QemuOptsList qemu_icount_opts
= {
476 .implied_opt_name
= "shift",
478 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
482 .type
= QEMU_OPT_STRING
,
485 .type
= QEMU_OPT_BOOL
,
488 .type
= QEMU_OPT_BOOL
,
491 .type
= QEMU_OPT_STRING
,
494 .type
= QEMU_OPT_STRING
,
496 .name
= "rrsnapshot",
497 .type
= QEMU_OPT_STRING
,
499 { /* end of list */ }
503 static QemuOptsList qemu_fw_cfg_opts
= {
505 .implied_opt_name
= "name",
506 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
510 .type
= QEMU_OPT_STRING
,
511 .help
= "Sets the fw_cfg name of the blob to be inserted",
514 .type
= QEMU_OPT_STRING
,
515 .help
= "Sets the name of the file from which "
516 "the fw_cfg blob will be loaded",
519 .type
= QEMU_OPT_STRING
,
520 .help
= "Sets content of the blob to be inserted from a string",
522 { /* end of list */ }
527 * Get machine options
529 * Returns: machine options (never null).
531 QemuOpts
*qemu_get_machine_opts(void)
533 return qemu_find_opts_singleton("machine");
536 const char *qemu_get_vm_name(void)
541 static void res_free(void)
543 g_free(boot_splash_filedata
);
544 boot_splash_filedata
= NULL
;
547 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
549 const char *driver
= qemu_opt_get(opts
, "driver");
554 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
555 if (strcmp(default_list
[i
].driver
, driver
) != 0)
557 *(default_list
[i
].flag
) = 0;
562 /***********************************************************/
565 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
567 /* We use RUN_STATE__MAX but any invalid value will do */
568 static RunState vmstop_requested
= RUN_STATE__MAX
;
569 static QemuMutex vmstop_lock
;
574 } RunStateTransition
;
576 static const RunStateTransition runstate_transitions_def
[] = {
578 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
579 /* Early switch to inmigrate state to allow -incoming CLI option work
580 * as it used to. TODO: delay actual switching to inmigrate state to
581 * the point after machine is built and remove this hack.
583 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
585 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
586 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
587 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
599 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
600 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
602 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
603 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
604 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
606 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
607 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
608 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
610 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
611 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
612 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
613 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
614 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
616 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
617 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
618 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
620 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
621 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
622 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
624 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
625 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
626 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
627 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
628 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
630 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
631 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
633 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
635 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
636 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
637 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
638 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
639 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
640 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
641 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
642 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
643 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
644 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
645 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
647 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
649 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
650 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
651 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
653 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
654 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
655 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
656 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
657 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
658 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
660 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
661 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
662 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
663 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
665 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
666 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
667 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
669 { RUN_STATE__MAX
, RUN_STATE__MAX
},
672 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
674 bool runstate_check(RunState state
)
676 return current_run_state
== state
;
679 bool runstate_store(char *str
, size_t size
)
681 const char *state
= RunState_str(current_run_state
);
682 size_t len
= strlen(state
) + 1;
687 memcpy(str
, state
, len
);
691 static void runstate_init(void)
693 const RunStateTransition
*p
;
695 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
696 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
697 runstate_valid_transitions
[p
->from
][p
->to
] = true;
700 qemu_mutex_init(&vmstop_lock
);
703 /* This function will abort() on invalid state transitions */
704 void runstate_set(RunState new_state
)
706 assert(new_state
< RUN_STATE__MAX
);
708 trace_runstate_set(current_run_state
, RunState_str(current_run_state
),
709 new_state
, RunState_str(new_state
));
711 if (current_run_state
== new_state
) {
715 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
716 error_report("invalid runstate transition: '%s' -> '%s'",
717 RunState_str(current_run_state
),
718 RunState_str(new_state
));
722 current_run_state
= new_state
;
725 int runstate_is_running(void)
727 return runstate_check(RUN_STATE_RUNNING
);
730 bool runstate_needs_reset(void)
732 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
733 runstate_check(RUN_STATE_SHUTDOWN
);
736 StatusInfo
*qmp_query_status(Error
**errp
)
738 StatusInfo
*info
= g_malloc0(sizeof(*info
));
740 info
->running
= runstate_is_running();
741 info
->singlestep
= singlestep
;
742 info
->status
= current_run_state
;
747 bool qemu_vmstop_requested(RunState
*r
)
749 qemu_mutex_lock(&vmstop_lock
);
750 *r
= vmstop_requested
;
751 vmstop_requested
= RUN_STATE__MAX
;
752 qemu_mutex_unlock(&vmstop_lock
);
753 return *r
< RUN_STATE__MAX
;
756 void qemu_system_vmstop_request_prepare(void)
758 qemu_mutex_lock(&vmstop_lock
);
761 void qemu_system_vmstop_request(RunState state
)
763 vmstop_requested
= state
;
764 qemu_mutex_unlock(&vmstop_lock
);
768 /***********************************************************/
769 /* RTC reference time/date access */
770 static time_t qemu_ref_timedate(QEMUClockType clock
)
772 time_t value
= qemu_clock_get_ms(clock
) / 1000;
774 case QEMU_CLOCK_REALTIME
:
775 value
-= rtc_realtime_clock_offset
;
777 case QEMU_CLOCK_VIRTUAL
:
778 value
+= rtc_ref_start_datetime
;
780 case QEMU_CLOCK_HOST
:
781 if (rtc_base_type
== RTC_BASE_DATETIME
) {
782 value
-= rtc_host_datetime_offset
;
791 void qemu_get_timedate(struct tm
*tm
, int offset
)
793 time_t ti
= qemu_ref_timedate(rtc_clock
);
797 switch (rtc_base_type
) {
798 case RTC_BASE_DATETIME
:
802 case RTC_BASE_LOCALTIME
:
803 localtime_r(&ti
, tm
);
808 int qemu_timedate_diff(struct tm
*tm
)
812 switch (rtc_base_type
) {
813 case RTC_BASE_DATETIME
:
815 seconds
= mktimegm(tm
);
817 case RTC_BASE_LOCALTIME
:
820 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
821 seconds
= mktime(&tmp
);
828 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
831 static void configure_rtc_base_datetime(const char *startdate
)
833 time_t rtc_start_datetime
;
836 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
837 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
839 } else if (sscanf(startdate
, "%d-%d-%d",
840 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
849 rtc_start_datetime
= mktimegm(&tm
);
850 if (rtc_start_datetime
== -1) {
852 error_report("invalid datetime format");
853 error_printf("valid formats: "
854 "'2006-06-17T16:01:21' or '2006-06-17'\n");
857 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
858 rtc_ref_start_datetime
= rtc_start_datetime
;
861 static void configure_rtc(QemuOpts
*opts
)
866 rtc_clock
= QEMU_CLOCK_HOST
;
867 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
868 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
870 value
= qemu_opt_get(opts
, "base");
872 if (!strcmp(value
, "utc")) {
873 rtc_base_type
= RTC_BASE_UTC
;
874 } else if (!strcmp(value
, "localtime")) {
875 Error
*blocker
= NULL
;
876 rtc_base_type
= RTC_BASE_LOCALTIME
;
877 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
878 "-rtc base=localtime");
879 replay_add_blocker(blocker
);
881 rtc_base_type
= RTC_BASE_DATETIME
;
882 configure_rtc_base_datetime(value
);
885 value
= qemu_opt_get(opts
, "clock");
887 if (!strcmp(value
, "host")) {
888 rtc_clock
= QEMU_CLOCK_HOST
;
889 } else if (!strcmp(value
, "rt")) {
890 rtc_clock
= QEMU_CLOCK_REALTIME
;
891 } else if (!strcmp(value
, "vm")) {
892 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
894 error_report("invalid option value '%s'", value
);
898 value
= qemu_opt_get(opts
, "driftfix");
900 if (!strcmp(value
, "slew")) {
901 static GlobalProperty slew_lost_ticks
= {
902 .driver
= "mc146818rtc",
903 .property
= "lost_tick_policy",
907 qdev_prop_register_global(&slew_lost_ticks
);
908 } else if (!strcmp(value
, "none")) {
909 /* discard is default */
911 error_report("invalid option value '%s'", value
);
917 /***********************************************************/
918 /* Bluetooth support */
921 static struct HCIInfo
*hci_table
[MAX_NICS
];
923 struct HCIInfo
*qemu_next_hci(void)
925 if (cur_hci
== nb_hcis
)
928 return hci_table
[cur_hci
++];
931 static int bt_hci_parse(const char *str
)
936 if (nb_hcis
>= MAX_NICS
) {
937 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
950 bdaddr
.b
[5] = 0x56 + nb_hcis
;
951 hci
->bdaddr_set(hci
, bdaddr
.b
);
953 hci_table
[nb_hcis
++] = hci
;
958 static void bt_vhci_add(int vlan_id
)
960 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
963 warn_report("adding a VHCI to an empty scatternet %i",
966 bt_vhci_init(bt_new_hci(vlan
));
969 static struct bt_device_s
*bt_device_add(const char *opt
)
971 struct bt_scatternet_s
*vlan
;
973 char *endp
= strstr(opt
, ",vlan=");
974 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
977 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
980 vlan_id
= strtol(endp
+ 6, &endp
, 0);
982 error_report("unrecognised bluetooth vlan Id");
987 vlan
= qemu_find_bt_vlan(vlan_id
);
990 warn_report("adding a slave device to an empty scatternet %i",
993 if (!strcmp(devname
, "keyboard"))
994 return bt_keyboard_init(vlan
);
996 error_report("unsupported bluetooth device '%s'", devname
);
1000 static int bt_parse(const char *opt
)
1002 const char *endp
, *p
;
1005 if (strstart(opt
, "hci", &endp
)) {
1006 if (!*endp
|| *endp
== ',') {
1008 if (!strstart(endp
, ",vlan=", 0))
1011 return bt_hci_parse(opt
);
1013 } else if (strstart(opt
, "vhci", &endp
)) {
1014 if (!*endp
|| *endp
== ',') {
1016 if (strstart(endp
, ",vlan=", &p
)) {
1017 vlan
= strtol(p
, (char **) &endp
, 0);
1019 error_report("bad scatternet '%s'", p
);
1023 error_report("bad parameter '%s'", endp
+ 1);
1032 } else if (strstart(opt
, "device:", &endp
))
1033 return !bt_device_add(endp
);
1035 error_report("bad bluetooth parameter '%s'", opt
);
1039 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1041 const char *proc_name
;
1043 if (qemu_opt_get(opts
, "debug-threads")) {
1044 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1046 qemu_name
= qemu_opt_get(opts
, "guest");
1048 proc_name
= qemu_opt_get(opts
, "process");
1050 os_set_proc_name(proc_name
);
1056 bool defaults_enabled(void)
1058 return has_defaults
;
1062 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1064 int fd
, dupfd
, flags
;
1066 const char *fd_opaque
= NULL
;
1069 fd
= qemu_opt_get_number(opts
, "fd", -1);
1070 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1071 fd_opaque
= qemu_opt_get(opts
, "opaque");
1074 error_setg(errp
, "fd option is required and must be non-negative");
1078 if (fd
<= STDERR_FILENO
) {
1079 error_setg(errp
, "fd cannot be a standard I/O stream");
1084 * All fds inherited across exec() necessarily have FD_CLOEXEC
1085 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1087 flags
= fcntl(fd
, F_GETFD
);
1088 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1089 error_setg(errp
, "fd is not valid or already in use");
1094 error_setg(errp
, "set option is required and must be non-negative");
1098 #ifdef F_DUPFD_CLOEXEC
1099 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1103 qemu_set_cloexec(dupfd
);
1107 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1111 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1112 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1119 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1123 fd
= qemu_opt_get_number(opts
, "fd", -1);
1130 /***********************************************************/
1131 /* QEMU Block devices */
1133 #define HD_OPTS "media=disk"
1134 #define CDROM_OPTS "media=cdrom"
1136 #define PFLASH_OPTS ""
1140 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1142 BlockInterfaceType
*block_default_type
= opaque
;
1144 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1147 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1149 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1150 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1155 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1156 int index
, const char *optstr
)
1161 if (!enable
|| drive_get_by_index(type
, index
)) {
1165 opts
= drive_add(type
, index
, NULL
, optstr
);
1167 drive_enable_snapshot(NULL
, opts
, NULL
);
1170 dinfo
= drive_new(opts
, type
, &error_abort
);
1171 dinfo
->is_default
= true;
1175 typedef struct BlockdevOptionsQueueEntry
{
1176 BlockdevOptions
*bdo
;
1178 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
1179 } BlockdevOptionsQueueEntry
;
1181 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
1183 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
1184 MachineClass
*machine_class
, int snapshot
)
1187 * If the currently selected machine wishes to override the
1188 * units-per-bus property of its default HBA interface type, do so
1191 if (machine_class
->units_per_default_bus
) {
1192 override_max_devs(machine_class
->block_default_type
,
1193 machine_class
->units_per_default_bus
);
1196 /* open the virtual block devices */
1197 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
1198 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
1200 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
1201 loc_push_restore(&bdo
->loc
);
1202 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
1204 qapi_free_BlockdevOptions(bdo
->bdo
);
1208 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
1211 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
1212 &machine_class
->block_default_type
, &error_fatal
)) {
1213 /* We printed help */
1217 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
1219 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
1220 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
1224 static QemuOptsList qemu_smp_opts
= {
1226 .implied_opt_name
= "cpus",
1227 .merge_lists
= true,
1228 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1232 .type
= QEMU_OPT_NUMBER
,
1235 .type
= QEMU_OPT_NUMBER
,
1238 .type
= QEMU_OPT_NUMBER
,
1241 .type
= QEMU_OPT_NUMBER
,
1244 .type
= QEMU_OPT_NUMBER
,
1247 .type
= QEMU_OPT_NUMBER
,
1249 { /*End of list */ }
1253 static void realtime_init(void)
1256 if (os_mlock() < 0) {
1257 error_report("locking memory failed");
1264 static void configure_msg(QemuOpts
*opts
)
1266 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1270 /* Now we still need this for compatibility with XEN. */
1271 bool has_igd_gfx_passthru
;
1272 static void igd_gfx_passthru(void)
1274 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1277 /***********************************************************/
1280 static int usb_device_add(const char *devname
)
1282 USBDevice
*dev
= NULL
;
1284 if (!machine_usb(current_machine
)) {
1288 dev
= usbdevice_create(devname
);
1295 static int usb_parse(const char *cmdline
)
1298 r
= usb_device_add(cmdline
);
1300 error_report("could not add USB device '%s'", cmdline
);
1305 /***********************************************************/
1306 /* machine registration */
1308 MachineState
*current_machine
;
1310 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
1314 for (el
= machines
; el
; el
= el
->next
) {
1315 MachineClass
*mc
= el
->data
;
1317 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
1325 static MachineClass
*find_default_machine(GSList
*machines
)
1329 for (el
= machines
; el
; el
= el
->next
) {
1330 MachineClass
*mc
= el
->data
;
1332 if (mc
->is_default
) {
1340 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1342 ObjectProperty
*prop
;
1343 ObjectPropertyIterator iter
;
1345 if (!qemu_opt_has_help_opt(opts
)) {
1349 object_property_iter_init(&iter
, OBJECT(machine
));
1350 while ((prop
= object_property_iter_next(&iter
))) {
1355 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1356 prop
->name
, prop
->type
);
1357 if (prop
->description
) {
1358 printf(" (%s)\n", prop
->description
);
1367 struct VMChangeStateEntry
{
1368 VMChangeStateHandler
*cb
;
1370 QTAILQ_ENTRY(VMChangeStateEntry
) entries
;
1374 static QTAILQ_HEAD(, VMChangeStateEntry
) vm_change_state_head
;
1377 * qemu_add_vm_change_state_handler_prio:
1378 * @cb: the callback to invoke
1379 * @opaque: user data passed to the callback
1380 * @priority: low priorities execute first when the vm runs and the reverse is
1381 * true when the vm stops
1383 * Register a callback function that is invoked when the vm starts or stops
1386 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1388 VMChangeStateEntry
*qemu_add_vm_change_state_handler_prio(
1389 VMChangeStateHandler
*cb
, void *opaque
, int priority
)
1391 VMChangeStateEntry
*e
;
1392 VMChangeStateEntry
*other
;
1394 e
= g_malloc0(sizeof(*e
));
1397 e
->priority
= priority
;
1399 /* Keep list sorted in ascending priority order */
1400 QTAILQ_FOREACH(other
, &vm_change_state_head
, entries
) {
1401 if (priority
< other
->priority
) {
1402 QTAILQ_INSERT_BEFORE(other
, e
, entries
);
1407 QTAILQ_INSERT_TAIL(&vm_change_state_head
, e
, entries
);
1411 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1414 return qemu_add_vm_change_state_handler_prio(cb
, opaque
, 0);
1417 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1419 QTAILQ_REMOVE(&vm_change_state_head
, e
, entries
);
1423 void vm_state_notify(int running
, RunState state
)
1425 VMChangeStateEntry
*e
, *next
;
1427 trace_vm_state_notify(running
, state
, RunState_str(state
));
1430 QTAILQ_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1431 e
->cb(e
->opaque
, running
, state
);
1434 QTAILQ_FOREACH_REVERSE_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1435 e
->cb(e
->opaque
, running
, state
);
1440 static ShutdownCause reset_requested
;
1441 static ShutdownCause shutdown_requested
;
1442 static int shutdown_signal
;
1443 static pid_t shutdown_pid
;
1444 static int powerdown_requested
;
1445 static int debug_requested
;
1446 static int suspend_requested
;
1447 static bool preconfig_exit_requested
= true;
1448 static WakeupReason wakeup_reason
;
1449 static NotifierList powerdown_notifiers
=
1450 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1451 static NotifierList suspend_notifiers
=
1452 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1453 static NotifierList wakeup_notifiers
=
1454 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1455 static NotifierList shutdown_notifiers
=
1456 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers
);
1457 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1459 ShutdownCause
qemu_shutdown_requested_get(void)
1461 return shutdown_requested
;
1464 ShutdownCause
qemu_reset_requested_get(void)
1466 return reset_requested
;
1469 static int qemu_shutdown_requested(void)
1471 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1474 static void qemu_kill_report(void)
1476 if (!qtest_driver() && shutdown_signal
) {
1477 if (shutdown_pid
== 0) {
1478 /* This happens for eg ^C at the terminal, so it's worth
1479 * avoiding printing an odd message in that case.
1481 error_report("terminating on signal %d", shutdown_signal
);
1483 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1485 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1486 shutdown_signal
, shutdown_pid
,
1487 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1488 g_free(shutdown_cmd
);
1490 shutdown_signal
= 0;
1494 static ShutdownCause
qemu_reset_requested(void)
1496 ShutdownCause r
= reset_requested
;
1498 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1499 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1502 return SHUTDOWN_CAUSE_NONE
;
1505 static int qemu_suspend_requested(void)
1507 int r
= suspend_requested
;
1508 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1509 suspend_requested
= 0;
1515 static WakeupReason
qemu_wakeup_requested(void)
1517 return wakeup_reason
;
1520 static int qemu_powerdown_requested(void)
1522 int r
= powerdown_requested
;
1523 powerdown_requested
= 0;
1527 static int qemu_debug_requested(void)
1529 int r
= debug_requested
;
1530 debug_requested
= 0;
1534 void qemu_exit_preconfig_request(void)
1536 preconfig_exit_requested
= true;
1540 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1542 void qemu_system_reset(ShutdownCause reason
)
1546 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1548 cpu_synchronize_all_states();
1550 if (mc
&& mc
->reset
) {
1551 mc
->reset(current_machine
);
1553 qemu_devices_reset();
1555 if (reason
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1556 qapi_event_send_reset(shutdown_caused_by_guest(reason
), reason
);
1558 cpu_synchronize_all_post_reset();
1562 * Wake the VM after suspend.
1564 static void qemu_system_wakeup(void)
1568 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1570 if (mc
&& mc
->wakeup
) {
1571 mc
->wakeup(current_machine
);
1575 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1577 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1580 current_cpu
->crash_occurred
= true;
1582 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1584 vm_stop(RUN_STATE_GUEST_PANICKED
);
1586 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1588 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1592 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1593 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1594 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1595 info
->u
.hyper_v
.arg1
,
1596 info
->u
.hyper_v
.arg2
,
1597 info
->u
.hyper_v
.arg3
,
1598 info
->u
.hyper_v
.arg4
,
1599 info
->u
.hyper_v
.arg5
);
1600 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1601 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1602 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1604 S390CrashReason_str(info
->u
.s390
.reason
),
1605 info
->u
.s390
.psw_mask
,
1606 info
->u
.s390
.psw_addr
);
1608 qapi_free_GuestPanicInformation(info
);
1612 void qemu_system_reset_request(ShutdownCause reason
)
1614 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1615 shutdown_requested
= reason
;
1617 reset_requested
= reason
;
1620 qemu_notify_event();
1623 static void qemu_system_suspend(void)
1626 notifier_list_notify(&suspend_notifiers
, NULL
);
1627 runstate_set(RUN_STATE_SUSPENDED
);
1628 qapi_event_send_suspend();
1631 void qemu_system_suspend_request(void)
1633 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1636 suspend_requested
= 1;
1638 qemu_notify_event();
1641 void qemu_register_suspend_notifier(Notifier
*notifier
)
1643 notifier_list_add(&suspend_notifiers
, notifier
);
1646 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
)
1648 trace_system_wakeup_request(reason
);
1650 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1652 "Unable to wake up: guest is not in suspended state");
1655 if (!(wakeup_reason_mask
& (1 << reason
))) {
1658 runstate_set(RUN_STATE_RUNNING
);
1659 wakeup_reason
= reason
;
1660 qemu_notify_event();
1663 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1666 wakeup_reason_mask
|= (1 << reason
);
1668 wakeup_reason_mask
&= ~(1 << reason
);
1672 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1674 notifier_list_add(&wakeup_notifiers
, notifier
);
1677 void qemu_register_wakeup_support(void)
1679 wakeup_suspend_enabled
= true;
1682 bool qemu_wakeup_suspend_enabled(void)
1684 return wakeup_suspend_enabled
;
1687 void qemu_system_killed(int signal
, pid_t pid
)
1689 shutdown_signal
= signal
;
1693 /* Cannot call qemu_system_shutdown_request directly because
1694 * we are in a signal handler.
1696 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1697 qemu_notify_event();
1700 void qemu_system_shutdown_request(ShutdownCause reason
)
1702 trace_qemu_system_shutdown_request(reason
);
1703 replay_shutdown_request(reason
);
1704 shutdown_requested
= reason
;
1705 qemu_notify_event();
1708 static void qemu_system_powerdown(void)
1710 qapi_event_send_powerdown();
1711 notifier_list_notify(&powerdown_notifiers
, NULL
);
1714 static void qemu_system_shutdown(ShutdownCause cause
)
1716 qapi_event_send_shutdown(shutdown_caused_by_guest(cause
), cause
);
1717 notifier_list_notify(&shutdown_notifiers
, &cause
);
1720 void qemu_system_powerdown_request(void)
1722 trace_qemu_system_powerdown_request();
1723 powerdown_requested
= 1;
1724 qemu_notify_event();
1727 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1729 notifier_list_add(&powerdown_notifiers
, notifier
);
1732 void qemu_register_shutdown_notifier(Notifier
*notifier
)
1734 notifier_list_add(&shutdown_notifiers
, notifier
);
1737 void qemu_system_debug_request(void)
1739 debug_requested
= 1;
1740 qemu_notify_event();
1743 static bool main_loop_should_exit(void)
1746 ShutdownCause request
;
1748 if (runstate_check(RUN_STATE_FINISH_MIGRATE
)) {
1751 if (preconfig_exit_requested
) {
1752 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1753 runstate_set(RUN_STATE_PRELAUNCH
);
1755 preconfig_exit_requested
= false;
1758 if (qemu_debug_requested()) {
1759 vm_stop(RUN_STATE_DEBUG
);
1761 if (qemu_suspend_requested()) {
1762 qemu_system_suspend();
1764 request
= qemu_shutdown_requested();
1767 qemu_system_shutdown(request
);
1769 vm_stop(RUN_STATE_SHUTDOWN
);
1774 request
= qemu_reset_requested();
1777 qemu_system_reset(request
);
1779 if (!runstate_check(RUN_STATE_RUNNING
) &&
1780 !runstate_check(RUN_STATE_INMIGRATE
)) {
1781 runstate_set(RUN_STATE_PRELAUNCH
);
1784 if (qemu_wakeup_requested()) {
1786 qemu_system_wakeup();
1787 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1788 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1790 qapi_event_send_wakeup();
1792 if (qemu_powerdown_requested()) {
1793 qemu_system_powerdown();
1795 if (qemu_vmstop_requested(&r
)) {
1801 static void main_loop(void)
1803 #ifdef CONFIG_PROFILER
1806 while (!main_loop_should_exit()) {
1807 #ifdef CONFIG_PROFILER
1808 ti
= profile_getclock();
1810 main_loop_wait(false);
1811 #ifdef CONFIG_PROFILER
1812 dev_time
+= profile_getclock() - ti
;
1817 static void version(void)
1819 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1820 QEMU_COPYRIGHT
"\n");
1823 static void help(int exitcode
)
1826 printf("usage: %s [options] [disk_image]\n\n"
1827 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1828 error_get_progname());
1830 #define QEMU_OPTIONS_GENERATE_HELP
1831 #include "qemu-options-wrapper.h"
1833 printf("\nDuring emulation, the following keys are useful:\n"
1834 "ctrl-alt-f toggle full screen\n"
1835 "ctrl-alt-n switch to virtual console 'n'\n"
1836 "ctrl-alt toggle mouse and keyboard grab\n"
1838 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1840 QEMU_HELP_BOTTOM
"\n");
1845 #define HAS_ARG 0x0001
1847 typedef struct QEMUOption
{
1854 static const QEMUOption qemu_options
[] = {
1855 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1856 #define QEMU_OPTIONS_GENERATE_OPTIONS
1857 #include "qemu-options-wrapper.h"
1861 typedef struct VGAInterfaceInfo
{
1862 const char *opt_name
; /* option name */
1863 const char *name
; /* human-readable name */
1864 /* Class names indicating that support is available.
1865 * If no class is specified, the interface is always available */
1866 const char *class_names
[2];
1869 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1872 .name
= "no graphic card",
1876 .name
= "standard VGA",
1877 .class_names
= { "VGA", "isa-vga" },
1880 .opt_name
= "cirrus",
1881 .name
= "Cirrus VGA",
1882 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1885 .opt_name
= "vmware",
1886 .name
= "VMWare SVGA",
1887 .class_names
= { "vmware-svga" },
1890 .opt_name
= "virtio",
1891 .name
= "Virtio VGA",
1892 .class_names
= { "virtio-vga" },
1897 .class_names
= { "qxl-vga" },
1901 .name
= "TCX framebuffer",
1902 .class_names
= { "SUNW,tcx" },
1906 .name
= "CG3 framebuffer",
1907 .class_names
= { "cgthree" },
1910 .opt_name
= "xenfb",
1911 .name
= "Xen paravirtualized framebuffer",
1915 static bool vga_interface_available(VGAInterfaceType t
)
1917 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1919 assert(t
< VGA_TYPE_MAX
);
1920 return !ti
->class_names
[0] ||
1921 object_class_by_name(ti
->class_names
[0]) ||
1922 object_class_by_name(ti
->class_names
[1]);
1926 get_default_vga_model(const MachineClass
*machine_class
)
1928 if (machine_class
->default_display
) {
1929 return machine_class
->default_display
;
1930 } else if (vga_interface_available(VGA_CIRRUS
)) {
1932 } else if (vga_interface_available(VGA_STD
)) {
1939 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
1944 if (g_str_equal(p
, "help")) {
1945 const char *def
= get_default_vga_model(machine_class
);
1947 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1948 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1950 if (vga_interface_available(t
) && ti
->opt_name
) {
1951 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
1952 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
1958 assert(vga_interface_type
== VGA_NONE
);
1959 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1960 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1961 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1962 if (!vga_interface_available(t
)) {
1963 error_report("%s not available", ti
->name
);
1966 vga_interface_type
= t
;
1970 if (t
== VGA_TYPE_MAX
) {
1972 error_report("unknown vga type: %s", p
);
1976 const char *nextopt
;
1978 if (strstart(opts
, ",retrace=", &nextopt
)) {
1980 if (strstart(opts
, "dumb", &nextopt
))
1981 vga_retrace_method
= VGA_RETRACE_DUMB
;
1982 else if (strstart(opts
, "precise", &nextopt
))
1983 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1984 else goto invalid_vga
;
1985 } else goto invalid_vga
;
1990 static void parse_display_qapi(const char *optarg
)
1992 DisplayOptions
*opts
;
1995 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
1997 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
1998 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
2000 qapi_free_DisplayOptions(opts
);
2004 DisplayOptions
*qmp_query_display_options(Error
**errp
)
2006 return QAPI_CLONE(DisplayOptions
, &dpy
);
2009 static void parse_display(const char *p
)
2013 if (strstart(p
, "sdl", &opts
)) {
2015 * sdl DisplayType needs hand-crafted parser instead of
2016 * parse_display_qapi() due to some options not in
2017 * DisplayOptions, specifically:
2019 * Already deprecated.
2020 * - ctrl_grab + alt_grab
2021 * Not clear yet what happens to them long-term. Should
2022 * replaced by something better or deprecated and dropped.
2024 dpy
.type
= DISPLAY_TYPE_SDL
;
2026 const char *nextopt
;
2028 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2030 if (strstart(opts
, "on", &nextopt
)) {
2032 } else if (strstart(opts
, "off", &nextopt
)) {
2035 goto invalid_sdl_args
;
2037 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2039 if (strstart(opts
, "on", &nextopt
)) {
2041 } else if (strstart(opts
, "off", &nextopt
)) {
2044 goto invalid_sdl_args
;
2046 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2048 dpy
.has_window_close
= true;
2049 if (strstart(opts
, "on", &nextopt
)) {
2050 dpy
.window_close
= true;
2051 } else if (strstart(opts
, "off", &nextopt
)) {
2052 dpy
.window_close
= false;
2054 goto invalid_sdl_args
;
2056 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2059 if (strstart(opts
, "on", &nextopt
)) {
2060 dpy
.gl
= DISPLAYGL_MODE_ON
;
2061 } else if (strstart(opts
, "core", &nextopt
)) {
2062 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2063 } else if (strstart(opts
, "es", &nextopt
)) {
2064 dpy
.gl
= DISPLAYGL_MODE_ES
;
2065 } else if (strstart(opts
, "off", &nextopt
)) {
2066 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2068 goto invalid_sdl_args
;
2072 error_report("invalid SDL option string");
2077 } else if (strstart(p
, "vnc", &opts
)) {
2079 * vnc isn't a (local) DisplayType but a protocol for remote
2083 vnc_parse(opts
+ 1, &error_fatal
);
2085 error_report("VNC requires a display argument vnc=<display>");
2089 parse_display_qapi(p
);
2093 char *qemu_find_file(int type
, const char *name
)
2099 /* Try the name as a straight path first */
2100 if (access(name
, R_OK
) == 0) {
2101 trace_load_file(name
, name
);
2102 return g_strdup(name
);
2106 case QEMU_FILE_TYPE_BIOS
:
2109 case QEMU_FILE_TYPE_KEYMAP
:
2110 subdir
= "keymaps/";
2116 for (i
= 0; i
< data_dir_idx
; i
++) {
2117 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2118 if (access(buf
, R_OK
) == 0) {
2119 trace_load_file(name
, buf
);
2127 static void qemu_add_data_dir(const char *path
)
2134 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2137 for (i
= 0; i
< data_dir_idx
; i
++) {
2138 if (strcmp(data_dir
[i
], path
) == 0) {
2139 return; /* duplicate */
2142 data_dir
[data_dir_idx
++] = g_strdup(path
);
2145 static inline bool nonempty_str(const char *str
)
2150 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2154 const char *name
, *file
, *str
;
2155 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2157 if (fw_cfg
== NULL
) {
2158 error_setg(errp
, "fw_cfg device not available");
2161 name
= qemu_opt_get(opts
, "name");
2162 file
= qemu_opt_get(opts
, "file");
2163 str
= qemu_opt_get(opts
, "string");
2165 /* we need name and either a file or the content string */
2166 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2167 error_setg(errp
, "invalid argument(s)");
2170 if (nonempty_str(file
) && nonempty_str(str
)) {
2171 error_setg(errp
, "file and string are mutually exclusive");
2174 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2175 error_setg(errp
, "name too long (max. %d char)",
2176 FW_CFG_MAX_FILE_PATH
- 1);
2179 if (strncmp(name
, "opt/", 4) != 0) {
2180 warn_report("externally provided fw_cfg item names "
2181 "should be prefixed with \"opt/\"");
2183 if (nonempty_str(str
)) {
2184 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2185 buf
= g_memdup(str
, size
);
2188 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
2189 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
2194 /* For legacy, keep user files in a specific global order. */
2195 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2196 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2197 fw_cfg_reset_order_override(fw_cfg
);
2201 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2203 return qdev_device_help(opts
);
2206 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2210 dev
= qdev_device_add(opts
, errp
);
2214 object_unref(OBJECT(dev
));
2218 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2220 Error
*local_err
= NULL
;
2222 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
2224 error_propagate(errp
, local_err
);
2232 #ifdef CONFIG_VIRTFS
2233 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2235 return qemu_fsdev_add(opts
, errp
);
2239 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2243 bool pretty
= false;
2244 const char *chardev
;
2247 mode
= qemu_opt_get(opts
, "mode");
2251 if (strcmp(mode
, "readline") == 0) {
2253 } else if (strcmp(mode
, "control") == 0) {
2256 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2260 if (!qmp
&& qemu_opt_get(opts
, "pretty")) {
2261 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2262 "and will be removed in future versions");
2264 if (qemu_opt_get_bool(opts
, "pretty", 0)) {
2268 chardev
= qemu_opt_get(opts
, "chardev");
2270 error_report("chardev is required");
2273 chr
= qemu_chr_find(chardev
);
2275 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2280 monitor_init_qmp(chr
, pretty
);
2282 monitor_init_hmp(chr
, true);
2287 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2289 static int monitor_device_index
= 0;
2294 if (strstart(optarg
, "chardev:", &p
)) {
2295 snprintf(label
, sizeof(label
), "%s", p
);
2297 snprintf(label
, sizeof(label
), "compat_monitor%d",
2298 monitor_device_index
);
2299 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2301 error_report("parse error: %s", optarg
);
2306 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2307 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2308 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2309 if (!strcmp(mode
, "control")) {
2310 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2312 assert(pretty
== false);
2314 monitor_device_index
++;
2317 struct device_config
{
2319 DEV_USB
, /* -usbdevice */
2321 DEV_SERIAL
, /* -serial */
2322 DEV_PARALLEL
, /* -parallel */
2323 DEV_DEBUGCON
, /* -debugcon */
2324 DEV_GDB
, /* -gdb, -s */
2325 DEV_SCLP
, /* s390 sclp */
2327 const char *cmdline
;
2329 QTAILQ_ENTRY(device_config
) next
;
2332 static QTAILQ_HEAD(, device_config
) device_configs
=
2333 QTAILQ_HEAD_INITIALIZER(device_configs
);
2335 static void add_device_config(int type
, const char *cmdline
)
2337 struct device_config
*conf
;
2339 conf
= g_malloc0(sizeof(*conf
));
2341 conf
->cmdline
= cmdline
;
2342 loc_save(&conf
->loc
);
2343 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2346 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2348 struct device_config
*conf
;
2351 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2352 if (conf
->type
!= type
)
2354 loc_push_restore(&conf
->loc
);
2355 rc
= func(conf
->cmdline
);
2356 loc_pop(&conf
->loc
);
2364 static int serial_parse(const char *devname
)
2366 int index
= num_serial_hds
;
2369 if (strcmp(devname
, "none") == 0)
2371 snprintf(label
, sizeof(label
), "serial%d", index
);
2372 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2374 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2375 if (!serial_hds
[index
]) {
2376 error_report("could not connect serial device"
2377 " to character backend '%s'", devname
);
2384 Chardev
*serial_hd(int i
)
2387 if (i
< num_serial_hds
) {
2388 return serial_hds
[i
];
2393 int serial_max_hds(void)
2395 return num_serial_hds
;
2398 static int parallel_parse(const char *devname
)
2400 static int index
= 0;
2403 if (strcmp(devname
, "none") == 0)
2405 if (index
== MAX_PARALLEL_PORTS
) {
2406 error_report("too many parallel ports");
2409 snprintf(label
, sizeof(label
), "parallel%d", index
);
2410 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2411 if (!parallel_hds
[index
]) {
2412 error_report("could not connect parallel device"
2413 " to character backend '%s'", devname
);
2420 static int debugcon_parse(const char *devname
)
2424 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
2425 error_report("invalid character backend '%s'", devname
);
2428 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2430 error_report("already have a debugcon device");
2433 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2434 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2438 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2440 const MachineClass
*mc1
= a
, *mc2
= b
;
2443 if (mc1
->family
== NULL
) {
2444 if (mc2
->family
== NULL
) {
2445 /* Compare standalone machine types against each other; they sort
2446 * in increasing order.
2448 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2449 object_class_get_name(OBJECT_CLASS(mc2
)));
2452 /* Standalone machine types sort after families. */
2456 if (mc2
->family
== NULL
) {
2457 /* Families sort before standalone machine types. */
2461 /* Families sort between each other alphabetically increasingly. */
2462 res
= strcmp(mc1
->family
, mc2
->family
);
2467 /* Within the same family, machine types sort in decreasing order. */
2468 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2469 object_class_get_name(OBJECT_CLASS(mc1
)));
2472 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
2477 if (is_help_option(name
)) {
2478 printf("Supported machines are:\n");
2479 machines
= g_slist_sort(machines
, machine_class_cmp
);
2480 for (el
= machines
; el
; el
= el
->next
) {
2481 MachineClass
*mc
= el
->data
;
2483 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2485 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2486 mc
->is_default
? " (default)" : "",
2487 mc
->deprecation_reason
? " (deprecated)" : "");
2492 mc
= find_machine(name
, machines
);
2494 error_report("unsupported machine type");
2495 error_printf("Use -machine help to list supported machines\n");
2501 void qemu_add_exit_notifier(Notifier
*notify
)
2503 notifier_list_add(&exit_notifiers
, notify
);
2506 void qemu_remove_exit_notifier(Notifier
*notify
)
2508 notifier_remove(notify
);
2511 static void qemu_run_exit_notifiers(void)
2513 notifier_list_notify(&exit_notifiers
, NULL
);
2516 static const char *pid_file
;
2517 static Notifier qemu_unlink_pidfile_notifier
;
2519 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2526 bool machine_init_done
;
2528 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2530 notifier_list_add(&machine_init_done_notifiers
, notify
);
2531 if (machine_init_done
) {
2532 notify
->notify(notify
, NULL
);
2536 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2538 notifier_remove(notify
);
2541 static void qemu_run_machine_init_done_notifiers(void)
2543 machine_init_done
= true;
2544 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2547 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2548 const char **poptarg
, int *poptind
)
2550 const QEMUOption
*popt
;
2551 int optind
= *poptind
;
2552 char *r
= argv
[optind
];
2555 loc_set_cmdline(argv
, optind
, 1);
2557 /* Treat --foo the same as -foo. */
2560 popt
= qemu_options
;
2563 error_report("invalid option");
2566 if (!strcmp(popt
->name
, r
+ 1))
2570 if (popt
->flags
& HAS_ARG
) {
2571 if (optind
>= argc
) {
2572 error_report("requires an argument");
2575 optarg
= argv
[optind
++];
2576 loc_set_cmdline(argv
, optind
- 2, 2);
2587 static MachineClass
*select_machine(void)
2589 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
2590 MachineClass
*machine_class
= find_default_machine(machines
);
2595 loc_push_none(&loc
);
2597 opts
= qemu_get_machine_opts();
2598 qemu_opts_loc_restore(opts
);
2600 optarg
= qemu_opt_get(opts
, "type");
2602 machine_class
= machine_parse(optarg
, machines
);
2605 if (!machine_class
) {
2606 error_report("No machine specified, and there is no default");
2607 error_printf("Use -machine help to list supported machines\n");
2612 g_slist_free(machines
);
2613 return machine_class
;
2616 static int machine_set_property(void *opaque
,
2617 const char *name
, const char *value
,
2620 Object
*obj
= OBJECT(opaque
);
2621 Error
*local_err
= NULL
;
2624 if (strcmp(name
, "type") == 0) {
2628 qom_name
= g_strdup(name
);
2629 for (p
= qom_name
; *p
; p
++) {
2635 object_property_parse(obj
, value
, qom_name
, &local_err
);
2639 error_propagate(errp
, local_err
);
2648 * Initial object creation happens before all other
2649 * QEMU data types are created. The majority of objects
2650 * can be created at this point. The rng-egd object
2651 * cannot be created here, as it depends on the chardev
2654 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2656 if (user_creatable_print_help(type
, opts
)) {
2661 * Objects should not be made "delayed" without a reason. If you
2662 * add one, state the reason in a comment!
2665 /* Reason: rng-egd property "chardev" */
2666 if (g_str_equal(type
, "rng-egd")) {
2670 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2671 /* Reason: cryptodev-vhost-user property "chardev" */
2672 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2678 * Reason: filter-* property "netdev" etc.
2680 if (g_str_equal(type
, "filter-buffer") ||
2681 g_str_equal(type
, "filter-dump") ||
2682 g_str_equal(type
, "filter-mirror") ||
2683 g_str_equal(type
, "filter-redirector") ||
2684 g_str_equal(type
, "colo-compare") ||
2685 g_str_equal(type
, "filter-rewriter") ||
2686 g_str_equal(type
, "filter-replay")) {
2690 /* Memory allocation by backends needs to be done
2691 * after configure_accelerator() (due to the tcg_enabled()
2692 * checks at memory_region_init_*()).
2694 * Also, allocation of large amounts of memory may delay
2695 * chardev initialization for too long, and trigger timeouts
2696 * on software that waits for a monitor socket to be created
2699 if (g_str_has_prefix(type
, "memory-backend-")) {
2708 * The remainder of object creation happens after the
2709 * creation of chardev, fsdev, net clients and device data types.
2711 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2713 return !object_create_initial(type
, opts
);
2717 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2721 const char *mem_str
;
2722 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2723 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2726 loc_push_none(&loc
);
2727 qemu_opts_loc_restore(opts
);
2730 mem_str
= qemu_opt_get(opts
, "size");
2733 error_report("missing 'size' option value");
2737 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2739 /* Fix up legacy suffix-less format */
2740 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2741 uint64_t overflow_check
= sz
;
2744 if (sz
/ MiB
!= overflow_check
) {
2745 error_report("too large 'size' option value");
2751 /* backward compatibility behaviour for case "-m 0" */
2753 sz
= default_ram_size
;
2756 sz
= QEMU_ALIGN_UP(sz
, 8192);
2758 if (ram_size
!= sz
) {
2759 error_report("ram size too large");
2763 /* store value for the future use */
2764 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2765 *maxram_size
= ram_size
;
2767 if (qemu_opt_get(opts
, "maxmem")) {
2770 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2771 slots
= qemu_opt_get_number(opts
, "slots", 0);
2772 if (sz
< ram_size
) {
2773 error_report("invalid value of -m option maxmem: "
2774 "maximum memory size (0x%" PRIx64
") must be at least "
2775 "the initial memory size (0x" RAM_ADDR_FMT
")",
2778 } else if (slots
&& sz
== ram_size
) {
2779 error_report("invalid value of -m option maxmem: "
2780 "memory slots were specified but maximum memory size "
2781 "(0x%" PRIx64
") is equal to the initial memory size "
2782 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2788 } else if (qemu_opt_get(opts
, "slots")) {
2789 error_report("invalid -m option value: missing 'maxmem' option");
2796 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2800 g
= g_malloc0(sizeof(*g
));
2801 g
->driver
= qemu_opt_get(opts
, "driver");
2802 g
->property
= qemu_opt_get(opts
, "property");
2803 g
->value
= qemu_opt_get(opts
, "value");
2804 qdev_prop_register_global(g
);
2808 static int qemu_read_default_config_file(void)
2812 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2813 if (ret
< 0 && ret
!= -ENOENT
) {
2820 static void user_register_global_props(void)
2822 qemu_opts_foreach(qemu_find_opts("global"),
2823 global_init_func
, NULL
, NULL
);
2826 int main(int argc
, char **argv
, char **envp
)
2829 int snapshot
, linux_boot
;
2830 const char *initrd_filename
;
2831 const char *kernel_filename
, *kernel_cmdline
;
2832 const char *boot_order
= NULL
;
2833 const char *boot_once
= NULL
;
2835 QemuOpts
*opts
, *machine_opts
;
2836 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2837 QemuOptsList
*olist
;
2840 const char *loadvm
= NULL
;
2841 MachineClass
*machine_class
;
2842 const char *cpu_option
;
2843 const char *vga_model
= NULL
;
2844 const char *qtest_chrdev
= NULL
;
2845 const char *qtest_log
= NULL
;
2846 const char *incoming
= NULL
;
2847 bool userconfig
= true;
2848 bool nographic
= false;
2849 int display_remote
= 0;
2850 const char *log_mask
= NULL
;
2851 const char *log_file
= NULL
;
2852 char *trace_file
= NULL
;
2853 ram_addr_t maxram_size
;
2854 uint64_t ram_slots
= 0;
2855 FILE *vmstate_dump_file
= NULL
;
2856 Error
*main_loop_err
= NULL
;
2858 bool list_data_dirs
= false;
2860 BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
2861 QemuPluginList plugin_list
= QTAILQ_HEAD_INITIALIZER(plugin_list
);
2863 os_set_line_buffering();
2865 error_init(argv
[0]);
2866 module_call_init(MODULE_INIT_TRACE
);
2868 qemu_init_cpu_list();
2869 qemu_init_cpu_loop();
2871 qemu_mutex_lock_iothread();
2873 atexit(qemu_run_exit_notifiers
);
2874 qemu_init_exec_dir(argv
[0]);
2876 module_call_init(MODULE_INIT_QOM
);
2878 qemu_add_opts(&qemu_drive_opts
);
2879 qemu_add_drive_opts(&qemu_legacy_drive_opts
);
2880 qemu_add_drive_opts(&qemu_common_drive_opts
);
2881 qemu_add_drive_opts(&qemu_drive_opts
);
2882 qemu_add_drive_opts(&bdrv_runtime_opts
);
2883 qemu_add_opts(&qemu_chardev_opts
);
2884 qemu_add_opts(&qemu_device_opts
);
2885 qemu_add_opts(&qemu_netdev_opts
);
2886 qemu_add_opts(&qemu_nic_opts
);
2887 qemu_add_opts(&qemu_net_opts
);
2888 qemu_add_opts(&qemu_rtc_opts
);
2889 qemu_add_opts(&qemu_global_opts
);
2890 qemu_add_opts(&qemu_mon_opts
);
2891 qemu_add_opts(&qemu_trace_opts
);
2892 qemu_plugin_add_opts();
2893 qemu_add_opts(&qemu_option_rom_opts
);
2894 qemu_add_opts(&qemu_machine_opts
);
2895 qemu_add_opts(&qemu_accel_opts
);
2896 qemu_add_opts(&qemu_mem_opts
);
2897 qemu_add_opts(&qemu_smp_opts
);
2898 qemu_add_opts(&qemu_boot_opts
);
2899 qemu_add_opts(&qemu_add_fd_opts
);
2900 qemu_add_opts(&qemu_object_opts
);
2901 qemu_add_opts(&qemu_tpmdev_opts
);
2902 qemu_add_opts(&qemu_realtime_opts
);
2903 qemu_add_opts(&qemu_overcommit_opts
);
2904 qemu_add_opts(&qemu_msg_opts
);
2905 qemu_add_opts(&qemu_name_opts
);
2906 qemu_add_opts(&qemu_numa_opts
);
2907 qemu_add_opts(&qemu_icount_opts
);
2908 qemu_add_opts(&qemu_semihosting_config_opts
);
2909 qemu_add_opts(&qemu_fw_cfg_opts
);
2910 module_call_init(MODULE_INIT_OPTS
);
2913 precopy_infrastructure_init();
2914 postcopy_infrastructure_init();
2915 monitor_init_globals();
2917 if (qcrypto_init(&err
) < 0) {
2918 error_reportf_err(err
, "cannot initialize crypto: ");
2922 QTAILQ_INIT(&vm_change_state_head
);
2923 os_setup_early_signal_handling();
2930 bdrv_init_with_whitelist();
2934 /* first pass of option parsing */
2936 while (optind
< argc
) {
2937 if (argv
[optind
][0] != '-') {
2941 const QEMUOption
*popt
;
2943 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2944 switch (popt
->index
) {
2945 case QEMU_OPTION_nouserconfig
:
2953 if (qemu_read_default_config_file() < 0) {
2958 /* second pass of option parsing */
2963 if (argv
[optind
][0] != '-') {
2964 loc_set_cmdline(argv
, optind
, 1);
2965 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2967 const QEMUOption
*popt
;
2969 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2970 if (!(popt
->arch_mask
& arch_type
)) {
2971 error_report("Option not supported for this target");
2974 switch(popt
->index
) {
2975 case QEMU_OPTION_cpu
:
2976 /* hw initialization will check this */
2977 cpu_option
= optarg
;
2979 case QEMU_OPTION_hda
:
2980 case QEMU_OPTION_hdb
:
2981 case QEMU_OPTION_hdc
:
2982 case QEMU_OPTION_hdd
:
2983 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2986 case QEMU_OPTION_blockdev
:
2989 BlockdevOptionsQueueEntry
*bdo
;
2991 v
= qobject_input_visitor_new_str(optarg
, "driver",
2994 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
2995 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
2998 loc_save(&bdo
->loc
);
2999 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3002 case QEMU_OPTION_drive
:
3003 if (drive_def(optarg
) == NULL
) {
3007 case QEMU_OPTION_set
:
3008 if (qemu_set_option(optarg
) != 0)
3011 case QEMU_OPTION_global
:
3012 if (qemu_global_option(optarg
) != 0)
3015 case QEMU_OPTION_mtdblock
:
3016 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3018 case QEMU_OPTION_sd
:
3019 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3021 case QEMU_OPTION_pflash
:
3022 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3024 case QEMU_OPTION_snapshot
:
3026 Error
*blocker
= NULL
;
3028 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
3030 replay_add_blocker(blocker
);
3033 case QEMU_OPTION_numa
:
3034 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3040 case QEMU_OPTION_display
:
3041 parse_display(optarg
);
3043 case QEMU_OPTION_nographic
:
3044 olist
= qemu_find_opts("machine");
3045 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3047 dpy
.type
= DISPLAY_TYPE_NONE
;
3049 case QEMU_OPTION_curses
:
3050 #ifdef CONFIG_CURSES
3051 dpy
.type
= DISPLAY_TYPE_CURSES
;
3053 error_report("curses or iconv support is disabled");
3057 case QEMU_OPTION_portrait
:
3058 graphic_rotate
= 90;
3060 case QEMU_OPTION_rotate
:
3061 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3062 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3063 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3064 error_report("only 90, 180, 270 deg rotation is available");
3068 case QEMU_OPTION_kernel
:
3069 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3072 case QEMU_OPTION_initrd
:
3073 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3076 case QEMU_OPTION_append
:
3077 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3080 case QEMU_OPTION_dtb
:
3081 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3084 case QEMU_OPTION_cdrom
:
3085 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3087 case QEMU_OPTION_boot
:
3088 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3094 case QEMU_OPTION_fda
:
3095 case QEMU_OPTION_fdb
:
3096 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3099 case QEMU_OPTION_no_fd_bootchk
:
3102 case QEMU_OPTION_netdev
:
3104 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3108 case QEMU_OPTION_nic
:
3110 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3114 case QEMU_OPTION_net
:
3116 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3120 #ifdef CONFIG_LIBISCSI
3121 case QEMU_OPTION_iscsi
:
3122 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3129 case QEMU_OPTION_bt
:
3130 warn_report("The bluetooth subsystem is deprecated and will "
3131 "be removed soon. If the bluetooth subsystem is "
3132 "still useful for you, please send a mail to "
3133 "qemu-devel@nongnu.org with your usecase.");
3134 add_device_config(DEV_BT
, optarg
);
3136 case QEMU_OPTION_audio_help
:
3137 audio_legacy_help();
3140 case QEMU_OPTION_audiodev
:
3141 audio_parse_option(optarg
);
3143 case QEMU_OPTION_soundhw
:
3144 select_soundhw (optarg
);
3149 case QEMU_OPTION_version
:
3154 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3161 case QEMU_OPTION_tpmdev
:
3162 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3167 case QEMU_OPTION_mempath
:
3170 case QEMU_OPTION_mem_prealloc
:
3179 case QEMU_OPTION_DFILTER
:
3180 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3182 case QEMU_OPTION_seed
:
3183 qemu_guest_random_seed_main(optarg
, &error_fatal
);
3186 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3188 case QEMU_OPTION_gdb
:
3189 add_device_config(DEV_GDB
, optarg
);
3192 if (is_help_option(optarg
)) {
3193 list_data_dirs
= true;
3195 qemu_add_data_dir(optarg
);
3198 case QEMU_OPTION_bios
:
3199 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3202 case QEMU_OPTION_singlestep
:
3209 keyboard_layout
= optarg
;
3211 case QEMU_OPTION_vga
:
3220 w
= strtol(p
, (char **)&p
, 10);
3223 error_report("invalid resolution or depth");
3229 h
= strtol(p
, (char **)&p
, 10);
3234 depth
= strtol(p
, (char **)&p
, 10);
3235 if (depth
!= 8 && depth
!= 15 && depth
!= 16 &&
3236 depth
!= 24 && depth
!= 32)
3238 } else if (*p
== '\0') {
3239 depth
= graphic_depth
;
3246 graphic_depth
= depth
;
3249 case QEMU_OPTION_echr
:
3252 term_escape_char
= strtol(optarg
, &r
, 0);
3254 printf("Bad argument to echr\n");
3257 case QEMU_OPTION_monitor
:
3258 default_monitor
= 0;
3259 if (strncmp(optarg
, "none", 4)) {
3260 monitor_parse(optarg
, "readline", false);
3263 case QEMU_OPTION_qmp
:
3264 monitor_parse(optarg
, "control", false);
3265 default_monitor
= 0;
3267 case QEMU_OPTION_qmp_pretty
:
3268 monitor_parse(optarg
, "control", true);
3269 default_monitor
= 0;
3271 case QEMU_OPTION_mon
:
3272 opts
= qemu_opts_parse_noisily(qemu_find_opts("mon"), optarg
,
3277 default_monitor
= 0;
3279 case QEMU_OPTION_chardev
:
3280 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
3286 case QEMU_OPTION_fsdev
:
3287 olist
= qemu_find_opts("fsdev");
3289 error_report("fsdev support is disabled");
3292 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3297 case QEMU_OPTION_virtfs
: {
3300 const char *writeout
, *sock_fd
, *socket
, *path
, *security_model
,
3303 olist
= qemu_find_opts("virtfs");
3305 error_report("virtfs support is disabled");
3308 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3313 if (qemu_opt_get(opts
, "fsdriver") == NULL
||
3314 qemu_opt_get(opts
, "mount_tag") == NULL
) {
3315 error_report("Usage: -virtfs fsdriver,mount_tag=tag");
3318 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"),
3319 qemu_opts_id(opts
) ?:
3320 qemu_opt_get(opts
, "mount_tag"),
3323 error_report("duplicate or invalid fsdev id: %s",
3324 qemu_opt_get(opts
, "mount_tag"));
3328 writeout
= qemu_opt_get(opts
, "writeout");
3330 #ifdef CONFIG_SYNC_FILE_RANGE
3331 qemu_opt_set(fsdev
, "writeout", writeout
, &error_abort
);
3333 error_report("writeout=immediate not supported "
3334 "on this platform");
3338 qemu_opt_set(fsdev
, "fsdriver",
3339 qemu_opt_get(opts
, "fsdriver"), &error_abort
);
3340 path
= qemu_opt_get(opts
, "path");
3342 qemu_opt_set(fsdev
, "path", path
, &error_abort
);
3344 security_model
= qemu_opt_get(opts
, "security_model");
3345 if (security_model
) {
3346 qemu_opt_set(fsdev
, "security_model", security_model
,
3349 socket
= qemu_opt_get(opts
, "socket");
3351 qemu_opt_set(fsdev
, "socket", socket
, &error_abort
);
3353 sock_fd
= qemu_opt_get(opts
, "sock_fd");
3355 qemu_opt_set(fsdev
, "sock_fd", sock_fd
, &error_abort
);
3358 qemu_opt_set_bool(fsdev
, "readonly",
3359 qemu_opt_get_bool(opts
, "readonly", 0),
3361 multidevs
= qemu_opt_get(opts
, "multidevs");
3363 qemu_opt_set(fsdev
, "multidevs", multidevs
, &error_abort
);
3365 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3367 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3368 qemu_opt_set(device
, "fsdev",
3369 qemu_opts_id(fsdev
), &error_abort
);
3370 qemu_opt_set(device
, "mount_tag",
3371 qemu_opt_get(opts
, "mount_tag"), &error_abort
);
3374 case QEMU_OPTION_virtfs_synth
: {
3378 warn_report("'-virtfs_synth' is deprecated, please use "
3379 "'-fsdev synth' and '-device virtio-9p-...' "
3382 fsdev
= qemu_opts_create(qemu_find_opts("fsdev"), "v_synth",
3385 error_report("duplicate option: %s", "virtfs_synth");
3388 qemu_opt_set(fsdev
, "fsdriver", "synth", &error_abort
);
3390 device
= qemu_opts_create(qemu_find_opts("device"), NULL
, 0,
3392 qemu_opt_set(device
, "driver", "virtio-9p-pci", &error_abort
);
3393 qemu_opt_set(device
, "fsdev", "v_synth", &error_abort
);
3394 qemu_opt_set(device
, "mount_tag", "v_synth", &error_abort
);
3397 case QEMU_OPTION_serial
:
3398 add_device_config(DEV_SERIAL
, optarg
);
3400 if (strncmp(optarg
, "mon:", 4) == 0) {
3401 default_monitor
= 0;
3404 case QEMU_OPTION_watchdog
:
3406 error_report("only one watchdog option may be given");
3411 case QEMU_OPTION_watchdog_action
:
3412 if (select_watchdog_action(optarg
) == -1) {
3413 error_report("unknown -watchdog-action parameter");
3417 case QEMU_OPTION_parallel
:
3418 add_device_config(DEV_PARALLEL
, optarg
);
3419 default_parallel
= 0;
3420 if (strncmp(optarg
, "mon:", 4) == 0) {
3421 default_monitor
= 0;
3424 case QEMU_OPTION_debugcon
:
3425 add_device_config(DEV_DEBUGCON
, optarg
);
3427 case QEMU_OPTION_loadvm
:
3430 case QEMU_OPTION_full_screen
:
3431 dpy
.has_full_screen
= true;
3432 dpy
.full_screen
= true;
3434 case QEMU_OPTION_alt_grab
:
3437 case QEMU_OPTION_ctrl_grab
:
3440 case QEMU_OPTION_no_quit
:
3441 dpy
.has_window_close
= true;
3442 dpy
.window_close
= false;
3444 case QEMU_OPTION_sdl
:
3446 dpy
.type
= DISPLAY_TYPE_SDL
;
3449 error_report("SDL support is disabled");
3452 case QEMU_OPTION_pidfile
:
3455 case QEMU_OPTION_win2k_hack
:
3456 win2k_install_hack
= 1;
3458 case QEMU_OPTION_acpitable
:
3459 opts
= qemu_opts_parse_noisily(qemu_find_opts("acpi"),
3464 acpi_table_add(opts
, &error_fatal
);
3466 case QEMU_OPTION_smbios
:
3467 opts
= qemu_opts_parse_noisily(qemu_find_opts("smbios"),
3472 smbios_entry_add(opts
, &error_fatal
);
3474 case QEMU_OPTION_fwcfg
:
3475 opts
= qemu_opts_parse_noisily(qemu_find_opts("fw_cfg"),
3481 case QEMU_OPTION_preconfig
:
3482 preconfig_exit_requested
= false;
3484 case QEMU_OPTION_enable_kvm
:
3485 olist
= qemu_find_opts("machine");
3486 qemu_opts_parse_noisily(olist
, "accel=kvm", false);
3489 case QEMU_OPTION_machine
:
3490 olist
= qemu_find_opts("machine");
3491 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3496 case QEMU_OPTION_no_kvm
:
3497 olist
= qemu_find_opts("machine");
3498 qemu_opts_parse_noisily(olist
, "accel=tcg", false);
3500 case QEMU_OPTION_accel
:
3501 accel_opts
= qemu_opts_parse_noisily(qemu_find_opts("accel"),
3503 optarg
= qemu_opt_get(accel_opts
, "accel");
3504 if (!optarg
|| is_help_option(optarg
)) {
3505 printf("Accelerators supported in QEMU binary:\n");
3506 GSList
*el
, *accel_list
= object_class_get_list(TYPE_ACCEL
,
3508 for (el
= accel_list
; el
; el
= el
->next
) {
3509 gchar
*typename
= g_strdup(object_class_get_name(
3510 OBJECT_CLASS(el
->data
)));
3511 /* omit qtest which is used for tests only */
3512 if (g_strcmp0(typename
, ACCEL_CLASS_NAME("qtest")) &&
3513 g_str_has_suffix(typename
, ACCEL_CLASS_SUFFIX
)) {
3514 gchar
**optname
= g_strsplit(typename
,
3515 ACCEL_CLASS_SUFFIX
, 0);
3516 printf("%s\n", optname
[0]);
3521 g_slist_free(accel_list
);
3524 if (optarg
&& strchr(optarg
, ':')) {
3525 error_report("Don't use ':' with -accel, "
3526 "use -M accel=... for now instead");
3529 opts
= qemu_opts_create(qemu_find_opts("machine"), NULL
,
3530 false, &error_abort
);
3531 qemu_opt_set(opts
, "accel", optarg
, &error_abort
);
3533 case QEMU_OPTION_usb
:
3534 olist
= qemu_find_opts("machine");
3535 qemu_opts_parse_noisily(olist
, "usb=on", false);
3537 case QEMU_OPTION_usbdevice
:
3538 error_report("'-usbdevice' is deprecated, please use "
3539 "'-device usb-...' instead");
3540 olist
= qemu_find_opts("machine");
3541 qemu_opts_parse_noisily(olist
, "usb=on", false);
3542 add_device_config(DEV_USB
, optarg
);
3544 case QEMU_OPTION_device
:
3545 if (!qemu_opts_parse_noisily(qemu_find_opts("device"),
3550 case QEMU_OPTION_smp
:
3551 if (!qemu_opts_parse_noisily(qemu_find_opts("smp-opts"),
3556 case QEMU_OPTION_vnc
:
3557 vnc_parse(optarg
, &error_fatal
);
3559 case QEMU_OPTION_no_acpi
:
3562 case QEMU_OPTION_no_hpet
:
3565 case QEMU_OPTION_no_reboot
:
3568 case QEMU_OPTION_no_shutdown
:
3571 case QEMU_OPTION_show_cursor
:
3574 case QEMU_OPTION_uuid
:
3575 if (qemu_uuid_parse(optarg
, &qemu_uuid
) < 0) {
3576 error_report("failed to parse UUID string: wrong format");
3579 qemu_uuid_set
= true;
3581 case QEMU_OPTION_option_rom
:
3582 if (nb_option_roms
>= MAX_OPTION_ROMS
) {
3583 error_report("too many option ROMs");
3586 opts
= qemu_opts_parse_noisily(qemu_find_opts("option-rom"),
3591 option_rom
[nb_option_roms
].name
= qemu_opt_get(opts
, "romfile");
3592 option_rom
[nb_option_roms
].bootindex
=
3593 qemu_opt_get_number(opts
, "bootindex", -1);
3594 if (!option_rom
[nb_option_roms
].name
) {
3595 error_report("Option ROM file is not specified");
3600 case QEMU_OPTION_semihosting
:
3601 qemu_semihosting_enable();
3603 case QEMU_OPTION_semihosting_config
:
3604 if (qemu_semihosting_config_options(optarg
) != 0) {
3608 case QEMU_OPTION_name
:
3609 opts
= qemu_opts_parse_noisily(qemu_find_opts("name"),
3615 case QEMU_OPTION_prom_env
:
3616 if (nb_prom_envs
>= MAX_PROM_ENVS
) {
3617 error_report("too many prom variables");
3620 prom_envs
[nb_prom_envs
] = optarg
;
3623 case QEMU_OPTION_old_param
:
3626 case QEMU_OPTION_rtc
:
3627 opts
= qemu_opts_parse_noisily(qemu_find_opts("rtc"), optarg
,
3633 case QEMU_OPTION_tb_size
:
3635 error_report("TCG is disabled");
3638 if (qemu_strtoul(optarg
, NULL
, 0, &tcg_tb_size
) < 0) {
3639 error_report("Invalid argument to -tb-size");
3643 case QEMU_OPTION_icount
:
3644 icount_opts
= qemu_opts_parse_noisily(qemu_find_opts("icount"),
3650 case QEMU_OPTION_incoming
:
3652 runstate_set(RUN_STATE_INMIGRATE
);
3656 case QEMU_OPTION_only_migratable
:
3657 only_migratable
= 1;
3659 case QEMU_OPTION_nodefaults
:
3662 case QEMU_OPTION_xen_domid
:
3663 if (!(xen_available())) {
3664 error_report("Option not supported for this target");
3667 xen_domid
= atoi(optarg
);
3669 case QEMU_OPTION_xen_attach
:
3670 if (!(xen_available())) {
3671 error_report("Option not supported for this target");
3674 xen_mode
= XEN_ATTACH
;
3676 case QEMU_OPTION_xen_domid_restrict
:
3677 if (!(xen_available())) {
3678 error_report("Option not supported for this target");
3681 xen_domid_restrict
= true;
3683 case QEMU_OPTION_trace
:
3685 trace_file
= trace_opt_parse(optarg
);
3687 case QEMU_OPTION_plugin
:
3688 qemu_plugin_opt_parse(optarg
, &plugin_list
);
3690 case QEMU_OPTION_readconfig
:
3692 int ret
= qemu_read_config_file(optarg
);
3694 error_report("read config %s: %s", optarg
,
3700 case QEMU_OPTION_spice
:
3701 olist
= qemu_find_opts("spice");
3703 error_report("spice support is disabled");
3706 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3712 case QEMU_OPTION_writeconfig
:
3715 if (strcmp(optarg
, "-") == 0) {
3718 fp
= fopen(optarg
, "w");
3720 error_report("open %s: %s", optarg
,
3725 qemu_config_write(fp
);
3731 case QEMU_OPTION_qtest
:
3732 qtest_chrdev
= optarg
;
3734 case QEMU_OPTION_qtest_log
:
3737 case QEMU_OPTION_sandbox
:
3738 olist
= qemu_find_opts("sandbox");
3740 #ifndef CONFIG_SECCOMP
3741 error_report("-sandbox support is not enabled "
3742 "in this QEMU binary");
3747 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3752 case QEMU_OPTION_add_fd
:
3754 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3760 error_report("File descriptor passing is disabled on this "
3765 case QEMU_OPTION_object
:
3766 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3772 case QEMU_OPTION_realtime
:
3773 warn_report("'-realtime mlock=...' is deprecated, please use "
3774 "'-overcommit mem-lock=...' instead");
3775 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3780 /* Don't override the -overcommit option if set */
3781 enable_mlock
= enable_mlock
||
3782 qemu_opt_get_bool(opts
, "mlock", true);
3784 case QEMU_OPTION_overcommit
:
3785 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3790 /* Don't override the -realtime option if set */
3791 enable_mlock
= enable_mlock
||
3792 qemu_opt_get_bool(opts
, "mem-lock", false);
3793 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3795 case QEMU_OPTION_msg
:
3796 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3801 configure_msg(opts
);
3803 case QEMU_OPTION_dump_vmstate
:
3804 if (vmstate_dump_file
) {
3805 error_report("only one '-dump-vmstate' "
3806 "option may be given");
3809 vmstate_dump_file
= fopen(optarg
, "w");
3810 if (vmstate_dump_file
== NULL
) {
3811 error_report("open %s: %s", optarg
, strerror(errno
));
3815 case QEMU_OPTION_enable_sync_profile
:
3818 case QEMU_OPTION_nouserconfig
:
3819 /* Nothing to be parsed here. Especially, do not error out below. */
3822 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3823 error_report("Option not supported in this build");
3830 * Clear error location left behind by the loop.
3831 * Best done right after the loop. Do not insert code here!
3835 user_register_global_props();
3837 replay_configure(icount_opts
);
3839 if (incoming
&& !preconfig_exit_requested
) {
3840 error_report("'preconfig' and 'incoming' options are "
3841 "mutually exclusive");
3845 configure_rtc(qemu_find_opts_singleton("rtc"));
3847 machine_class
= select_machine();
3848 object_set_machine_compat_props(machine_class
->compat_props
);
3850 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3853 rcu_disable_atfork();
3855 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3856 error_reportf_err(err
, "cannot create PID file: ");
3860 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3861 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3863 if (qemu_init_main_loop(&main_loop_err
)) {
3864 error_report_err(main_loop_err
);
3868 #ifdef CONFIG_SECCOMP
3869 olist
= qemu_find_opts_err("sandbox", NULL
);
3871 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3875 qemu_opts_foreach(qemu_find_opts("name"),
3876 parse_name
, NULL
, &error_fatal
);
3879 qemu_opts_foreach(qemu_find_opts("add-fd"),
3880 parse_add_fd
, NULL
, &error_fatal
);
3882 qemu_opts_foreach(qemu_find_opts("add-fd"),
3883 cleanup_add_fd
, NULL
, &error_fatal
);
3886 current_machine
= MACHINE(object_new(object_class_get_name(
3887 OBJECT_CLASS(machine_class
))));
3888 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3891 object_property_add_child(object_get_root(), "machine",
3892 OBJECT(current_machine
), &error_abort
);
3893 object_property_add_child(container_get(OBJECT(current_machine
),
3895 "sysbus", OBJECT(sysbus_get_default()),
3898 if (machine_class
->minimum_page_bits
) {
3899 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3900 /* This would be a board error: specifying a minimum smaller than
3901 * a target's compile-time fixed setting.
3903 g_assert_not_reached();
3907 cpu_exec_init_all();
3909 if (machine_class
->hw_version
) {
3910 qemu_set_hw_version(machine_class
->hw_version
);
3913 if (cpu_option
&& is_help_option(cpu_option
)) {
3914 list_cpus(cpu_option
);
3918 if (!trace_init_backends()) {
3921 trace_init_file(trace_file
);
3923 /* Open the logfile at this point and set the log mask if necessary.
3926 qemu_set_log_filename(log_file
, &error_fatal
);
3931 mask
= qemu_str_to_log_mask(log_mask
);
3933 qemu_print_log_usage(stdout
);
3941 /* add configured firmware directories */
3942 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
3943 for (i
= 0; dirs
[i
] != NULL
; i
++) {
3944 qemu_add_data_dir(dirs
[i
]);
3948 /* try to find datadir relative to the executable path */
3949 dir
= os_find_datadir();
3950 qemu_add_data_dir(dir
);
3953 /* add the datadir specified when building */
3954 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
3956 /* -L help lists the data directories and exits. */
3957 if (list_data_dirs
) {
3958 for (i
= 0; i
< data_dir_idx
; i
++) {
3959 printf("%s\n", data_dir
[i
]);
3964 /* machine_class: default to UP */
3965 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
3966 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
3967 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
3969 /* default to machine_class->default_cpus */
3970 current_machine
->smp
.cpus
= machine_class
->default_cpus
;
3971 current_machine
->smp
.max_cpus
= machine_class
->default_cpus
;
3972 current_machine
->smp
.cores
= 1;
3973 current_machine
->smp
.threads
= 1;
3975 machine_class
->smp_parse(current_machine
,
3976 qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3978 /* sanity-check smp_cpus and max_cpus against machine_class */
3979 if (current_machine
->smp
.cpus
< machine_class
->min_cpus
) {
3980 error_report("Invalid SMP CPUs %d. The min CPUs "
3981 "supported by machine '%s' is %d",
3982 current_machine
->smp
.cpus
,
3983 machine_class
->name
, machine_class
->min_cpus
);
3986 if (current_machine
->smp
.max_cpus
> machine_class
->max_cpus
) {
3987 error_report("Invalid SMP CPUs %d. The max CPUs "
3988 "supported by machine '%s' is %d",
3989 current_machine
->smp
.max_cpus
,
3990 machine_class
->name
, machine_class
->max_cpus
);
3995 * Get the default machine options from the machine if it is not already
3996 * specified either by the configuration file or by the command line.
3998 if (machine_class
->default_machine_opts
) {
3999 qemu_opts_set_defaults(qemu_find_opts("machine"),
4000 machine_class
->default_machine_opts
, 0);
4003 /* process plugin before CPUs are created, but once -smp has been parsed */
4004 if (qemu_plugin_load_list(&plugin_list
)) {
4008 qemu_opts_foreach(qemu_find_opts("device"),
4009 default_driver_check
, NULL
, NULL
);
4010 qemu_opts_foreach(qemu_find_opts("global"),
4011 default_driver_check
, NULL
, NULL
);
4013 if (!vga_model
&& !default_vga
) {
4014 vga_interface_type
= VGA_DEVICE
;
4016 if (!has_defaults
|| machine_class
->no_serial
) {
4019 if (!has_defaults
|| machine_class
->no_parallel
) {
4020 default_parallel
= 0;
4022 if (!has_defaults
|| machine_class
->no_floppy
) {
4025 if (!has_defaults
|| machine_class
->no_cdrom
) {
4028 if (!has_defaults
|| machine_class
->no_sdcard
) {
4031 if (!has_defaults
) {
4032 default_monitor
= 0;
4037 if (is_daemonized()) {
4038 if (!preconfig_exit_requested
) {
4039 error_report("'preconfig' and 'daemonize' options are "
4040 "mutually exclusive");
4044 /* According to documentation and historically, -nographic redirects
4045 * serial port, parallel port and monitor to stdio, which does not work
4046 * with -daemonize. We can redirect these to null instead, but since
4047 * -nographic is legacy, let's just error out.
4048 * We disallow -nographic only if all other ports are not redirected
4049 * explicitly, to not break existing legacy setups which uses
4050 * -nographic _and_ redirects all ports explicitly - this is valid
4051 * usage, -nographic is just a no-op in this case.
4054 && (default_parallel
|| default_serial
|| default_monitor
)) {
4055 error_report("-nographic cannot be used with -daemonize");
4058 #ifdef CONFIG_CURSES
4059 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4060 error_report("curses display cannot be used with -daemonize");
4067 if (default_parallel
)
4068 add_device_config(DEV_PARALLEL
, "null");
4069 if (default_serial
&& default_monitor
) {
4070 add_device_config(DEV_SERIAL
, "mon:stdio");
4073 add_device_config(DEV_SERIAL
, "stdio");
4074 if (default_monitor
)
4075 monitor_parse("stdio", "readline", false);
4079 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4080 if (default_parallel
)
4081 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4082 if (default_monitor
)
4083 monitor_parse("vc:80Cx24C", "readline", false);
4086 #if defined(CONFIG_VNC)
4087 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4091 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4092 if (!qemu_display_find_default(&dpy
)) {
4093 dpy
.type
= DISPLAY_TYPE_NONE
;
4094 #if defined(CONFIG_VNC)
4095 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4099 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4100 dpy
.type
= DISPLAY_TYPE_NONE
;
4103 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4104 error_report("-alt-grab and -ctrl-grab are only valid "
4105 "for SDL, ignoring option");
4107 if (dpy
.has_window_close
&&
4108 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4109 error_report("-no-quit is only valid for GTK and SDL, "
4113 qemu_display_early_init(&dpy
);
4114 qemu_console_early_init();
4116 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4117 #if defined(CONFIG_OPENGL)
4118 error_report("OpenGL is not supported by the display");
4120 error_report("OpenGL support is disabled");
4128 qemu_opts_foreach(qemu_find_opts("object"),
4129 user_creatable_add_opts_foreach
,
4130 object_create_initial
, &error_fatal
);
4132 qemu_opts_foreach(qemu_find_opts("chardev"),
4133 chardev_init_func
, NULL
, &error_fatal
);
4134 /* now chardevs have been created we may have semihosting to connect */
4135 qemu_semihosting_connect_chardevs();
4137 #ifdef CONFIG_VIRTFS
4138 qemu_opts_foreach(qemu_find_opts("fsdev"),
4139 fsdev_init_func
, NULL
, &error_fatal
);
4142 if (qemu_opts_foreach(qemu_find_opts("device"),
4143 device_help_func
, NULL
, NULL
)) {
4148 * Note: we need to create block backends before
4149 * machine_set_property(), so machine properties can refer to
4152 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
4154 machine_opts
= qemu_get_machine_opts();
4155 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4157 current_machine
->ram_size
= ram_size
;
4158 current_machine
->maxram_size
= maxram_size
;
4159 current_machine
->ram_slots
= ram_slots
;
4162 * Note: uses machine properties such as kernel-irqchip, must run
4163 * after machine_set_property().
4165 configure_accelerator(current_machine
, argv
[0]);
4168 * Beware, QOM objects created before this point miss global and
4169 * compat properties.
4171 * Global properties get set up by qdev_prop_register_global(),
4172 * called from user_register_global_props(), and certain option
4173 * desugaring. Also in CPU feature desugaring (buried in
4174 * parse_cpu_option()), which happens below this point, but may
4175 * only target the CPU type, which can only be created after
4176 * parse_cpu_option() returned the type.
4178 * Machine compat properties: object_set_machine_compat_props().
4179 * Accelerator compat props: object_set_accelerator_compat_props(),
4180 * called from configure_accelerator().
4183 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4184 error_report("Machine type '%s' is deprecated: %s",
4185 machine_class
->name
, machine_class
->deprecation_reason
);
4189 * Note: creates a QOM object, must run only after global and
4190 * compat properties have been set up.
4192 migration_object_init();
4195 qtest_server_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4198 machine_opts
= qemu_get_machine_opts();
4199 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4200 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4201 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4202 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4204 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4206 boot_order
= qemu_opt_get(opts
, "order");
4208 validate_bootdevices(boot_order
, &error_fatal
);
4211 boot_once
= qemu_opt_get(opts
, "once");
4213 validate_bootdevices(boot_once
, &error_fatal
);
4216 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4217 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4221 boot_order
= machine_class
->default_boot_order
;
4224 if (!kernel_cmdline
) {
4225 kernel_cmdline
= "";
4226 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4229 linux_boot
= (kernel_filename
!= NULL
);
4231 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4232 error_report("-append only allowed with -kernel option");
4236 if (!linux_boot
&& initrd_filename
!= NULL
) {
4237 error_report("-initrd only allowed with -kernel option");
4241 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4242 /* fall back to the -kernel/-append */
4243 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4246 /* spice needs the timers to be initialized by this point */
4251 if (!tcg_enabled()) {
4252 error_report("-icount is not allowed with hardware virtualization");
4255 configure_icount(icount_opts
, &error_abort
);
4256 qemu_opts_del(icount_opts
);
4259 if (tcg_enabled()) {
4260 qemu_tcg_configure(accel_opts
, &error_fatal
);
4264 QemuOptsList
*net
= qemu_find_opts("net");
4265 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4267 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4271 if (net_init_clients(&err
) < 0) {
4272 error_report_err(err
);
4276 qemu_opts_foreach(qemu_find_opts("object"),
4277 user_creatable_add_opts_foreach
,
4278 object_create_delayed
, &error_fatal
);
4282 /* init the bluetooth world */
4283 if (foreach_device_config(DEV_BT
, bt_parse
))
4286 if (!xen_enabled()) {
4287 /* On 32-bit hosts, QEMU is limited by virtual address space */
4288 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4289 error_report("at most 2047 MB RAM can be simulated");
4296 dirty_bitmap_mig_init();
4298 qemu_opts_foreach(qemu_find_opts("mon"),
4299 mon_init_func
, NULL
, &error_fatal
);
4301 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4303 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4305 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4308 /* If no default VGA is requested, the default is "none". */
4310 vga_model
= get_default_vga_model(machine_class
);
4313 select_vgahw(machine_class
, vga_model
);
4317 i
= select_watchdog(watchdog
);
4319 exit (i
== 1 ? 1 : 0);
4322 /* This checkpoint is required by replay to separate prior clock
4323 reading from the other reads, because timer polling functions query
4324 clock values from the log. */
4325 replay_checkpoint(CHECKPOINT_INIT
);
4326 qdev_machine_init();
4328 current_machine
->boot_order
= boot_order
;
4330 /* parse features once if machine provides default cpu_type */
4331 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4333 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
4335 parse_numa_opts(current_machine
);
4337 /* do monitor/qmp handling at preconfig state if requested */
4340 audio_init_audiodevs();
4342 /* from here on runstate is RUN_STATE_PRELAUNCH */
4343 machine_run_board_init(current_machine
);
4349 if (hax_enabled()) {
4353 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4354 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4356 /* init USB devices */
4357 if (machine_usb(current_machine
)) {
4358 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4362 /* Check if IGD GFX passthrough. */
4365 /* init generic devices */
4366 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4367 qemu_opts_foreach(qemu_find_opts("device"),
4368 device_init_func
, NULL
, &error_fatal
);
4370 cpu_synchronize_all_post_init();
4372 rom_reset_order_override();
4374 /* Did we create any drives that we failed to create a device for? */
4375 drive_check_orphaned();
4377 /* Don't warn about the default network setup that you get if
4378 * no command line -net or -netdev options are specified. There
4379 * are two cases that we would otherwise complain about:
4380 * (1) board doesn't support a NIC but the implicit "-net nic"
4382 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4383 * sets up a nic that isn't connected to anything.
4385 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4386 net_check_clients();
4390 qemu_boot_set(boot_once
, &error_fatal
);
4391 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4394 /* init local displays */
4395 ds
= init_displaystate();
4396 qemu_display_init(ds
, &dpy
);
4398 /* must be after terminal init, SDL library changes signal handlers */
4399 os_setup_signal_handling();
4401 /* init remote displays */
4403 qemu_opts_foreach(qemu_find_opts("vnc"),
4404 vnc_init_func
, NULL
, &error_fatal
);
4408 qemu_spice_display_init();
4411 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4415 qdev_machine_creation_done();
4417 /* TODO: once all bus devices are qdevified, this should be done
4418 * when bus is created by qdev.c */
4419 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4420 qemu_run_machine_init_done_notifiers();
4422 if (rom_check_and_register_reset() != 0) {
4423 error_report("rom check and register reset failed");
4429 /* This checkpoint is required by replay to separate prior clock
4430 reading from the other reads, because timer polling functions query
4431 clock values from the log. */
4432 replay_checkpoint(CHECKPOINT_RESET
);
4433 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4434 register_global_state();
4436 Error
*local_err
= NULL
;
4437 if (load_snapshot(loadvm
, &local_err
) < 0) {
4438 error_report_err(local_err
);
4443 if (replay_mode
!= REPLAY_MODE_NONE
) {
4444 replay_vmstate_init();
4447 qdev_prop_check_globals();
4448 if (vmstate_dump_file
) {
4450 dump_vmstate_json_to_file(vmstate_dump_file
);
4455 Error
*local_err
= NULL
;
4456 qemu_start_incoming_migration(incoming
, &local_err
);
4458 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4461 } else if (autostart
) {
4465 accel_setup_post(current_machine
);
4470 gdbserver_cleanup();
4473 * cleaning up the migration object cancels any existing migration
4474 * try to do this early so that it also stops using devices.
4476 migration_shutdown();
4479 * We must cancel all block jobs while the block layer is drained,
4480 * or cancelling will be affected by throttling and thus may block
4481 * for an extended period of time.
4482 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4483 * it in the drained section.
4484 * We do not need to end this section, because we do not want any
4485 * requests happening from here on anyway.
4487 bdrv_drain_all_begin();
4489 /* No more vcpu or device emulation activity beyond this point */
4493 job_cancel_sync_all();
4498 /* vhost-user must be cleaned up before chardevs. */
4504 user_creatable_cleanup();
4505 /* TODO: unref root container, check all devices are ok */