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/queue.h"
114 #include "sysemu/arch_init.h"
116 #include "ui/qemu-spice.h"
117 #include "qapi/string-input-visitor.h"
118 #include "qapi/opts-visitor.h"
119 #include "qapi/clone-visitor.h"
120 #include "qom/object_interfaces.h"
121 #include "hw/semihosting/semihost.h"
122 #include "crypto/init.h"
123 #include "sysemu/replay.h"
124 #include "qapi/qapi-events-run-state.h"
125 #include "qapi/qapi-visit-block-core.h"
126 #include "qapi/qapi-visit-ui.h"
127 #include "qapi/qapi-commands-block-core.h"
128 #include "qapi/qapi-commands-run-state.h"
129 #include "qapi/qapi-commands-ui.h"
130 #include "qapi/qmp/qerror.h"
131 #include "sysemu/iothread.h"
132 #include "qemu/guest-random.h"
134 #define MAX_VIRTIO_CONSOLES 1
136 static const char *data_dir
[16];
137 static int data_dir_idx
;
138 const char *bios_name
= NULL
;
139 enum vga_retrace_method vga_retrace_method
= VGA_RETRACE_DUMB
;
141 const char* keyboard_layout
= NULL
;
143 const char *mem_path
= NULL
;
144 int mem_prealloc
= 0; /* force preallocation of physical target memory */
145 bool enable_mlock
= false;
146 bool enable_cpu_pm
= false;
148 NICInfo nd_table
[MAX_NICS
];
154 } rtc_base_type
= RTC_BASE_UTC
;
155 static time_t rtc_ref_start_datetime
;
156 static int rtc_realtime_clock_offset
; /* used only with QEMU_CLOCK_REALTIME */
157 static int rtc_host_datetime_offset
= -1; /* valid & used only with
159 QEMUClockType rtc_clock
;
160 int vga_interface_type
= VGA_NONE
;
161 static DisplayOptions dpy
;
162 static int num_serial_hds
;
163 static Chardev
**serial_hds
;
164 Chardev
*parallel_hds
[MAX_PARALLEL_PORTS
];
165 int win2k_install_hack
= 0;
167 int acpi_enabled
= 1;
170 static int no_reboot
;
173 int graphic_rotate
= 0;
174 const char *watchdog
;
175 QEMUOptionRom option_rom
[MAX_OPTION_ROMS
];
178 const char *qemu_name
;
181 unsigned int nb_prom_envs
= 0;
182 const char *prom_envs
[MAX_PROM_ENVS
];
185 uint8_t *boot_splash_filedata
;
186 int only_migratable
; /* turn it off unless user states otherwise */
187 bool wakeup_suspend_enabled
;
189 int icount_align_option
;
191 /* The bytes in qemu_uuid are in the order specified by RFC4122, _not_ in the
192 * little-endian "wire format" described in the SMBIOS 2.6 specification.
197 static NotifierList exit_notifiers
=
198 NOTIFIER_LIST_INITIALIZER(exit_notifiers
);
200 static NotifierList machine_init_done_notifiers
=
201 NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers
);
205 enum xen_mode xen_mode
= XEN_EMULATE
;
206 bool xen_domid_restrict
;
208 static int has_defaults
= 1;
209 static int default_serial
= 1;
210 static int default_parallel
= 1;
211 static int default_monitor
= 1;
212 static int default_floppy
= 1;
213 static int default_cdrom
= 1;
214 static int default_sdcard
= 1;
215 static int default_vga
= 1;
216 static int default_net
= 1;
222 { .driver
= "isa-serial", .flag
= &default_serial
},
223 { .driver
= "isa-parallel", .flag
= &default_parallel
},
224 { .driver
= "isa-fdc", .flag
= &default_floppy
},
225 { .driver
= "floppy", .flag
= &default_floppy
},
226 { .driver
= "ide-cd", .flag
= &default_cdrom
},
227 { .driver
= "ide-hd", .flag
= &default_cdrom
},
228 { .driver
= "ide-drive", .flag
= &default_cdrom
},
229 { .driver
= "scsi-cd", .flag
= &default_cdrom
},
230 { .driver
= "scsi-hd", .flag
= &default_cdrom
},
231 { .driver
= "VGA", .flag
= &default_vga
},
232 { .driver
= "isa-vga", .flag
= &default_vga
},
233 { .driver
= "cirrus-vga", .flag
= &default_vga
},
234 { .driver
= "isa-cirrus-vga", .flag
= &default_vga
},
235 { .driver
= "vmware-svga", .flag
= &default_vga
},
236 { .driver
= "qxl-vga", .flag
= &default_vga
},
237 { .driver
= "virtio-vga", .flag
= &default_vga
},
238 { .driver
= "ati-vga", .flag
= &default_vga
},
239 { .driver
= "vhost-user-vga", .flag
= &default_vga
},
242 static QemuOptsList qemu_rtc_opts
= {
244 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
249 .type
= QEMU_OPT_STRING
,
252 .type
= QEMU_OPT_STRING
,
255 .type
= QEMU_OPT_STRING
,
257 { /* end of list */ }
261 static QemuOptsList qemu_option_rom_opts
= {
262 .name
= "option-rom",
263 .implied_opt_name
= "romfile",
264 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
268 .type
= QEMU_OPT_NUMBER
,
271 .type
= QEMU_OPT_STRING
,
273 { /* end of list */ }
277 static QemuOptsList qemu_machine_opts
= {
279 .implied_opt_name
= "type",
281 .head
= QTAILQ_HEAD_INITIALIZER(qemu_machine_opts
.head
),
284 * no elements => accept any
285 * sanity checking will happen later
286 * when setting machine properties
292 static QemuOptsList qemu_accel_opts
= {
294 .implied_opt_name
= "accel",
295 .head
= QTAILQ_HEAD_INITIALIZER(qemu_accel_opts
.head
),
300 .type
= QEMU_OPT_STRING
,
301 .help
= "Select the type of accelerator",
305 .type
= QEMU_OPT_STRING
,
306 .help
= "Enable/disable multi-threaded TCG",
308 { /* end of list */ }
312 static QemuOptsList qemu_boot_opts
= {
314 .implied_opt_name
= "order",
316 .head
= QTAILQ_HEAD_INITIALIZER(qemu_boot_opts
.head
),
320 .type
= QEMU_OPT_STRING
,
323 .type
= QEMU_OPT_STRING
,
326 .type
= QEMU_OPT_BOOL
,
329 .type
= QEMU_OPT_STRING
,
331 .name
= "splash-time",
332 .type
= QEMU_OPT_NUMBER
,
334 .name
= "reboot-timeout",
335 .type
= QEMU_OPT_NUMBER
,
338 .type
= QEMU_OPT_BOOL
,
344 static QemuOptsList qemu_add_fd_opts
= {
346 .head
= QTAILQ_HEAD_INITIALIZER(qemu_add_fd_opts
.head
),
350 .type
= QEMU_OPT_NUMBER
,
351 .help
= "file descriptor of which a duplicate is added to fd set",
354 .type
= QEMU_OPT_NUMBER
,
355 .help
= "ID of the fd set to add fd to",
358 .type
= QEMU_OPT_STRING
,
359 .help
= "free-form string used to describe fd",
361 { /* end of list */ }
365 static QemuOptsList qemu_object_opts
= {
367 .implied_opt_name
= "qom-type",
368 .head
= QTAILQ_HEAD_INITIALIZER(qemu_object_opts
.head
),
374 static QemuOptsList qemu_tpmdev_opts
= {
376 .implied_opt_name
= "type",
377 .head
= QTAILQ_HEAD_INITIALIZER(qemu_tpmdev_opts
.head
),
379 /* options are defined in the TPM backends */
380 { /* end of list */ }
384 static QemuOptsList qemu_realtime_opts
= {
386 .head
= QTAILQ_HEAD_INITIALIZER(qemu_realtime_opts
.head
),
390 .type
= QEMU_OPT_BOOL
,
392 { /* end of list */ }
396 static QemuOptsList qemu_overcommit_opts
= {
397 .name
= "overcommit",
398 .head
= QTAILQ_HEAD_INITIALIZER(qemu_overcommit_opts
.head
),
402 .type
= QEMU_OPT_BOOL
,
406 .type
= QEMU_OPT_BOOL
,
408 { /* end of list */ }
412 static QemuOptsList qemu_msg_opts
= {
414 .head
= QTAILQ_HEAD_INITIALIZER(qemu_msg_opts
.head
),
418 .type
= QEMU_OPT_BOOL
,
420 { /* end of list */ }
424 static QemuOptsList qemu_name_opts
= {
426 .implied_opt_name
= "guest",
428 .head
= QTAILQ_HEAD_INITIALIZER(qemu_name_opts
.head
),
432 .type
= QEMU_OPT_STRING
,
433 .help
= "Sets the name of the guest.\n"
434 "This name will be displayed in the SDL window caption.\n"
435 "The name will also be used for the VNC server",
438 .type
= QEMU_OPT_STRING
,
439 .help
= "Sets the name of the QEMU process, as shown in top etc",
441 .name
= "debug-threads",
442 .type
= QEMU_OPT_BOOL
,
443 .help
= "When enabled, name the individual threads; defaults off.\n"
444 "NOTE: The thread names are for debugging and not a\n"
447 { /* End of list */ }
451 static QemuOptsList qemu_mem_opts
= {
453 .implied_opt_name
= "size",
454 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mem_opts
.head
),
459 .type
= QEMU_OPT_SIZE
,
463 .type
= QEMU_OPT_NUMBER
,
467 .type
= QEMU_OPT_SIZE
,
469 { /* end of list */ }
473 static QemuOptsList qemu_icount_opts
= {
475 .implied_opt_name
= "shift",
477 .head
= QTAILQ_HEAD_INITIALIZER(qemu_icount_opts
.head
),
481 .type
= QEMU_OPT_STRING
,
484 .type
= QEMU_OPT_BOOL
,
487 .type
= QEMU_OPT_BOOL
,
490 .type
= QEMU_OPT_STRING
,
493 .type
= QEMU_OPT_STRING
,
495 .name
= "rrsnapshot",
496 .type
= QEMU_OPT_STRING
,
498 { /* end of list */ }
502 static QemuOptsList qemu_fw_cfg_opts
= {
504 .implied_opt_name
= "name",
505 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fw_cfg_opts
.head
),
509 .type
= QEMU_OPT_STRING
,
510 .help
= "Sets the fw_cfg name of the blob to be inserted",
513 .type
= QEMU_OPT_STRING
,
514 .help
= "Sets the name of the file from which "
515 "the fw_cfg blob will be loaded",
518 .type
= QEMU_OPT_STRING
,
519 .help
= "Sets content of the blob to be inserted from a string",
521 { /* end of list */ }
526 * Get machine options
528 * Returns: machine options (never null).
530 QemuOpts
*qemu_get_machine_opts(void)
532 return qemu_find_opts_singleton("machine");
535 const char *qemu_get_vm_name(void)
540 static void res_free(void)
542 g_free(boot_splash_filedata
);
543 boot_splash_filedata
= NULL
;
546 static int default_driver_check(void *opaque
, QemuOpts
*opts
, Error
**errp
)
548 const char *driver
= qemu_opt_get(opts
, "driver");
553 for (i
= 0; i
< ARRAY_SIZE(default_list
); i
++) {
554 if (strcmp(default_list
[i
].driver
, driver
) != 0)
556 *(default_list
[i
].flag
) = 0;
561 /***********************************************************/
564 static RunState current_run_state
= RUN_STATE_PRECONFIG
;
566 /* We use RUN_STATE__MAX but any invalid value will do */
567 static RunState vmstop_requested
= RUN_STATE__MAX
;
568 static QemuMutex vmstop_lock
;
573 } RunStateTransition
;
575 static const RunStateTransition runstate_transitions_def
[] = {
577 { RUN_STATE_PRECONFIG
, RUN_STATE_PRELAUNCH
},
578 /* Early switch to inmigrate state to allow -incoming CLI option work
579 * as it used to. TODO: delay actual switching to inmigrate state to
580 * the point after machine is built and remove this hack.
582 { RUN_STATE_PRECONFIG
, RUN_STATE_INMIGRATE
},
584 { RUN_STATE_DEBUG
, RUN_STATE_RUNNING
},
585 { RUN_STATE_DEBUG
, RUN_STATE_FINISH_MIGRATE
},
586 { RUN_STATE_DEBUG
, RUN_STATE_PRELAUNCH
},
588 { RUN_STATE_INMIGRATE
, RUN_STATE_INTERNAL_ERROR
},
589 { RUN_STATE_INMIGRATE
, RUN_STATE_IO_ERROR
},
590 { RUN_STATE_INMIGRATE
, RUN_STATE_PAUSED
},
591 { RUN_STATE_INMIGRATE
, RUN_STATE_RUNNING
},
592 { RUN_STATE_INMIGRATE
, RUN_STATE_SHUTDOWN
},
593 { RUN_STATE_INMIGRATE
, RUN_STATE_SUSPENDED
},
594 { RUN_STATE_INMIGRATE
, RUN_STATE_WATCHDOG
},
595 { RUN_STATE_INMIGRATE
, RUN_STATE_GUEST_PANICKED
},
596 { RUN_STATE_INMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
597 { RUN_STATE_INMIGRATE
, RUN_STATE_PRELAUNCH
},
598 { RUN_STATE_INMIGRATE
, RUN_STATE_POSTMIGRATE
},
599 { RUN_STATE_INMIGRATE
, RUN_STATE_COLO
},
601 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PAUSED
},
602 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_FINISH_MIGRATE
},
603 { RUN_STATE_INTERNAL_ERROR
, RUN_STATE_PRELAUNCH
},
605 { RUN_STATE_IO_ERROR
, RUN_STATE_RUNNING
},
606 { RUN_STATE_IO_ERROR
, RUN_STATE_FINISH_MIGRATE
},
607 { RUN_STATE_IO_ERROR
, RUN_STATE_PRELAUNCH
},
609 { RUN_STATE_PAUSED
, RUN_STATE_RUNNING
},
610 { RUN_STATE_PAUSED
, RUN_STATE_FINISH_MIGRATE
},
611 { RUN_STATE_PAUSED
, RUN_STATE_POSTMIGRATE
},
612 { RUN_STATE_PAUSED
, RUN_STATE_PRELAUNCH
},
613 { RUN_STATE_PAUSED
, RUN_STATE_COLO
},
615 { RUN_STATE_POSTMIGRATE
, RUN_STATE_RUNNING
},
616 { RUN_STATE_POSTMIGRATE
, RUN_STATE_FINISH_MIGRATE
},
617 { RUN_STATE_POSTMIGRATE
, RUN_STATE_PRELAUNCH
},
619 { RUN_STATE_PRELAUNCH
, RUN_STATE_RUNNING
},
620 { RUN_STATE_PRELAUNCH
, RUN_STATE_FINISH_MIGRATE
},
621 { RUN_STATE_PRELAUNCH
, RUN_STATE_INMIGRATE
},
623 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_RUNNING
},
624 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PAUSED
},
625 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_POSTMIGRATE
},
626 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_PRELAUNCH
},
627 { RUN_STATE_FINISH_MIGRATE
, RUN_STATE_COLO
},
629 { RUN_STATE_RESTORE_VM
, RUN_STATE_RUNNING
},
630 { RUN_STATE_RESTORE_VM
, RUN_STATE_PRELAUNCH
},
632 { RUN_STATE_COLO
, RUN_STATE_RUNNING
},
634 { RUN_STATE_RUNNING
, RUN_STATE_DEBUG
},
635 { RUN_STATE_RUNNING
, RUN_STATE_INTERNAL_ERROR
},
636 { RUN_STATE_RUNNING
, RUN_STATE_IO_ERROR
},
637 { RUN_STATE_RUNNING
, RUN_STATE_PAUSED
},
638 { RUN_STATE_RUNNING
, RUN_STATE_FINISH_MIGRATE
},
639 { RUN_STATE_RUNNING
, RUN_STATE_RESTORE_VM
},
640 { RUN_STATE_RUNNING
, RUN_STATE_SAVE_VM
},
641 { RUN_STATE_RUNNING
, RUN_STATE_SHUTDOWN
},
642 { RUN_STATE_RUNNING
, RUN_STATE_WATCHDOG
},
643 { RUN_STATE_RUNNING
, RUN_STATE_GUEST_PANICKED
},
644 { RUN_STATE_RUNNING
, RUN_STATE_COLO
},
646 { RUN_STATE_SAVE_VM
, RUN_STATE_RUNNING
},
648 { RUN_STATE_SHUTDOWN
, RUN_STATE_PAUSED
},
649 { RUN_STATE_SHUTDOWN
, RUN_STATE_FINISH_MIGRATE
},
650 { RUN_STATE_SHUTDOWN
, RUN_STATE_PRELAUNCH
},
652 { RUN_STATE_DEBUG
, RUN_STATE_SUSPENDED
},
653 { RUN_STATE_RUNNING
, RUN_STATE_SUSPENDED
},
654 { RUN_STATE_SUSPENDED
, RUN_STATE_RUNNING
},
655 { RUN_STATE_SUSPENDED
, RUN_STATE_FINISH_MIGRATE
},
656 { RUN_STATE_SUSPENDED
, RUN_STATE_PRELAUNCH
},
657 { RUN_STATE_SUSPENDED
, RUN_STATE_COLO
},
659 { RUN_STATE_WATCHDOG
, RUN_STATE_RUNNING
},
660 { RUN_STATE_WATCHDOG
, RUN_STATE_FINISH_MIGRATE
},
661 { RUN_STATE_WATCHDOG
, RUN_STATE_PRELAUNCH
},
662 { RUN_STATE_WATCHDOG
, RUN_STATE_COLO
},
664 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_RUNNING
},
665 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_FINISH_MIGRATE
},
666 { RUN_STATE_GUEST_PANICKED
, RUN_STATE_PRELAUNCH
},
668 { RUN_STATE__MAX
, RUN_STATE__MAX
},
671 static bool runstate_valid_transitions
[RUN_STATE__MAX
][RUN_STATE__MAX
];
673 bool runstate_check(RunState state
)
675 return current_run_state
== state
;
678 bool runstate_store(char *str
, size_t size
)
680 const char *state
= RunState_str(current_run_state
);
681 size_t len
= strlen(state
) + 1;
686 memcpy(str
, state
, len
);
690 static void runstate_init(void)
692 const RunStateTransition
*p
;
694 memset(&runstate_valid_transitions
, 0, sizeof(runstate_valid_transitions
));
695 for (p
= &runstate_transitions_def
[0]; p
->from
!= RUN_STATE__MAX
; p
++) {
696 runstate_valid_transitions
[p
->from
][p
->to
] = true;
699 qemu_mutex_init(&vmstop_lock
);
702 /* This function will abort() on invalid state transitions */
703 void runstate_set(RunState new_state
)
705 assert(new_state
< RUN_STATE__MAX
);
707 trace_runstate_set(current_run_state
, RunState_str(current_run_state
),
708 new_state
, RunState_str(new_state
));
710 if (current_run_state
== new_state
) {
714 if (!runstate_valid_transitions
[current_run_state
][new_state
]) {
715 error_report("invalid runstate transition: '%s' -> '%s'",
716 RunState_str(current_run_state
),
717 RunState_str(new_state
));
721 current_run_state
= new_state
;
724 int runstate_is_running(void)
726 return runstate_check(RUN_STATE_RUNNING
);
729 bool runstate_needs_reset(void)
731 return runstate_check(RUN_STATE_INTERNAL_ERROR
) ||
732 runstate_check(RUN_STATE_SHUTDOWN
);
735 StatusInfo
*qmp_query_status(Error
**errp
)
737 StatusInfo
*info
= g_malloc0(sizeof(*info
));
739 info
->running
= runstate_is_running();
740 info
->singlestep
= singlestep
;
741 info
->status
= current_run_state
;
746 bool qemu_vmstop_requested(RunState
*r
)
748 qemu_mutex_lock(&vmstop_lock
);
749 *r
= vmstop_requested
;
750 vmstop_requested
= RUN_STATE__MAX
;
751 qemu_mutex_unlock(&vmstop_lock
);
752 return *r
< RUN_STATE__MAX
;
755 void qemu_system_vmstop_request_prepare(void)
757 qemu_mutex_lock(&vmstop_lock
);
760 void qemu_system_vmstop_request(RunState state
)
762 vmstop_requested
= state
;
763 qemu_mutex_unlock(&vmstop_lock
);
767 /***********************************************************/
768 /* RTC reference time/date access */
769 static time_t qemu_ref_timedate(QEMUClockType clock
)
771 time_t value
= qemu_clock_get_ms(clock
) / 1000;
773 case QEMU_CLOCK_REALTIME
:
774 value
-= rtc_realtime_clock_offset
;
776 case QEMU_CLOCK_VIRTUAL
:
777 value
+= rtc_ref_start_datetime
;
779 case QEMU_CLOCK_HOST
:
780 if (rtc_base_type
== RTC_BASE_DATETIME
) {
781 value
-= rtc_host_datetime_offset
;
790 void qemu_get_timedate(struct tm
*tm
, int offset
)
792 time_t ti
= qemu_ref_timedate(rtc_clock
);
796 switch (rtc_base_type
) {
797 case RTC_BASE_DATETIME
:
801 case RTC_BASE_LOCALTIME
:
802 localtime_r(&ti
, tm
);
807 int qemu_timedate_diff(struct tm
*tm
)
811 switch (rtc_base_type
) {
812 case RTC_BASE_DATETIME
:
814 seconds
= mktimegm(tm
);
816 case RTC_BASE_LOCALTIME
:
819 tmp
.tm_isdst
= -1; /* use timezone to figure it out */
820 seconds
= mktime(&tmp
);
827 return seconds
- qemu_ref_timedate(QEMU_CLOCK_HOST
);
830 static void configure_rtc_base_datetime(const char *startdate
)
832 time_t rtc_start_datetime
;
835 if (sscanf(startdate
, "%d-%d-%dT%d:%d:%d", &tm
.tm_year
, &tm
.tm_mon
,
836 &tm
.tm_mday
, &tm
.tm_hour
, &tm
.tm_min
, &tm
.tm_sec
) == 6) {
838 } else if (sscanf(startdate
, "%d-%d-%d",
839 &tm
.tm_year
, &tm
.tm_mon
, &tm
.tm_mday
) == 3) {
848 rtc_start_datetime
= mktimegm(&tm
);
849 if (rtc_start_datetime
== -1) {
851 error_report("invalid datetime format");
852 error_printf("valid formats: "
853 "'2006-06-17T16:01:21' or '2006-06-17'\n");
856 rtc_host_datetime_offset
= rtc_ref_start_datetime
- rtc_start_datetime
;
857 rtc_ref_start_datetime
= rtc_start_datetime
;
860 static void configure_rtc(QemuOpts
*opts
)
865 rtc_clock
= QEMU_CLOCK_HOST
;
866 rtc_ref_start_datetime
= qemu_clock_get_ms(QEMU_CLOCK_HOST
) / 1000;
867 rtc_realtime_clock_offset
= qemu_clock_get_ms(QEMU_CLOCK_REALTIME
) / 1000;
869 value
= qemu_opt_get(opts
, "base");
871 if (!strcmp(value
, "utc")) {
872 rtc_base_type
= RTC_BASE_UTC
;
873 } else if (!strcmp(value
, "localtime")) {
874 Error
*blocker
= NULL
;
875 rtc_base_type
= RTC_BASE_LOCALTIME
;
876 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
877 "-rtc base=localtime");
878 replay_add_blocker(blocker
);
880 rtc_base_type
= RTC_BASE_DATETIME
;
881 configure_rtc_base_datetime(value
);
884 value
= qemu_opt_get(opts
, "clock");
886 if (!strcmp(value
, "host")) {
887 rtc_clock
= QEMU_CLOCK_HOST
;
888 } else if (!strcmp(value
, "rt")) {
889 rtc_clock
= QEMU_CLOCK_REALTIME
;
890 } else if (!strcmp(value
, "vm")) {
891 rtc_clock
= QEMU_CLOCK_VIRTUAL
;
893 error_report("invalid option value '%s'", value
);
897 value
= qemu_opt_get(opts
, "driftfix");
899 if (!strcmp(value
, "slew")) {
900 static GlobalProperty slew_lost_ticks
= {
901 .driver
= "mc146818rtc",
902 .property
= "lost_tick_policy",
906 qdev_prop_register_global(&slew_lost_ticks
);
907 } else if (!strcmp(value
, "none")) {
908 /* discard is default */
910 error_report("invalid option value '%s'", value
);
916 /***********************************************************/
917 /* Bluetooth support */
920 static struct HCIInfo
*hci_table
[MAX_NICS
];
922 struct HCIInfo
*qemu_next_hci(void)
924 if (cur_hci
== nb_hcis
)
927 return hci_table
[cur_hci
++];
930 static int bt_hci_parse(const char *str
)
935 if (nb_hcis
>= MAX_NICS
) {
936 error_report("too many bluetooth HCIs (max %i)", MAX_NICS
);
949 bdaddr
.b
[5] = 0x56 + nb_hcis
;
950 hci
->bdaddr_set(hci
, bdaddr
.b
);
952 hci_table
[nb_hcis
++] = hci
;
957 static void bt_vhci_add(int vlan_id
)
959 struct bt_scatternet_s
*vlan
= qemu_find_bt_vlan(vlan_id
);
962 warn_report("adding a VHCI to an empty scatternet %i",
965 bt_vhci_init(bt_new_hci(vlan
));
968 static struct bt_device_s
*bt_device_add(const char *opt
)
970 struct bt_scatternet_s
*vlan
;
972 char *endp
= strstr(opt
, ",vlan=");
973 int len
= (endp
? endp
- opt
: strlen(opt
)) + 1;
976 pstrcpy(devname
, MIN(sizeof(devname
), len
), opt
);
979 vlan_id
= strtol(endp
+ 6, &endp
, 0);
981 error_report("unrecognised bluetooth vlan Id");
986 vlan
= qemu_find_bt_vlan(vlan_id
);
989 warn_report("adding a slave device to an empty scatternet %i",
992 if (!strcmp(devname
, "keyboard"))
993 return bt_keyboard_init(vlan
);
995 error_report("unsupported bluetooth device '%s'", devname
);
999 static int bt_parse(const char *opt
)
1001 const char *endp
, *p
;
1004 if (strstart(opt
, "hci", &endp
)) {
1005 if (!*endp
|| *endp
== ',') {
1007 if (!strstart(endp
, ",vlan=", 0))
1010 return bt_hci_parse(opt
);
1012 } else if (strstart(opt
, "vhci", &endp
)) {
1013 if (!*endp
|| *endp
== ',') {
1015 if (strstart(endp
, ",vlan=", &p
)) {
1016 vlan
= strtol(p
, (char **) &endp
, 0);
1018 error_report("bad scatternet '%s'", p
);
1022 error_report("bad parameter '%s'", endp
+ 1);
1031 } else if (strstart(opt
, "device:", &endp
))
1032 return !bt_device_add(endp
);
1034 error_report("bad bluetooth parameter '%s'", opt
);
1038 static int parse_name(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1040 const char *proc_name
;
1042 if (qemu_opt_get(opts
, "debug-threads")) {
1043 qemu_thread_naming(qemu_opt_get_bool(opts
, "debug-threads", false));
1045 qemu_name
= qemu_opt_get(opts
, "guest");
1047 proc_name
= qemu_opt_get(opts
, "process");
1049 os_set_proc_name(proc_name
);
1055 bool defaults_enabled(void)
1057 return has_defaults
;
1061 static int parse_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1063 int fd
, dupfd
, flags
;
1065 const char *fd_opaque
= NULL
;
1068 fd
= qemu_opt_get_number(opts
, "fd", -1);
1069 fdset_id
= qemu_opt_get_number(opts
, "set", -1);
1070 fd_opaque
= qemu_opt_get(opts
, "opaque");
1073 error_setg(errp
, "fd option is required and must be non-negative");
1077 if (fd
<= STDERR_FILENO
) {
1078 error_setg(errp
, "fd cannot be a standard I/O stream");
1083 * All fds inherited across exec() necessarily have FD_CLOEXEC
1084 * clear, while qemu sets FD_CLOEXEC on all other fds used internally.
1086 flags
= fcntl(fd
, F_GETFD
);
1087 if (flags
== -1 || (flags
& FD_CLOEXEC
)) {
1088 error_setg(errp
, "fd is not valid or already in use");
1093 error_setg(errp
, "set option is required and must be non-negative");
1097 #ifdef F_DUPFD_CLOEXEC
1098 dupfd
= fcntl(fd
, F_DUPFD_CLOEXEC
, 0);
1102 qemu_set_cloexec(dupfd
);
1106 error_setg(errp
, "error duplicating fd: %s", strerror(errno
));
1110 /* add the duplicate fd, and optionally the opaque string, to the fd set */
1111 fdinfo
= monitor_fdset_add_fd(dupfd
, true, fdset_id
, !!fd_opaque
, fd_opaque
,
1118 static int cleanup_add_fd(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1122 fd
= qemu_opt_get_number(opts
, "fd", -1);
1129 /***********************************************************/
1130 /* QEMU Block devices */
1132 #define HD_OPTS "media=disk"
1133 #define CDROM_OPTS "media=cdrom"
1135 #define PFLASH_OPTS ""
1139 static int drive_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1141 BlockInterfaceType
*block_default_type
= opaque
;
1143 return drive_new(opts
, *block_default_type
, errp
) == NULL
;
1146 static int drive_enable_snapshot(void *opaque
, QemuOpts
*opts
, Error
**errp
)
1148 if (qemu_opt_get(opts
, "snapshot") == NULL
) {
1149 qemu_opt_set(opts
, "snapshot", "on", &error_abort
);
1154 static void default_drive(int enable
, int snapshot
, BlockInterfaceType type
,
1155 int index
, const char *optstr
)
1160 if (!enable
|| drive_get_by_index(type
, index
)) {
1164 opts
= drive_add(type
, index
, NULL
, optstr
);
1166 drive_enable_snapshot(NULL
, opts
, NULL
);
1169 dinfo
= drive_new(opts
, type
, &error_abort
);
1170 dinfo
->is_default
= true;
1174 typedef struct BlockdevOptionsQueueEntry
{
1175 BlockdevOptions
*bdo
;
1177 QSIMPLEQ_ENTRY(BlockdevOptionsQueueEntry
) entry
;
1178 } BlockdevOptionsQueueEntry
;
1180 typedef QSIMPLEQ_HEAD(, BlockdevOptionsQueueEntry
) BlockdevOptionsQueue
;
1182 static void configure_blockdev(BlockdevOptionsQueue
*bdo_queue
,
1183 MachineClass
*machine_class
, int snapshot
)
1186 * If the currently selected machine wishes to override the
1187 * units-per-bus property of its default HBA interface type, do so
1190 if (machine_class
->units_per_default_bus
) {
1191 override_max_devs(machine_class
->block_default_type
,
1192 machine_class
->units_per_default_bus
);
1195 /* open the virtual block devices */
1196 while (!QSIMPLEQ_EMPTY(bdo_queue
)) {
1197 BlockdevOptionsQueueEntry
*bdo
= QSIMPLEQ_FIRST(bdo_queue
);
1199 QSIMPLEQ_REMOVE_HEAD(bdo_queue
, entry
);
1200 loc_push_restore(&bdo
->loc
);
1201 qmp_blockdev_add(bdo
->bdo
, &error_fatal
);
1203 qapi_free_BlockdevOptions(bdo
->bdo
);
1207 qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot
,
1210 if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func
,
1211 &machine_class
->block_default_type
, &error_fatal
)) {
1212 /* We printed help */
1216 default_drive(default_cdrom
, snapshot
, machine_class
->block_default_type
, 2,
1218 default_drive(default_floppy
, snapshot
, IF_FLOPPY
, 0, FD_OPTS
);
1219 default_drive(default_sdcard
, snapshot
, IF_SD
, 0, SD_OPTS
);
1223 static QemuOptsList qemu_smp_opts
= {
1225 .implied_opt_name
= "cpus",
1226 .merge_lists
= true,
1227 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smp_opts
.head
),
1231 .type
= QEMU_OPT_NUMBER
,
1234 .type
= QEMU_OPT_NUMBER
,
1237 .type
= QEMU_OPT_NUMBER
,
1240 .type
= QEMU_OPT_NUMBER
,
1243 .type
= QEMU_OPT_NUMBER
,
1246 .type
= QEMU_OPT_NUMBER
,
1248 { /*End of list */ }
1252 static void realtime_init(void)
1255 if (os_mlock() < 0) {
1256 error_report("locking memory failed");
1263 static void configure_msg(QemuOpts
*opts
)
1265 enable_timestamp_msg
= qemu_opt_get_bool(opts
, "timestamp", true);
1269 /* Now we still need this for compatibility with XEN. */
1270 bool has_igd_gfx_passthru
;
1271 static void igd_gfx_passthru(void)
1273 has_igd_gfx_passthru
= current_machine
->igd_gfx_passthru
;
1276 /***********************************************************/
1279 static int usb_device_add(const char *devname
)
1281 USBDevice
*dev
= NULL
;
1283 if (!machine_usb(current_machine
)) {
1287 dev
= usbdevice_create(devname
);
1294 static int usb_parse(const char *cmdline
)
1297 r
= usb_device_add(cmdline
);
1299 error_report("could not add USB device '%s'", cmdline
);
1304 /***********************************************************/
1305 /* machine registration */
1307 MachineState
*current_machine
;
1309 static MachineClass
*find_machine(const char *name
, GSList
*machines
)
1313 for (el
= machines
; el
; el
= el
->next
) {
1314 MachineClass
*mc
= el
->data
;
1316 if (!strcmp(mc
->name
, name
) || !g_strcmp0(mc
->alias
, name
)) {
1324 static MachineClass
*find_default_machine(GSList
*machines
)
1328 for (el
= machines
; el
; el
= el
->next
) {
1329 MachineClass
*mc
= el
->data
;
1331 if (mc
->is_default
) {
1339 static int machine_help_func(QemuOpts
*opts
, MachineState
*machine
)
1341 ObjectProperty
*prop
;
1342 ObjectPropertyIterator iter
;
1344 if (!qemu_opt_has_help_opt(opts
)) {
1348 object_property_iter_init(&iter
, OBJECT(machine
));
1349 while ((prop
= object_property_iter_next(&iter
))) {
1354 printf("%s.%s=%s", MACHINE_GET_CLASS(machine
)->name
,
1355 prop
->name
, prop
->type
);
1356 if (prop
->description
) {
1357 printf(" (%s)\n", prop
->description
);
1366 struct VMChangeStateEntry
{
1367 VMChangeStateHandler
*cb
;
1369 QTAILQ_ENTRY(VMChangeStateEntry
) entries
;
1373 static QTAILQ_HEAD(, VMChangeStateEntry
) vm_change_state_head
;
1376 * qemu_add_vm_change_state_handler_prio:
1377 * @cb: the callback to invoke
1378 * @opaque: user data passed to the callback
1379 * @priority: low priorities execute first when the vm runs and the reverse is
1380 * true when the vm stops
1382 * Register a callback function that is invoked when the vm starts or stops
1385 * Returns: an entry to be freed using qemu_del_vm_change_state_handler()
1387 VMChangeStateEntry
*qemu_add_vm_change_state_handler_prio(
1388 VMChangeStateHandler
*cb
, void *opaque
, int priority
)
1390 VMChangeStateEntry
*e
;
1391 VMChangeStateEntry
*other
;
1393 e
= g_malloc0(sizeof(*e
));
1396 e
->priority
= priority
;
1398 /* Keep list sorted in ascending priority order */
1399 QTAILQ_FOREACH(other
, &vm_change_state_head
, entries
) {
1400 if (priority
< other
->priority
) {
1401 QTAILQ_INSERT_BEFORE(other
, e
, entries
);
1406 QTAILQ_INSERT_TAIL(&vm_change_state_head
, e
, entries
);
1410 VMChangeStateEntry
*qemu_add_vm_change_state_handler(VMChangeStateHandler
*cb
,
1413 return qemu_add_vm_change_state_handler_prio(cb
, opaque
, 0);
1416 void qemu_del_vm_change_state_handler(VMChangeStateEntry
*e
)
1418 QTAILQ_REMOVE(&vm_change_state_head
, e
, entries
);
1422 void vm_state_notify(int running
, RunState state
)
1424 VMChangeStateEntry
*e
, *next
;
1426 trace_vm_state_notify(running
, state
, RunState_str(state
));
1429 QTAILQ_FOREACH_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1430 e
->cb(e
->opaque
, running
, state
);
1433 QTAILQ_FOREACH_REVERSE_SAFE(e
, &vm_change_state_head
, entries
, next
) {
1434 e
->cb(e
->opaque
, running
, state
);
1439 static ShutdownCause reset_requested
;
1440 static ShutdownCause shutdown_requested
;
1441 static int shutdown_signal
;
1442 static pid_t shutdown_pid
;
1443 static int powerdown_requested
;
1444 static int debug_requested
;
1445 static int suspend_requested
;
1446 static bool preconfig_exit_requested
= true;
1447 static WakeupReason wakeup_reason
;
1448 static NotifierList powerdown_notifiers
=
1449 NOTIFIER_LIST_INITIALIZER(powerdown_notifiers
);
1450 static NotifierList suspend_notifiers
=
1451 NOTIFIER_LIST_INITIALIZER(suspend_notifiers
);
1452 static NotifierList wakeup_notifiers
=
1453 NOTIFIER_LIST_INITIALIZER(wakeup_notifiers
);
1454 static NotifierList shutdown_notifiers
=
1455 NOTIFIER_LIST_INITIALIZER(shutdown_notifiers
);
1456 static uint32_t wakeup_reason_mask
= ~(1 << QEMU_WAKEUP_REASON_NONE
);
1458 ShutdownCause
qemu_shutdown_requested_get(void)
1460 return shutdown_requested
;
1463 ShutdownCause
qemu_reset_requested_get(void)
1465 return reset_requested
;
1468 static int qemu_shutdown_requested(void)
1470 return atomic_xchg(&shutdown_requested
, SHUTDOWN_CAUSE_NONE
);
1473 static void qemu_kill_report(void)
1475 if (!qtest_driver() && shutdown_signal
) {
1476 if (shutdown_pid
== 0) {
1477 /* This happens for eg ^C at the terminal, so it's worth
1478 * avoiding printing an odd message in that case.
1480 error_report("terminating on signal %d", shutdown_signal
);
1482 char *shutdown_cmd
= qemu_get_pid_name(shutdown_pid
);
1484 error_report("terminating on signal %d from pid " FMT_pid
" (%s)",
1485 shutdown_signal
, shutdown_pid
,
1486 shutdown_cmd
? shutdown_cmd
: "<unknown process>");
1487 g_free(shutdown_cmd
);
1489 shutdown_signal
= 0;
1493 static ShutdownCause
qemu_reset_requested(void)
1495 ShutdownCause r
= reset_requested
;
1497 if (r
&& replay_checkpoint(CHECKPOINT_RESET_REQUESTED
)) {
1498 reset_requested
= SHUTDOWN_CAUSE_NONE
;
1501 return SHUTDOWN_CAUSE_NONE
;
1504 static int qemu_suspend_requested(void)
1506 int r
= suspend_requested
;
1507 if (r
&& replay_checkpoint(CHECKPOINT_SUSPEND_REQUESTED
)) {
1508 suspend_requested
= 0;
1514 static WakeupReason
qemu_wakeup_requested(void)
1516 return wakeup_reason
;
1519 static int qemu_powerdown_requested(void)
1521 int r
= powerdown_requested
;
1522 powerdown_requested
= 0;
1526 static int qemu_debug_requested(void)
1528 int r
= debug_requested
;
1529 debug_requested
= 0;
1533 void qemu_exit_preconfig_request(void)
1535 preconfig_exit_requested
= true;
1539 * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE.
1541 void qemu_system_reset(ShutdownCause reason
)
1545 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1547 cpu_synchronize_all_states();
1549 if (mc
&& mc
->reset
) {
1550 mc
->reset(current_machine
);
1552 qemu_devices_reset();
1554 if (reason
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1555 qapi_event_send_reset(shutdown_caused_by_guest(reason
), reason
);
1557 cpu_synchronize_all_post_reset();
1561 * Wake the VM after suspend.
1563 static void qemu_system_wakeup(void)
1567 mc
= current_machine
? MACHINE_GET_CLASS(current_machine
) : NULL
;
1569 if (mc
&& mc
->wakeup
) {
1570 mc
->wakeup(current_machine
);
1574 void qemu_system_guest_panicked(GuestPanicInformation
*info
)
1576 qemu_log_mask(LOG_GUEST_ERROR
, "Guest crashed");
1579 current_cpu
->crash_occurred
= true;
1581 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_PAUSE
,
1583 vm_stop(RUN_STATE_GUEST_PANICKED
);
1585 qapi_event_send_guest_panicked(GUEST_PANIC_ACTION_POWEROFF
,
1587 qemu_system_shutdown_request(SHUTDOWN_CAUSE_GUEST_PANIC
);
1591 if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_HYPER_V
) {
1592 qemu_log_mask(LOG_GUEST_ERROR
, "\nHV crash parameters: (%#"PRIx64
1593 " %#"PRIx64
" %#"PRIx64
" %#"PRIx64
" %#"PRIx64
")\n",
1594 info
->u
.hyper_v
.arg1
,
1595 info
->u
.hyper_v
.arg2
,
1596 info
->u
.hyper_v
.arg3
,
1597 info
->u
.hyper_v
.arg4
,
1598 info
->u
.hyper_v
.arg5
);
1599 } else if (info
->type
== GUEST_PANIC_INFORMATION_TYPE_S390
) {
1600 qemu_log_mask(LOG_GUEST_ERROR
, " on cpu %d: %s\n"
1601 "PSW: 0x%016" PRIx64
" 0x%016" PRIx64
"\n",
1603 S390CrashReason_str(info
->u
.s390
.reason
),
1604 info
->u
.s390
.psw_mask
,
1605 info
->u
.s390
.psw_addr
);
1607 qapi_free_GuestPanicInformation(info
);
1611 void qemu_system_reset_request(ShutdownCause reason
)
1613 if (no_reboot
&& reason
!= SHUTDOWN_CAUSE_SUBSYSTEM_RESET
) {
1614 shutdown_requested
= reason
;
1616 reset_requested
= reason
;
1619 qemu_notify_event();
1622 static void qemu_system_suspend(void)
1625 notifier_list_notify(&suspend_notifiers
, NULL
);
1626 runstate_set(RUN_STATE_SUSPENDED
);
1627 qapi_event_send_suspend();
1630 void qemu_system_suspend_request(void)
1632 if (runstate_check(RUN_STATE_SUSPENDED
)) {
1635 suspend_requested
= 1;
1637 qemu_notify_event();
1640 void qemu_register_suspend_notifier(Notifier
*notifier
)
1642 notifier_list_add(&suspend_notifiers
, notifier
);
1645 void qemu_system_wakeup_request(WakeupReason reason
, Error
**errp
)
1647 trace_system_wakeup_request(reason
);
1649 if (!runstate_check(RUN_STATE_SUSPENDED
)) {
1651 "Unable to wake up: guest is not in suspended state");
1654 if (!(wakeup_reason_mask
& (1 << reason
))) {
1657 runstate_set(RUN_STATE_RUNNING
);
1658 wakeup_reason
= reason
;
1659 qemu_notify_event();
1662 void qemu_system_wakeup_enable(WakeupReason reason
, bool enabled
)
1665 wakeup_reason_mask
|= (1 << reason
);
1667 wakeup_reason_mask
&= ~(1 << reason
);
1671 void qemu_register_wakeup_notifier(Notifier
*notifier
)
1673 notifier_list_add(&wakeup_notifiers
, notifier
);
1676 void qemu_register_wakeup_support(void)
1678 wakeup_suspend_enabled
= true;
1681 bool qemu_wakeup_suspend_enabled(void)
1683 return wakeup_suspend_enabled
;
1686 void qemu_system_killed(int signal
, pid_t pid
)
1688 shutdown_signal
= signal
;
1692 /* Cannot call qemu_system_shutdown_request directly because
1693 * we are in a signal handler.
1695 shutdown_requested
= SHUTDOWN_CAUSE_HOST_SIGNAL
;
1696 qemu_notify_event();
1699 void qemu_system_shutdown_request(ShutdownCause reason
)
1701 trace_qemu_system_shutdown_request(reason
);
1702 replay_shutdown_request(reason
);
1703 shutdown_requested
= reason
;
1704 qemu_notify_event();
1707 static void qemu_system_powerdown(void)
1709 qapi_event_send_powerdown();
1710 notifier_list_notify(&powerdown_notifiers
, NULL
);
1713 static void qemu_system_shutdown(ShutdownCause cause
)
1715 qapi_event_send_shutdown(shutdown_caused_by_guest(cause
), cause
);
1716 notifier_list_notify(&shutdown_notifiers
, &cause
);
1719 void qemu_system_powerdown_request(void)
1721 trace_qemu_system_powerdown_request();
1722 powerdown_requested
= 1;
1723 qemu_notify_event();
1726 void qemu_register_powerdown_notifier(Notifier
*notifier
)
1728 notifier_list_add(&powerdown_notifiers
, notifier
);
1731 void qemu_register_shutdown_notifier(Notifier
*notifier
)
1733 notifier_list_add(&shutdown_notifiers
, notifier
);
1736 void qemu_system_debug_request(void)
1738 debug_requested
= 1;
1739 qemu_notify_event();
1742 static bool main_loop_should_exit(void)
1745 ShutdownCause request
;
1747 if (runstate_check(RUN_STATE_FINISH_MIGRATE
)) {
1750 if (preconfig_exit_requested
) {
1751 if (runstate_check(RUN_STATE_PRECONFIG
)) {
1752 runstate_set(RUN_STATE_PRELAUNCH
);
1754 preconfig_exit_requested
= false;
1757 if (qemu_debug_requested()) {
1758 vm_stop(RUN_STATE_DEBUG
);
1760 if (qemu_suspend_requested()) {
1761 qemu_system_suspend();
1763 request
= qemu_shutdown_requested();
1766 qemu_system_shutdown(request
);
1768 vm_stop(RUN_STATE_SHUTDOWN
);
1773 request
= qemu_reset_requested();
1776 qemu_system_reset(request
);
1778 if (!runstate_check(RUN_STATE_RUNNING
) &&
1779 !runstate_check(RUN_STATE_INMIGRATE
)) {
1780 runstate_set(RUN_STATE_PRELAUNCH
);
1783 if (qemu_wakeup_requested()) {
1785 qemu_system_wakeup();
1786 notifier_list_notify(&wakeup_notifiers
, &wakeup_reason
);
1787 wakeup_reason
= QEMU_WAKEUP_REASON_NONE
;
1789 qapi_event_send_wakeup();
1791 if (qemu_powerdown_requested()) {
1792 qemu_system_powerdown();
1794 if (qemu_vmstop_requested(&r
)) {
1800 static void main_loop(void)
1802 #ifdef CONFIG_PROFILER
1805 while (!main_loop_should_exit()) {
1806 #ifdef CONFIG_PROFILER
1807 ti
= profile_getclock();
1809 main_loop_wait(false);
1810 #ifdef CONFIG_PROFILER
1811 dev_time
+= profile_getclock() - ti
;
1816 static void version(void)
1818 printf("QEMU emulator version " QEMU_FULL_VERSION
"\n"
1819 QEMU_COPYRIGHT
"\n");
1822 static void help(int exitcode
)
1825 printf("usage: %s [options] [disk_image]\n\n"
1826 "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1827 error_get_progname());
1829 #define QEMU_OPTIONS_GENERATE_HELP
1830 #include "qemu-options-wrapper.h"
1832 printf("\nDuring emulation, the following keys are useful:\n"
1833 "ctrl-alt-f toggle full screen\n"
1834 "ctrl-alt-n switch to virtual console 'n'\n"
1835 "ctrl-alt toggle mouse and keyboard grab\n"
1837 "When using -nographic, press 'ctrl-a h' to get some help.\n"
1839 QEMU_HELP_BOTTOM
"\n");
1844 #define HAS_ARG 0x0001
1846 typedef struct QEMUOption
{
1853 static const QEMUOption qemu_options
[] = {
1854 { "h", 0, QEMU_OPTION_h
, QEMU_ARCH_ALL
},
1855 #define QEMU_OPTIONS_GENERATE_OPTIONS
1856 #include "qemu-options-wrapper.h"
1860 typedef struct VGAInterfaceInfo
{
1861 const char *opt_name
; /* option name */
1862 const char *name
; /* human-readable name */
1863 /* Class names indicating that support is available.
1864 * If no class is specified, the interface is always available */
1865 const char *class_names
[2];
1868 static const VGAInterfaceInfo vga_interfaces
[VGA_TYPE_MAX
] = {
1871 .name
= "no graphic card",
1875 .name
= "standard VGA",
1876 .class_names
= { "VGA", "isa-vga" },
1879 .opt_name
= "cirrus",
1880 .name
= "Cirrus VGA",
1881 .class_names
= { "cirrus-vga", "isa-cirrus-vga" },
1884 .opt_name
= "vmware",
1885 .name
= "VMWare SVGA",
1886 .class_names
= { "vmware-svga" },
1889 .opt_name
= "virtio",
1890 .name
= "Virtio VGA",
1891 .class_names
= { "virtio-vga" },
1896 .class_names
= { "qxl-vga" },
1900 .name
= "TCX framebuffer",
1901 .class_names
= { "SUNW,tcx" },
1905 .name
= "CG3 framebuffer",
1906 .class_names
= { "cgthree" },
1909 .opt_name
= "xenfb",
1910 .name
= "Xen paravirtualized framebuffer",
1914 static bool vga_interface_available(VGAInterfaceType t
)
1916 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1918 assert(t
< VGA_TYPE_MAX
);
1919 return !ti
->class_names
[0] ||
1920 object_class_by_name(ti
->class_names
[0]) ||
1921 object_class_by_name(ti
->class_names
[1]);
1925 get_default_vga_model(const MachineClass
*machine_class
)
1927 if (machine_class
->default_display
) {
1928 return machine_class
->default_display
;
1929 } else if (vga_interface_available(VGA_CIRRUS
)) {
1931 } else if (vga_interface_available(VGA_STD
)) {
1938 static void select_vgahw(const MachineClass
*machine_class
, const char *p
)
1943 if (g_str_equal(p
, "help")) {
1944 const char *def
= get_default_vga_model(machine_class
);
1946 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1947 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1949 if (vga_interface_available(t
) && ti
->opt_name
) {
1950 printf("%-20s %s%s\n", ti
->opt_name
, ti
->name
?: "",
1951 g_str_equal(ti
->opt_name
, def
) ? " (default)" : "");
1957 assert(vga_interface_type
== VGA_NONE
);
1958 for (t
= 0; t
< VGA_TYPE_MAX
; t
++) {
1959 const VGAInterfaceInfo
*ti
= &vga_interfaces
[t
];
1960 if (ti
->opt_name
&& strstart(p
, ti
->opt_name
, &opts
)) {
1961 if (!vga_interface_available(t
)) {
1962 error_report("%s not available", ti
->name
);
1965 vga_interface_type
= t
;
1969 if (t
== VGA_TYPE_MAX
) {
1971 error_report("unknown vga type: %s", p
);
1975 const char *nextopt
;
1977 if (strstart(opts
, ",retrace=", &nextopt
)) {
1979 if (strstart(opts
, "dumb", &nextopt
))
1980 vga_retrace_method
= VGA_RETRACE_DUMB
;
1981 else if (strstart(opts
, "precise", &nextopt
))
1982 vga_retrace_method
= VGA_RETRACE_PRECISE
;
1983 else goto invalid_vga
;
1984 } else goto invalid_vga
;
1989 static void parse_display_qapi(const char *optarg
)
1991 DisplayOptions
*opts
;
1994 v
= qobject_input_visitor_new_str(optarg
, "type", &error_fatal
);
1996 visit_type_DisplayOptions(v
, NULL
, &opts
, &error_fatal
);
1997 QAPI_CLONE_MEMBERS(DisplayOptions
, &dpy
, opts
);
1999 qapi_free_DisplayOptions(opts
);
2003 DisplayOptions
*qmp_query_display_options(Error
**errp
)
2005 return QAPI_CLONE(DisplayOptions
, &dpy
);
2008 static void parse_display(const char *p
)
2012 if (strstart(p
, "sdl", &opts
)) {
2014 * sdl DisplayType needs hand-crafted parser instead of
2015 * parse_display_qapi() due to some options not in
2016 * DisplayOptions, specifically:
2018 * Already deprecated.
2019 * - ctrl_grab + alt_grab
2020 * Not clear yet what happens to them long-term. Should
2021 * replaced by something better or deprecated and dropped.
2023 dpy
.type
= DISPLAY_TYPE_SDL
;
2025 const char *nextopt
;
2027 if (strstart(opts
, ",alt_grab=", &nextopt
)) {
2029 if (strstart(opts
, "on", &nextopt
)) {
2031 } else if (strstart(opts
, "off", &nextopt
)) {
2034 goto invalid_sdl_args
;
2036 } else if (strstart(opts
, ",ctrl_grab=", &nextopt
)) {
2038 if (strstart(opts
, "on", &nextopt
)) {
2040 } else if (strstart(opts
, "off", &nextopt
)) {
2043 goto invalid_sdl_args
;
2045 } else if (strstart(opts
, ",window_close=", &nextopt
)) {
2047 dpy
.has_window_close
= true;
2048 if (strstart(opts
, "on", &nextopt
)) {
2049 dpy
.window_close
= true;
2050 } else if (strstart(opts
, "off", &nextopt
)) {
2051 dpy
.window_close
= false;
2053 goto invalid_sdl_args
;
2055 } else if (strstart(opts
, ",gl=", &nextopt
)) {
2058 if (strstart(opts
, "on", &nextopt
)) {
2059 dpy
.gl
= DISPLAYGL_MODE_ON
;
2060 } else if (strstart(opts
, "core", &nextopt
)) {
2061 dpy
.gl
= DISPLAYGL_MODE_CORE
;
2062 } else if (strstart(opts
, "es", &nextopt
)) {
2063 dpy
.gl
= DISPLAYGL_MODE_ES
;
2064 } else if (strstart(opts
, "off", &nextopt
)) {
2065 dpy
.gl
= DISPLAYGL_MODE_OFF
;
2067 goto invalid_sdl_args
;
2071 error_report("invalid SDL option string");
2076 } else if (strstart(p
, "vnc", &opts
)) {
2078 * vnc isn't a (local) DisplayType but a protocol for remote
2082 vnc_parse(opts
+ 1, &error_fatal
);
2084 error_report("VNC requires a display argument vnc=<display>");
2088 parse_display_qapi(p
);
2092 char *qemu_find_file(int type
, const char *name
)
2098 /* Try the name as a straight path first */
2099 if (access(name
, R_OK
) == 0) {
2100 trace_load_file(name
, name
);
2101 return g_strdup(name
);
2105 case QEMU_FILE_TYPE_BIOS
:
2108 case QEMU_FILE_TYPE_KEYMAP
:
2109 subdir
= "keymaps/";
2115 for (i
= 0; i
< data_dir_idx
; i
++) {
2116 buf
= g_strdup_printf("%s/%s%s", data_dir
[i
], subdir
, name
);
2117 if (access(buf
, R_OK
) == 0) {
2118 trace_load_file(name
, buf
);
2126 static void qemu_add_data_dir(const char *path
)
2133 if (data_dir_idx
== ARRAY_SIZE(data_dir
)) {
2136 for (i
= 0; i
< data_dir_idx
; i
++) {
2137 if (strcmp(data_dir
[i
], path
) == 0) {
2138 return; /* duplicate */
2141 data_dir
[data_dir_idx
++] = g_strdup(path
);
2144 static inline bool nonempty_str(const char *str
)
2149 static int parse_fw_cfg(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2153 const char *name
, *file
, *str
;
2154 FWCfgState
*fw_cfg
= (FWCfgState
*) opaque
;
2156 if (fw_cfg
== NULL
) {
2157 error_setg(errp
, "fw_cfg device not available");
2160 name
= qemu_opt_get(opts
, "name");
2161 file
= qemu_opt_get(opts
, "file");
2162 str
= qemu_opt_get(opts
, "string");
2164 /* we need name and either a file or the content string */
2165 if (!(nonempty_str(name
) && (nonempty_str(file
) || nonempty_str(str
)))) {
2166 error_setg(errp
, "invalid argument(s)");
2169 if (nonempty_str(file
) && nonempty_str(str
)) {
2170 error_setg(errp
, "file and string are mutually exclusive");
2173 if (strlen(name
) > FW_CFG_MAX_FILE_PATH
- 1) {
2174 error_setg(errp
, "name too long (max. %d char)",
2175 FW_CFG_MAX_FILE_PATH
- 1);
2178 if (strncmp(name
, "opt/", 4) != 0) {
2179 warn_report("externally provided fw_cfg item names "
2180 "should be prefixed with \"opt/\"");
2182 if (nonempty_str(str
)) {
2183 size
= strlen(str
); /* NUL terminator NOT included in fw_cfg blob */
2184 buf
= g_memdup(str
, size
);
2187 if (!g_file_get_contents(file
, &buf
, &size
, &err
)) {
2188 error_setg(errp
, "can't load %s: %s", file
, err
->message
);
2193 /* For legacy, keep user files in a specific global order. */
2194 fw_cfg_set_order_override(fw_cfg
, FW_CFG_ORDER_OVERRIDE_USER
);
2195 fw_cfg_add_file(fw_cfg
, name
, buf
, size
);
2196 fw_cfg_reset_order_override(fw_cfg
);
2200 static int device_help_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2202 return qdev_device_help(opts
);
2205 static int device_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2209 dev
= qdev_device_add(opts
, errp
);
2210 if (!dev
&& *errp
) {
2211 error_report_err(*errp
);
2214 object_unref(OBJECT(dev
));
2219 static int chardev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2221 Error
*local_err
= NULL
;
2223 if (!qemu_chr_new_from_opts(opts
, NULL
, &local_err
)) {
2225 error_propagate(errp
, local_err
);
2233 #ifdef CONFIG_VIRTFS
2234 static int fsdev_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2236 return qemu_fsdev_add(opts
, errp
);
2240 static int mon_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2244 bool pretty
= false;
2245 const char *chardev
;
2248 mode
= qemu_opt_get(opts
, "mode");
2252 if (strcmp(mode
, "readline") == 0) {
2254 } else if (strcmp(mode
, "control") == 0) {
2257 error_setg(errp
, "unknown monitor mode \"%s\"", mode
);
2261 if (!qmp
&& qemu_opt_get(opts
, "pretty")) {
2262 warn_report("'pretty' is deprecated for HMP monitors, it has no effect "
2263 "and will be removed in future versions");
2265 if (qemu_opt_get_bool(opts
, "pretty", 0)) {
2269 chardev
= qemu_opt_get(opts
, "chardev");
2271 error_report("chardev is required");
2274 chr
= qemu_chr_find(chardev
);
2276 error_setg(errp
, "chardev \"%s\" not found", chardev
);
2281 monitor_init_qmp(chr
, pretty
);
2283 monitor_init_hmp(chr
, true);
2288 static void monitor_parse(const char *optarg
, const char *mode
, bool pretty
)
2290 static int monitor_device_index
= 0;
2295 if (strstart(optarg
, "chardev:", &p
)) {
2296 snprintf(label
, sizeof(label
), "%s", p
);
2298 snprintf(label
, sizeof(label
), "compat_monitor%d",
2299 monitor_device_index
);
2300 opts
= qemu_chr_parse_compat(label
, optarg
, true);
2302 error_report("parse error: %s", optarg
);
2307 opts
= qemu_opts_create(qemu_find_opts("mon"), label
, 1, &error_fatal
);
2308 qemu_opt_set(opts
, "mode", mode
, &error_abort
);
2309 qemu_opt_set(opts
, "chardev", label
, &error_abort
);
2310 if (!strcmp(mode
, "control")) {
2311 qemu_opt_set_bool(opts
, "pretty", pretty
, &error_abort
);
2313 assert(pretty
== false);
2315 monitor_device_index
++;
2318 struct device_config
{
2320 DEV_USB
, /* -usbdevice */
2322 DEV_SERIAL
, /* -serial */
2323 DEV_PARALLEL
, /* -parallel */
2324 DEV_DEBUGCON
, /* -debugcon */
2325 DEV_GDB
, /* -gdb, -s */
2326 DEV_SCLP
, /* s390 sclp */
2328 const char *cmdline
;
2330 QTAILQ_ENTRY(device_config
) next
;
2333 static QTAILQ_HEAD(, device_config
) device_configs
=
2334 QTAILQ_HEAD_INITIALIZER(device_configs
);
2336 static void add_device_config(int type
, const char *cmdline
)
2338 struct device_config
*conf
;
2340 conf
= g_malloc0(sizeof(*conf
));
2342 conf
->cmdline
= cmdline
;
2343 loc_save(&conf
->loc
);
2344 QTAILQ_INSERT_TAIL(&device_configs
, conf
, next
);
2347 static int foreach_device_config(int type
, int (*func
)(const char *cmdline
))
2349 struct device_config
*conf
;
2352 QTAILQ_FOREACH(conf
, &device_configs
, next
) {
2353 if (conf
->type
!= type
)
2355 loc_push_restore(&conf
->loc
);
2356 rc
= func(conf
->cmdline
);
2357 loc_pop(&conf
->loc
);
2365 static int serial_parse(const char *devname
)
2367 int index
= num_serial_hds
;
2370 if (strcmp(devname
, "none") == 0)
2372 snprintf(label
, sizeof(label
), "serial%d", index
);
2373 serial_hds
= g_renew(Chardev
*, serial_hds
, index
+ 1);
2375 serial_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2376 if (!serial_hds
[index
]) {
2377 error_report("could not connect serial device"
2378 " to character backend '%s'", devname
);
2385 Chardev
*serial_hd(int i
)
2388 if (i
< num_serial_hds
) {
2389 return serial_hds
[i
];
2394 int serial_max_hds(void)
2396 return num_serial_hds
;
2399 static int parallel_parse(const char *devname
)
2401 static int index
= 0;
2404 if (strcmp(devname
, "none") == 0)
2406 if (index
== MAX_PARALLEL_PORTS
) {
2407 error_report("too many parallel ports");
2410 snprintf(label
, sizeof(label
), "parallel%d", index
);
2411 parallel_hds
[index
] = qemu_chr_new_mux_mon(label
, devname
, NULL
);
2412 if (!parallel_hds
[index
]) {
2413 error_report("could not connect parallel device"
2414 " to character backend '%s'", devname
);
2421 static int debugcon_parse(const char *devname
)
2425 if (!qemu_chr_new_mux_mon("debugcon", devname
, NULL
)) {
2426 error_report("invalid character backend '%s'", devname
);
2429 opts
= qemu_opts_create(qemu_find_opts("device"), "debugcon", 1, NULL
);
2431 error_report("already have a debugcon device");
2434 qemu_opt_set(opts
, "driver", "isa-debugcon", &error_abort
);
2435 qemu_opt_set(opts
, "chardev", "debugcon", &error_abort
);
2439 static gint
machine_class_cmp(gconstpointer a
, gconstpointer b
)
2441 const MachineClass
*mc1
= a
, *mc2
= b
;
2444 if (mc1
->family
== NULL
) {
2445 if (mc2
->family
== NULL
) {
2446 /* Compare standalone machine types against each other; they sort
2447 * in increasing order.
2449 return strcmp(object_class_get_name(OBJECT_CLASS(mc1
)),
2450 object_class_get_name(OBJECT_CLASS(mc2
)));
2453 /* Standalone machine types sort after families. */
2457 if (mc2
->family
== NULL
) {
2458 /* Families sort before standalone machine types. */
2462 /* Families sort between each other alphabetically increasingly. */
2463 res
= strcmp(mc1
->family
, mc2
->family
);
2468 /* Within the same family, machine types sort in decreasing order. */
2469 return strcmp(object_class_get_name(OBJECT_CLASS(mc2
)),
2470 object_class_get_name(OBJECT_CLASS(mc1
)));
2473 static MachineClass
*machine_parse(const char *name
, GSList
*machines
)
2478 if (is_help_option(name
)) {
2479 printf("Supported machines are:\n");
2480 machines
= g_slist_sort(machines
, machine_class_cmp
);
2481 for (el
= machines
; el
; el
= el
->next
) {
2482 MachineClass
*mc
= el
->data
;
2484 printf("%-20s %s (alias of %s)\n", mc
->alias
, mc
->desc
, mc
->name
);
2486 printf("%-20s %s%s%s\n", mc
->name
, mc
->desc
,
2487 mc
->is_default
? " (default)" : "",
2488 mc
->deprecation_reason
? " (deprecated)" : "");
2493 mc
= find_machine(name
, machines
);
2495 error_report("unsupported machine type");
2496 error_printf("Use -machine help to list supported machines\n");
2502 void qemu_add_exit_notifier(Notifier
*notify
)
2504 notifier_list_add(&exit_notifiers
, notify
);
2507 void qemu_remove_exit_notifier(Notifier
*notify
)
2509 notifier_remove(notify
);
2512 static void qemu_run_exit_notifiers(void)
2514 notifier_list_notify(&exit_notifiers
, NULL
);
2517 static const char *pid_file
;
2518 static Notifier qemu_unlink_pidfile_notifier
;
2520 static void qemu_unlink_pidfile(Notifier
*n
, void *data
)
2527 bool machine_init_done
;
2529 void qemu_add_machine_init_done_notifier(Notifier
*notify
)
2531 notifier_list_add(&machine_init_done_notifiers
, notify
);
2532 if (machine_init_done
) {
2533 notify
->notify(notify
, NULL
);
2537 void qemu_remove_machine_init_done_notifier(Notifier
*notify
)
2539 notifier_remove(notify
);
2542 static void qemu_run_machine_init_done_notifiers(void)
2544 machine_init_done
= true;
2545 notifier_list_notify(&machine_init_done_notifiers
, NULL
);
2548 static const QEMUOption
*lookup_opt(int argc
, char **argv
,
2549 const char **poptarg
, int *poptind
)
2551 const QEMUOption
*popt
;
2552 int optind
= *poptind
;
2553 char *r
= argv
[optind
];
2556 loc_set_cmdline(argv
, optind
, 1);
2558 /* Treat --foo the same as -foo. */
2561 popt
= qemu_options
;
2564 error_report("invalid option");
2567 if (!strcmp(popt
->name
, r
+ 1))
2571 if (popt
->flags
& HAS_ARG
) {
2572 if (optind
>= argc
) {
2573 error_report("requires an argument");
2576 optarg
= argv
[optind
++];
2577 loc_set_cmdline(argv
, optind
- 2, 2);
2588 static MachineClass
*select_machine(void)
2590 GSList
*machines
= object_class_get_list(TYPE_MACHINE
, false);
2591 MachineClass
*machine_class
= find_default_machine(machines
);
2596 loc_push_none(&loc
);
2598 opts
= qemu_get_machine_opts();
2599 qemu_opts_loc_restore(opts
);
2601 optarg
= qemu_opt_get(opts
, "type");
2603 machine_class
= machine_parse(optarg
, machines
);
2606 if (!machine_class
) {
2607 error_report("No machine specified, and there is no default");
2608 error_printf("Use -machine help to list supported machines\n");
2613 g_slist_free(machines
);
2614 return machine_class
;
2617 static int machine_set_property(void *opaque
,
2618 const char *name
, const char *value
,
2621 Object
*obj
= OBJECT(opaque
);
2622 Error
*local_err
= NULL
;
2625 if (strcmp(name
, "type") == 0) {
2629 qom_name
= g_strdup(name
);
2630 for (p
= qom_name
; *p
; p
++) {
2636 object_property_parse(obj
, value
, qom_name
, &local_err
);
2640 error_propagate(errp
, local_err
);
2649 * Initial object creation happens before all other
2650 * QEMU data types are created. The majority of objects
2651 * can be created at this point. The rng-egd object
2652 * cannot be created here, as it depends on the chardev
2655 static bool object_create_initial(const char *type
, QemuOpts
*opts
)
2657 if (user_creatable_print_help(type
, opts
)) {
2662 * Objects should not be made "delayed" without a reason. If you
2663 * add one, state the reason in a comment!
2666 /* Reason: rng-egd property "chardev" */
2667 if (g_str_equal(type
, "rng-egd")) {
2671 #if defined(CONFIG_VHOST_USER) && defined(CONFIG_LINUX)
2672 /* Reason: cryptodev-vhost-user property "chardev" */
2673 if (g_str_equal(type
, "cryptodev-vhost-user")) {
2679 * Reason: filter-* property "netdev" etc.
2681 if (g_str_equal(type
, "filter-buffer") ||
2682 g_str_equal(type
, "filter-dump") ||
2683 g_str_equal(type
, "filter-mirror") ||
2684 g_str_equal(type
, "filter-redirector") ||
2685 g_str_equal(type
, "colo-compare") ||
2686 g_str_equal(type
, "filter-rewriter") ||
2687 g_str_equal(type
, "filter-replay")) {
2691 /* Memory allocation by backends needs to be done
2692 * after configure_accelerator() (due to the tcg_enabled()
2693 * checks at memory_region_init_*()).
2695 * Also, allocation of large amounts of memory may delay
2696 * chardev initialization for too long, and trigger timeouts
2697 * on software that waits for a monitor socket to be created
2700 if (g_str_has_prefix(type
, "memory-backend-")) {
2709 * The remainder of object creation happens after the
2710 * creation of chardev, fsdev, net clients and device data types.
2712 static bool object_create_delayed(const char *type
, QemuOpts
*opts
)
2714 return !object_create_initial(type
, opts
);
2718 static void set_memory_options(uint64_t *ram_slots
, ram_addr_t
*maxram_size
,
2722 const char *mem_str
;
2723 const ram_addr_t default_ram_size
= mc
->default_ram_size
;
2724 QemuOpts
*opts
= qemu_find_opts_singleton("memory");
2727 loc_push_none(&loc
);
2728 qemu_opts_loc_restore(opts
);
2731 mem_str
= qemu_opt_get(opts
, "size");
2734 error_report("missing 'size' option value");
2738 sz
= qemu_opt_get_size(opts
, "size", ram_size
);
2740 /* Fix up legacy suffix-less format */
2741 if (g_ascii_isdigit(mem_str
[strlen(mem_str
) - 1])) {
2742 uint64_t overflow_check
= sz
;
2745 if (sz
/ MiB
!= overflow_check
) {
2746 error_report("too large 'size' option value");
2752 /* backward compatibility behaviour for case "-m 0" */
2754 sz
= default_ram_size
;
2757 sz
= QEMU_ALIGN_UP(sz
, 8192);
2759 if (ram_size
!= sz
) {
2760 error_report("ram size too large");
2764 /* store value for the future use */
2765 qemu_opt_set_number(opts
, "size", ram_size
, &error_abort
);
2766 *maxram_size
= ram_size
;
2768 if (qemu_opt_get(opts
, "maxmem")) {
2771 sz
= qemu_opt_get_size(opts
, "maxmem", 0);
2772 slots
= qemu_opt_get_number(opts
, "slots", 0);
2773 if (sz
< ram_size
) {
2774 error_report("invalid value of -m option maxmem: "
2775 "maximum memory size (0x%" PRIx64
") must be at least "
2776 "the initial memory size (0x" RAM_ADDR_FMT
")",
2779 } else if (slots
&& sz
== ram_size
) {
2780 error_report("invalid value of -m option maxmem: "
2781 "memory slots were specified but maximum memory size "
2782 "(0x%" PRIx64
") is equal to the initial memory size "
2783 "(0x" RAM_ADDR_FMT
")", sz
, ram_size
);
2789 } else if (qemu_opt_get(opts
, "slots")) {
2790 error_report("invalid -m option value: missing 'maxmem' option");
2797 static int global_init_func(void *opaque
, QemuOpts
*opts
, Error
**errp
)
2801 g
= g_malloc0(sizeof(*g
));
2802 g
->driver
= qemu_opt_get(opts
, "driver");
2803 g
->property
= qemu_opt_get(opts
, "property");
2804 g
->value
= qemu_opt_get(opts
, "value");
2805 qdev_prop_register_global(g
);
2809 static int qemu_read_default_config_file(void)
2813 ret
= qemu_read_config_file(CONFIG_QEMU_CONFDIR
"/qemu.conf");
2814 if (ret
< 0 && ret
!= -ENOENT
) {
2821 static void user_register_global_props(void)
2823 qemu_opts_foreach(qemu_find_opts("global"),
2824 global_init_func
, NULL
, NULL
);
2827 int main(int argc
, char **argv
, char **envp
)
2830 int snapshot
, linux_boot
;
2831 const char *initrd_filename
;
2832 const char *kernel_filename
, *kernel_cmdline
;
2833 const char *boot_order
= NULL
;
2834 const char *boot_once
= NULL
;
2836 QemuOpts
*opts
, *machine_opts
;
2837 QemuOpts
*icount_opts
= NULL
, *accel_opts
= NULL
;
2838 QemuOptsList
*olist
;
2841 const char *loadvm
= NULL
;
2842 MachineClass
*machine_class
;
2843 const char *cpu_option
;
2844 const char *vga_model
= NULL
;
2845 const char *qtest_chrdev
= NULL
;
2846 const char *qtest_log
= NULL
;
2847 const char *incoming
= NULL
;
2848 bool userconfig
= true;
2849 bool nographic
= false;
2850 int display_remote
= 0;
2851 const char *log_mask
= NULL
;
2852 const char *log_file
= NULL
;
2853 char *trace_file
= NULL
;
2854 ram_addr_t maxram_size
;
2855 uint64_t ram_slots
= 0;
2856 FILE *vmstate_dump_file
= NULL
;
2857 Error
*main_loop_err
= NULL
;
2859 bool list_data_dirs
= false;
2861 BlockdevOptionsQueue bdo_queue
= QSIMPLEQ_HEAD_INITIALIZER(bdo_queue
);
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_add_opts(&qemu_option_rom_opts
);
2893 qemu_add_opts(&qemu_machine_opts
);
2894 qemu_add_opts(&qemu_accel_opts
);
2895 qemu_add_opts(&qemu_mem_opts
);
2896 qemu_add_opts(&qemu_smp_opts
);
2897 qemu_add_opts(&qemu_boot_opts
);
2898 qemu_add_opts(&qemu_add_fd_opts
);
2899 qemu_add_opts(&qemu_object_opts
);
2900 qemu_add_opts(&qemu_tpmdev_opts
);
2901 qemu_add_opts(&qemu_realtime_opts
);
2902 qemu_add_opts(&qemu_overcommit_opts
);
2903 qemu_add_opts(&qemu_msg_opts
);
2904 qemu_add_opts(&qemu_name_opts
);
2905 qemu_add_opts(&qemu_numa_opts
);
2906 qemu_add_opts(&qemu_icount_opts
);
2907 qemu_add_opts(&qemu_semihosting_config_opts
);
2908 qemu_add_opts(&qemu_fw_cfg_opts
);
2909 module_call_init(MODULE_INIT_OPTS
);
2912 precopy_infrastructure_init();
2913 postcopy_infrastructure_init();
2914 monitor_init_globals();
2916 if (qcrypto_init(&err
) < 0) {
2917 error_reportf_err(err
, "cannot initialize crypto: ");
2921 QTAILQ_INIT(&vm_change_state_head
);
2922 os_setup_early_signal_handling();
2929 bdrv_init_with_whitelist();
2933 /* first pass of option parsing */
2935 while (optind
< argc
) {
2936 if (argv
[optind
][0] != '-') {
2940 const QEMUOption
*popt
;
2942 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2943 switch (popt
->index
) {
2944 case QEMU_OPTION_nouserconfig
:
2952 if (qemu_read_default_config_file() < 0) {
2957 /* second pass of option parsing */
2962 if (argv
[optind
][0] != '-') {
2963 loc_set_cmdline(argv
, optind
, 1);
2964 drive_add(IF_DEFAULT
, 0, argv
[optind
++], HD_OPTS
);
2966 const QEMUOption
*popt
;
2968 popt
= lookup_opt(argc
, argv
, &optarg
, &optind
);
2969 if (!(popt
->arch_mask
& arch_type
)) {
2970 error_report("Option not supported for this target");
2973 switch(popt
->index
) {
2974 case QEMU_OPTION_cpu
:
2975 /* hw initialization will check this */
2976 cpu_option
= optarg
;
2978 case QEMU_OPTION_hda
:
2979 case QEMU_OPTION_hdb
:
2980 case QEMU_OPTION_hdc
:
2981 case QEMU_OPTION_hdd
:
2982 drive_add(IF_DEFAULT
, popt
->index
- QEMU_OPTION_hda
, optarg
,
2985 case QEMU_OPTION_blockdev
:
2988 BlockdevOptionsQueueEntry
*bdo
;
2990 v
= qobject_input_visitor_new_str(optarg
, "driver",
2993 bdo
= g_new(BlockdevOptionsQueueEntry
, 1);
2994 visit_type_BlockdevOptions(v
, NULL
, &bdo
->bdo
,
2997 loc_save(&bdo
->loc
);
2998 QSIMPLEQ_INSERT_TAIL(&bdo_queue
, bdo
, entry
);
3001 case QEMU_OPTION_drive
:
3002 if (drive_def(optarg
) == NULL
) {
3006 case QEMU_OPTION_set
:
3007 if (qemu_set_option(optarg
) != 0)
3010 case QEMU_OPTION_global
:
3011 if (qemu_global_option(optarg
) != 0)
3014 case QEMU_OPTION_mtdblock
:
3015 drive_add(IF_MTD
, -1, optarg
, MTD_OPTS
);
3017 case QEMU_OPTION_sd
:
3018 drive_add(IF_SD
, -1, optarg
, SD_OPTS
);
3020 case QEMU_OPTION_pflash
:
3021 drive_add(IF_PFLASH
, -1, optarg
, PFLASH_OPTS
);
3023 case QEMU_OPTION_snapshot
:
3025 Error
*blocker
= NULL
;
3027 error_setg(&blocker
, QERR_REPLAY_NOT_SUPPORTED
,
3029 replay_add_blocker(blocker
);
3032 case QEMU_OPTION_numa
:
3033 opts
= qemu_opts_parse_noisily(qemu_find_opts("numa"),
3039 case QEMU_OPTION_display
:
3040 parse_display(optarg
);
3042 case QEMU_OPTION_nographic
:
3043 olist
= qemu_find_opts("machine");
3044 qemu_opts_parse_noisily(olist
, "graphics=off", false);
3046 dpy
.type
= DISPLAY_TYPE_NONE
;
3048 case QEMU_OPTION_curses
:
3049 #ifdef CONFIG_CURSES
3050 dpy
.type
= DISPLAY_TYPE_CURSES
;
3052 error_report("curses or iconv support is disabled");
3056 case QEMU_OPTION_portrait
:
3057 graphic_rotate
= 90;
3059 case QEMU_OPTION_rotate
:
3060 graphic_rotate
= strtol(optarg
, (char **) &optarg
, 10);
3061 if (graphic_rotate
!= 0 && graphic_rotate
!= 90 &&
3062 graphic_rotate
!= 180 && graphic_rotate
!= 270) {
3063 error_report("only 90, 180, 270 deg rotation is available");
3067 case QEMU_OPTION_kernel
:
3068 qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg
,
3071 case QEMU_OPTION_initrd
:
3072 qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg
,
3075 case QEMU_OPTION_append
:
3076 qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg
,
3079 case QEMU_OPTION_dtb
:
3080 qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg
,
3083 case QEMU_OPTION_cdrom
:
3084 drive_add(IF_DEFAULT
, 2, optarg
, CDROM_OPTS
);
3086 case QEMU_OPTION_boot
:
3087 opts
= qemu_opts_parse_noisily(qemu_find_opts("boot-opts"),
3093 case QEMU_OPTION_fda
:
3094 case QEMU_OPTION_fdb
:
3095 drive_add(IF_FLOPPY
, popt
->index
- QEMU_OPTION_fda
,
3098 case QEMU_OPTION_no_fd_bootchk
:
3101 case QEMU_OPTION_netdev
:
3103 if (net_client_parse(qemu_find_opts("netdev"), optarg
) == -1) {
3107 case QEMU_OPTION_nic
:
3109 if (net_client_parse(qemu_find_opts("nic"), optarg
) == -1) {
3113 case QEMU_OPTION_net
:
3115 if (net_client_parse(qemu_find_opts("net"), optarg
) == -1) {
3119 #ifdef CONFIG_LIBISCSI
3120 case QEMU_OPTION_iscsi
:
3121 opts
= qemu_opts_parse_noisily(qemu_find_opts("iscsi"),
3128 case QEMU_OPTION_bt
:
3129 warn_report("The bluetooth subsystem is deprecated and will "
3130 "be removed soon. If the bluetooth subsystem is "
3131 "still useful for you, please send a mail to "
3132 "qemu-devel@nongnu.org with your usecase.");
3133 add_device_config(DEV_BT
, optarg
);
3135 case QEMU_OPTION_audio_help
:
3136 audio_legacy_help();
3139 case QEMU_OPTION_audiodev
:
3140 audio_parse_option(optarg
);
3142 case QEMU_OPTION_soundhw
:
3143 select_soundhw (optarg
);
3148 case QEMU_OPTION_version
:
3153 opts
= qemu_opts_parse_noisily(qemu_find_opts("memory"),
3160 case QEMU_OPTION_tpmdev
:
3161 if (tpm_config_parse(qemu_find_opts("tpmdev"), optarg
) < 0) {
3166 case QEMU_OPTION_mempath
:
3169 case QEMU_OPTION_mem_prealloc
:
3178 case QEMU_OPTION_DFILTER
:
3179 qemu_set_dfilter_ranges(optarg
, &error_fatal
);
3181 case QEMU_OPTION_seed
:
3182 qemu_guest_random_seed_main(optarg
, &error_fatal
);
3185 add_device_config(DEV_GDB
, "tcp::" DEFAULT_GDBSTUB_PORT
);
3187 case QEMU_OPTION_gdb
:
3188 add_device_config(DEV_GDB
, optarg
);
3191 if (is_help_option(optarg
)) {
3192 list_data_dirs
= true;
3194 qemu_add_data_dir(optarg
);
3197 case QEMU_OPTION_bios
:
3198 qemu_opts_set(qemu_find_opts("machine"), 0, "firmware", optarg
,
3201 case QEMU_OPTION_singlestep
:
3208 keyboard_layout
= optarg
;
3210 case QEMU_OPTION_vga
:
3219 w
= strtol(p
, (char **)&p
, 10);
3222 error_report("invalid resolution or depth");
3228 h
= strtol(p
, (char **)&p
, 10);
3233 depth
= strtol(p
, (char **)&p
, 10);
3234 if (depth
!= 1 && depth
!= 2 && depth
!= 4 &&
3235 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_readconfig
:
3689 int ret
= qemu_read_config_file(optarg
);
3691 error_report("read config %s: %s", optarg
,
3697 case QEMU_OPTION_spice
:
3698 olist
= qemu_find_opts("spice");
3700 error_report("spice support is disabled");
3703 opts
= qemu_opts_parse_noisily(olist
, optarg
, false);
3709 case QEMU_OPTION_writeconfig
:
3712 if (strcmp(optarg
, "-") == 0) {
3715 fp
= fopen(optarg
, "w");
3717 error_report("open %s: %s", optarg
,
3722 qemu_config_write(fp
);
3728 case QEMU_OPTION_qtest
:
3729 qtest_chrdev
= optarg
;
3731 case QEMU_OPTION_qtest_log
:
3734 case QEMU_OPTION_sandbox
:
3735 olist
= qemu_find_opts("sandbox");
3737 #ifndef CONFIG_SECCOMP
3738 error_report("-sandbox support is not enabled "
3739 "in this QEMU binary");
3744 opts
= qemu_opts_parse_noisily(olist
, optarg
, true);
3749 case QEMU_OPTION_add_fd
:
3751 opts
= qemu_opts_parse_noisily(qemu_find_opts("add-fd"),
3757 error_report("File descriptor passing is disabled on this "
3762 case QEMU_OPTION_object
:
3763 opts
= qemu_opts_parse_noisily(qemu_find_opts("object"),
3769 case QEMU_OPTION_realtime
:
3770 warn_report("'-realtime mlock=...' is deprecated, please use "
3771 "'-overcommit mem-lock=...' instead");
3772 opts
= qemu_opts_parse_noisily(qemu_find_opts("realtime"),
3777 /* Don't override the -overcommit option if set */
3778 enable_mlock
= enable_mlock
||
3779 qemu_opt_get_bool(opts
, "mlock", true);
3781 case QEMU_OPTION_overcommit
:
3782 opts
= qemu_opts_parse_noisily(qemu_find_opts("overcommit"),
3787 /* Don't override the -realtime option if set */
3788 enable_mlock
= enable_mlock
||
3789 qemu_opt_get_bool(opts
, "mem-lock", false);
3790 enable_cpu_pm
= qemu_opt_get_bool(opts
, "cpu-pm", false);
3792 case QEMU_OPTION_msg
:
3793 opts
= qemu_opts_parse_noisily(qemu_find_opts("msg"), optarg
,
3798 configure_msg(opts
);
3800 case QEMU_OPTION_dump_vmstate
:
3801 if (vmstate_dump_file
) {
3802 error_report("only one '-dump-vmstate' "
3803 "option may be given");
3806 vmstate_dump_file
= fopen(optarg
, "w");
3807 if (vmstate_dump_file
== NULL
) {
3808 error_report("open %s: %s", optarg
, strerror(errno
));
3812 case QEMU_OPTION_enable_sync_profile
:
3815 case QEMU_OPTION_nouserconfig
:
3816 /* Nothing to be parsed here. Especially, do not error out below. */
3819 if (os_parse_cmd_args(popt
->index
, optarg
)) {
3820 error_report("Option not supported in this build");
3827 * Clear error location left behind by the loop.
3828 * Best done right after the loop. Do not insert code here!
3832 user_register_global_props();
3834 replay_configure(icount_opts
);
3836 if (incoming
&& !preconfig_exit_requested
) {
3837 error_report("'preconfig' and 'incoming' options are "
3838 "mutually exclusive");
3842 configure_rtc(qemu_find_opts_singleton("rtc"));
3844 machine_class
= select_machine();
3845 object_set_machine_compat_props(machine_class
->compat_props
);
3847 set_memory_options(&ram_slots
, &maxram_size
, machine_class
);
3850 rcu_disable_atfork();
3852 if (pid_file
&& !qemu_write_pidfile(pid_file
, &err
)) {
3853 error_reportf_err(err
, "cannot create PID file: ");
3857 qemu_unlink_pidfile_notifier
.notify
= qemu_unlink_pidfile
;
3858 qemu_add_exit_notifier(&qemu_unlink_pidfile_notifier
);
3860 if (qemu_init_main_loop(&main_loop_err
)) {
3861 error_report_err(main_loop_err
);
3865 #ifdef CONFIG_SECCOMP
3866 olist
= qemu_find_opts_err("sandbox", NULL
);
3868 qemu_opts_foreach(olist
, parse_sandbox
, NULL
, &error_fatal
);
3872 qemu_opts_foreach(qemu_find_opts("name"),
3873 parse_name
, NULL
, &error_fatal
);
3876 qemu_opts_foreach(qemu_find_opts("add-fd"),
3877 parse_add_fd
, NULL
, &error_fatal
);
3879 qemu_opts_foreach(qemu_find_opts("add-fd"),
3880 cleanup_add_fd
, NULL
, &error_fatal
);
3883 current_machine
= MACHINE(object_new(object_class_get_name(
3884 OBJECT_CLASS(machine_class
))));
3885 if (machine_help_func(qemu_get_machine_opts(), current_machine
)) {
3888 object_property_add_child(object_get_root(), "machine",
3889 OBJECT(current_machine
), &error_abort
);
3890 object_property_add_child(container_get(OBJECT(current_machine
),
3892 "sysbus", OBJECT(sysbus_get_default()),
3895 if (machine_class
->minimum_page_bits
) {
3896 if (!set_preferred_target_page_bits(machine_class
->minimum_page_bits
)) {
3897 /* This would be a board error: specifying a minimum smaller than
3898 * a target's compile-time fixed setting.
3900 g_assert_not_reached();
3904 cpu_exec_init_all();
3906 if (machine_class
->hw_version
) {
3907 qemu_set_hw_version(machine_class
->hw_version
);
3910 if (cpu_option
&& is_help_option(cpu_option
)) {
3911 list_cpus(cpu_option
);
3915 if (!trace_init_backends()) {
3918 trace_init_file(trace_file
);
3920 /* Open the logfile at this point and set the log mask if necessary.
3923 qemu_set_log_filename(log_file
, &error_fatal
);
3928 mask
= qemu_str_to_log_mask(log_mask
);
3930 qemu_print_log_usage(stdout
);
3938 /* add configured firmware directories */
3939 dirs
= g_strsplit(CONFIG_QEMU_FIRMWAREPATH
, G_SEARCHPATH_SEPARATOR_S
, 0);
3940 for (i
= 0; dirs
[i
] != NULL
; i
++) {
3941 qemu_add_data_dir(dirs
[i
]);
3945 /* try to find datadir relative to the executable path */
3946 dir
= os_find_datadir();
3947 qemu_add_data_dir(dir
);
3950 /* add the datadir specified when building */
3951 qemu_add_data_dir(CONFIG_QEMU_DATADIR
);
3953 /* -L help lists the data directories and exits. */
3954 if (list_data_dirs
) {
3955 for (i
= 0; i
< data_dir_idx
; i
++) {
3956 printf("%s\n", data_dir
[i
]);
3961 /* machine_class: default to UP */
3962 machine_class
->max_cpus
= machine_class
->max_cpus
?: 1;
3963 machine_class
->min_cpus
= machine_class
->min_cpus
?: 1;
3964 machine_class
->default_cpus
= machine_class
->default_cpus
?: 1;
3966 /* default to machine_class->default_cpus */
3967 current_machine
->smp
.cpus
= machine_class
->default_cpus
;
3968 current_machine
->smp
.max_cpus
= machine_class
->default_cpus
;
3969 current_machine
->smp
.cores
= 1;
3970 current_machine
->smp
.threads
= 1;
3972 machine_class
->smp_parse(current_machine
,
3973 qemu_opts_find(qemu_find_opts("smp-opts"), NULL
));
3975 /* sanity-check smp_cpus and max_cpus against machine_class */
3976 if (current_machine
->smp
.cpus
< machine_class
->min_cpus
) {
3977 error_report("Invalid SMP CPUs %d. The min CPUs "
3978 "supported by machine '%s' is %d",
3979 current_machine
->smp
.cpus
,
3980 machine_class
->name
, machine_class
->min_cpus
);
3983 if (current_machine
->smp
.max_cpus
> machine_class
->max_cpus
) {
3984 error_report("Invalid SMP CPUs %d. The max CPUs "
3985 "supported by machine '%s' is %d",
3986 current_machine
->smp
.max_cpus
,
3987 machine_class
->name
, machine_class
->max_cpus
);
3992 * Get the default machine options from the machine if it is not already
3993 * specified either by the configuration file or by the command line.
3995 if (machine_class
->default_machine_opts
) {
3996 qemu_opts_set_defaults(qemu_find_opts("machine"),
3997 machine_class
->default_machine_opts
, 0);
4000 qemu_opts_foreach(qemu_find_opts("device"),
4001 default_driver_check
, NULL
, NULL
);
4002 qemu_opts_foreach(qemu_find_opts("global"),
4003 default_driver_check
, NULL
, NULL
);
4005 if (!vga_model
&& !default_vga
) {
4006 vga_interface_type
= VGA_DEVICE
;
4008 if (!has_defaults
|| machine_class
->no_serial
) {
4011 if (!has_defaults
|| machine_class
->no_parallel
) {
4012 default_parallel
= 0;
4014 if (!has_defaults
|| machine_class
->no_floppy
) {
4017 if (!has_defaults
|| machine_class
->no_cdrom
) {
4020 if (!has_defaults
|| machine_class
->no_sdcard
) {
4023 if (!has_defaults
) {
4024 default_monitor
= 0;
4029 if (is_daemonized()) {
4030 if (!preconfig_exit_requested
) {
4031 error_report("'preconfig' and 'daemonize' options are "
4032 "mutually exclusive");
4036 /* According to documentation and historically, -nographic redirects
4037 * serial port, parallel port and monitor to stdio, which does not work
4038 * with -daemonize. We can redirect these to null instead, but since
4039 * -nographic is legacy, let's just error out.
4040 * We disallow -nographic only if all other ports are not redirected
4041 * explicitly, to not break existing legacy setups which uses
4042 * -nographic _and_ redirects all ports explicitly - this is valid
4043 * usage, -nographic is just a no-op in this case.
4046 && (default_parallel
|| default_serial
|| default_monitor
)) {
4047 error_report("-nographic cannot be used with -daemonize");
4050 #ifdef CONFIG_CURSES
4051 if (dpy
.type
== DISPLAY_TYPE_CURSES
) {
4052 error_report("curses display cannot be used with -daemonize");
4059 if (default_parallel
)
4060 add_device_config(DEV_PARALLEL
, "null");
4061 if (default_serial
&& default_monitor
) {
4062 add_device_config(DEV_SERIAL
, "mon:stdio");
4065 add_device_config(DEV_SERIAL
, "stdio");
4066 if (default_monitor
)
4067 monitor_parse("stdio", "readline", false);
4071 add_device_config(DEV_SERIAL
, "vc:80Cx24C");
4072 if (default_parallel
)
4073 add_device_config(DEV_PARALLEL
, "vc:80Cx24C");
4074 if (default_monitor
)
4075 monitor_parse("vc:80Cx24C", "readline", false);
4078 #if defined(CONFIG_VNC)
4079 if (!QTAILQ_EMPTY(&(qemu_find_opts("vnc")->head
))) {
4083 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
&& !display_remote
) {
4084 if (!qemu_display_find_default(&dpy
)) {
4085 dpy
.type
= DISPLAY_TYPE_NONE
;
4086 #if defined(CONFIG_VNC)
4087 vnc_parse("localhost:0,to=99,id=default", &error_abort
);
4091 if (dpy
.type
== DISPLAY_TYPE_DEFAULT
) {
4092 dpy
.type
= DISPLAY_TYPE_NONE
;
4095 if ((alt_grab
|| ctrl_grab
) && dpy
.type
!= DISPLAY_TYPE_SDL
) {
4096 error_report("-alt-grab and -ctrl-grab are only valid "
4097 "for SDL, ignoring option");
4099 if (dpy
.has_window_close
&&
4100 (dpy
.type
!= DISPLAY_TYPE_GTK
&& dpy
.type
!= DISPLAY_TYPE_SDL
)) {
4101 error_report("-no-quit is only valid for GTK and SDL, "
4105 qemu_display_early_init(&dpy
);
4106 qemu_console_early_init();
4108 if (dpy
.has_gl
&& dpy
.gl
!= DISPLAYGL_MODE_OFF
&& display_opengl
== 0) {
4109 #if defined(CONFIG_OPENGL)
4110 error_report("OpenGL is not supported by the display");
4112 error_report("OpenGL support is disabled");
4120 qemu_opts_foreach(qemu_find_opts("object"),
4121 user_creatable_add_opts_foreach
,
4122 object_create_initial
, &error_fatal
);
4124 qemu_opts_foreach(qemu_find_opts("chardev"),
4125 chardev_init_func
, NULL
, &error_fatal
);
4126 /* now chardevs have been created we may have semihosting to connect */
4127 qemu_semihosting_connect_chardevs();
4129 #ifdef CONFIG_VIRTFS
4130 qemu_opts_foreach(qemu_find_opts("fsdev"),
4131 fsdev_init_func
, NULL
, &error_fatal
);
4134 if (qemu_opts_foreach(qemu_find_opts("device"),
4135 device_help_func
, NULL
, NULL
)) {
4140 * Note: we need to create block backends before
4141 * machine_set_property(), so machine properties can refer to
4144 configure_blockdev(&bdo_queue
, machine_class
, snapshot
);
4146 machine_opts
= qemu_get_machine_opts();
4147 qemu_opt_foreach(machine_opts
, machine_set_property
, current_machine
,
4149 current_machine
->ram_size
= ram_size
;
4150 current_machine
->maxram_size
= maxram_size
;
4151 current_machine
->ram_slots
= ram_slots
;
4154 * Note: uses machine properties such as kernel-irqchip, must run
4155 * after machine_set_property().
4157 configure_accelerator(current_machine
, argv
[0]);
4160 * Beware, QOM objects created before this point miss global and
4161 * compat properties.
4163 * Global properties get set up by qdev_prop_register_global(),
4164 * called from user_register_global_props(), and certain option
4165 * desugaring. Also in CPU feature desugaring (buried in
4166 * parse_cpu_option()), which happens below this point, but may
4167 * only target the CPU type, which can only be created after
4168 * parse_cpu_option() returned the type.
4170 * Machine compat properties: object_set_machine_compat_props().
4171 * Accelerator compat props: object_set_accelerator_compat_props(),
4172 * called from configure_accelerator().
4175 if (!qtest_enabled() && machine_class
->deprecation_reason
) {
4176 error_report("Machine type '%s' is deprecated: %s",
4177 machine_class
->name
, machine_class
->deprecation_reason
);
4181 * Note: creates a QOM object, must run only after global and
4182 * compat properties have been set up.
4184 migration_object_init();
4187 qtest_server_init(qtest_chrdev
, qtest_log
, &error_fatal
);
4190 machine_opts
= qemu_get_machine_opts();
4191 kernel_filename
= qemu_opt_get(machine_opts
, "kernel");
4192 initrd_filename
= qemu_opt_get(machine_opts
, "initrd");
4193 kernel_cmdline
= qemu_opt_get(machine_opts
, "append");
4194 bios_name
= qemu_opt_get(machine_opts
, "firmware");
4196 opts
= qemu_opts_find(qemu_find_opts("boot-opts"), NULL
);
4198 boot_order
= qemu_opt_get(opts
, "order");
4200 validate_bootdevices(boot_order
, &error_fatal
);
4203 boot_once
= qemu_opt_get(opts
, "once");
4205 validate_bootdevices(boot_once
, &error_fatal
);
4208 boot_menu
= qemu_opt_get_bool(opts
, "menu", boot_menu
);
4209 boot_strict
= qemu_opt_get_bool(opts
, "strict", false);
4213 boot_order
= machine_class
->default_boot_order
;
4216 if (!kernel_cmdline
) {
4217 kernel_cmdline
= "";
4218 current_machine
->kernel_cmdline
= (char *)kernel_cmdline
;
4221 linux_boot
= (kernel_filename
!= NULL
);
4223 if (!linux_boot
&& *kernel_cmdline
!= '\0') {
4224 error_report("-append only allowed with -kernel option");
4228 if (!linux_boot
&& initrd_filename
!= NULL
) {
4229 error_report("-initrd only allowed with -kernel option");
4233 if (semihosting_enabled() && !semihosting_get_argc() && kernel_filename
) {
4234 /* fall back to the -kernel/-append */
4235 semihosting_arg_fallback(kernel_filename
, kernel_cmdline
);
4238 /* spice needs the timers to be initialized by this point */
4243 if (!tcg_enabled()) {
4244 error_report("-icount is not allowed with hardware virtualization");
4247 configure_icount(icount_opts
, &error_abort
);
4248 qemu_opts_del(icount_opts
);
4251 if (tcg_enabled()) {
4252 qemu_tcg_configure(accel_opts
, &error_fatal
);
4256 QemuOptsList
*net
= qemu_find_opts("net");
4257 qemu_opts_set(net
, NULL
, "type", "nic", &error_abort
);
4259 qemu_opts_set(net
, NULL
, "type", "user", &error_abort
);
4263 if (net_init_clients(&err
) < 0) {
4264 error_report_err(err
);
4268 qemu_opts_foreach(qemu_find_opts("object"),
4269 user_creatable_add_opts_foreach
,
4270 object_create_delayed
, &error_fatal
);
4274 /* init the bluetooth world */
4275 if (foreach_device_config(DEV_BT
, bt_parse
))
4278 if (!xen_enabled()) {
4279 /* On 32-bit hosts, QEMU is limited by virtual address space */
4280 if (ram_size
> (2047 << 20) && HOST_LONG_BITS
== 32) {
4281 error_report("at most 2047 MB RAM can be simulated");
4288 dirty_bitmap_mig_init();
4290 qemu_opts_foreach(qemu_find_opts("mon"),
4291 mon_init_func
, NULL
, &error_fatal
);
4293 if (foreach_device_config(DEV_SERIAL
, serial_parse
) < 0)
4295 if (foreach_device_config(DEV_PARALLEL
, parallel_parse
) < 0)
4297 if (foreach_device_config(DEV_DEBUGCON
, debugcon_parse
) < 0)
4300 /* If no default VGA is requested, the default is "none". */
4302 vga_model
= get_default_vga_model(machine_class
);
4305 select_vgahw(machine_class
, vga_model
);
4309 i
= select_watchdog(watchdog
);
4311 exit (i
== 1 ? 1 : 0);
4314 /* This checkpoint is required by replay to separate prior clock
4315 reading from the other reads, because timer polling functions query
4316 clock values from the log. */
4317 replay_checkpoint(CHECKPOINT_INIT
);
4318 qdev_machine_init();
4320 current_machine
->boot_order
= boot_order
;
4322 /* parse features once if machine provides default cpu_type */
4323 current_machine
->cpu_type
= machine_class
->default_cpu_type
;
4325 current_machine
->cpu_type
= parse_cpu_option(cpu_option
);
4327 parse_numa_opts(current_machine
);
4329 /* do monitor/qmp handling at preconfig state if requested */
4332 audio_init_audiodevs();
4334 /* from here on runstate is RUN_STATE_PRELAUNCH */
4335 machine_run_board_init(current_machine
);
4341 if (hax_enabled()) {
4345 qemu_opts_foreach(qemu_find_opts("fw_cfg"),
4346 parse_fw_cfg
, fw_cfg_find(), &error_fatal
);
4348 /* init USB devices */
4349 if (machine_usb(current_machine
)) {
4350 if (foreach_device_config(DEV_USB
, usb_parse
) < 0)
4354 /* Check if IGD GFX passthrough. */
4357 /* init generic devices */
4358 rom_set_order_override(FW_CFG_ORDER_OVERRIDE_DEVICE
);
4359 qemu_opts_foreach(qemu_find_opts("device"),
4360 device_init_func
, NULL
, &error_fatal
);
4362 cpu_synchronize_all_post_init();
4364 rom_reset_order_override();
4366 /* Did we create any drives that we failed to create a device for? */
4367 drive_check_orphaned();
4369 /* Don't warn about the default network setup that you get if
4370 * no command line -net or -netdev options are specified. There
4371 * are two cases that we would otherwise complain about:
4372 * (1) board doesn't support a NIC but the implicit "-net nic"
4374 * (2) CONFIG_SLIRP not set, in which case the implicit "-net nic"
4375 * sets up a nic that isn't connected to anything.
4377 if (!default_net
&& (!qtest_enabled() || has_defaults
)) {
4378 net_check_clients();
4382 qemu_boot_set(boot_once
, &error_fatal
);
4383 qemu_register_reset(restore_boot_order
, g_strdup(boot_order
));
4386 /* init local displays */
4387 ds
= init_displaystate();
4388 qemu_display_init(ds
, &dpy
);
4390 /* must be after terminal init, SDL library changes signal handlers */
4391 os_setup_signal_handling();
4393 /* init remote displays */
4395 qemu_opts_foreach(qemu_find_opts("vnc"),
4396 vnc_init_func
, NULL
, &error_fatal
);
4400 qemu_spice_display_init();
4403 if (foreach_device_config(DEV_GDB
, gdbserver_start
) < 0) {
4407 qdev_machine_creation_done();
4409 /* TODO: once all bus devices are qdevified, this should be done
4410 * when bus is created by qdev.c */
4411 qemu_register_reset(qbus_reset_all_fn
, sysbus_get_default());
4412 qemu_run_machine_init_done_notifiers();
4414 if (rom_check_and_register_reset() != 0) {
4415 error_report("rom check and register reset failed");
4421 /* This checkpoint is required by replay to separate prior clock
4422 reading from the other reads, because timer polling functions query
4423 clock values from the log. */
4424 replay_checkpoint(CHECKPOINT_RESET
);
4425 qemu_system_reset(SHUTDOWN_CAUSE_NONE
);
4426 register_global_state();
4428 Error
*local_err
= NULL
;
4429 if (load_snapshot(loadvm
, &local_err
) < 0) {
4430 error_report_err(local_err
);
4435 if (replay_mode
!= REPLAY_MODE_NONE
) {
4436 replay_vmstate_init();
4439 qdev_prop_check_globals();
4440 if (vmstate_dump_file
) {
4442 dump_vmstate_json_to_file(vmstate_dump_file
);
4447 Error
*local_err
= NULL
;
4448 qemu_start_incoming_migration(incoming
, &local_err
);
4450 error_reportf_err(local_err
, "-incoming %s: ", incoming
);
4453 } else if (autostart
) {
4457 accel_setup_post(current_machine
);
4462 gdbserver_cleanup();
4465 * cleaning up the migration object cancels any existing migration
4466 * try to do this early so that it also stops using devices.
4468 migration_shutdown();
4471 * We must cancel all block jobs while the block layer is drained,
4472 * or cancelling will be affected by throttling and thus may block
4473 * for an extended period of time.
4474 * vm_shutdown() will bdrv_drain_all(), so we may as well include
4475 * it in the drained section.
4476 * We do not need to end this section, because we do not want any
4477 * requests happening from here on anyway.
4479 bdrv_drain_all_begin();
4481 /* No more vcpu or device emulation activity beyond this point */
4485 job_cancel_sync_all();
4490 /* vhost-user must be cleaned up before chardevs. */
4496 user_creatable_cleanup();
4497 /* TODO: unref root container, check all devices are ok */